{
  "title": "Pallet Recycling Denominator and Source Audit",
  "creator": "Toledo Dock Door Repair Research",
  "identity": "Toledo Dock Door Repair Research is the independent research and reference section of ToledoDockDoorRepair.com.",
  "release_version": "2026-09-11.2",
  "last_verified": "2026-09-11",
  "originality": "Original source-preserving compilation, scope crosswalk and arithmetic. No original field survey, census, or independently observed national recycling rate.",
  "geographic_scope": "United States; defined Franklin County, Ohio SWACO study streams. Lucas County and statewide Ohio pallet rates are unverified coverage gaps.",
  "verification_legend": {
    "★": "Primary source checked directly; stated arithmetic reproduced. Verification depth is not statistical confidence.",
    "●": "Official source pointer checked, but underlying document could not be verified. No quantitative record uses this tier."
  },
  "missing_data_policy": "Missing is null/blank, never zero. A failed retrieval is not proof a statistic does not exist.",
  "units_policy": "EPA uses thousands of U.S. short tons. SWACO values retained as tons as reported. Counts and masses are not converted or added.",
  "rounding_policy": "Retain input precision. Display calculated percentages to one decimal; full arithmetic in machine-readable output is not extra measurement precision.",
  "coverage_gaps": [
    {
      "geography": "Ohio statewide",
      "metric": "Pallet-specific recycling rate",
      "value": null,
      "status": "Not verified for this edition",
      "notes": "No extrapolation from national, Franklin County, or all-material recycling data."
    },
    {
      "geography": "Lucas County, Ohio",
      "metric": "Pallet-specific recycling rate",
      "value": null,
      "status": "Not verified for this edition",
      "source_id": "S06",
      "notes": "Official approved-plan landing page read; linked plan download not retrieved. No claim about unread plan contents."
    }
  ],
  "limitations": [
    "National counts are expanded survey estimates, not a census.",
    "Annual output is not a tracked unique-pallet cohort.",
    "Industry and landfill studies cover different system boundaries.",
    "Source rounding, nonresponse and expansion choices matter.",
    "No current 2026 pallet recycling measurement is asserted.",
    "No pallet-weight assumption is used.",
    "95.2% SWACO derived ratio has no calculated confidence interval.",
    "No statewide or county recycling ranking is supported."
  ],
  "canonical_url": "https://toledodockdoorrepair.com/research/pallet-recycling-statistics/",
  "publication_status": "Production files prepared; deployment to the website is not asserted.",
  "value_operator_legend": {
    "=": "Numeric value as reported or calculated; this does not imply measurement certainty.",
    "<": "Strict upper bound; not an exact value."
  },
  "record_type_legend": {
    "original_calculation_from_published_estimates": "See the record qualification for estimate, rounding and scope details.",
    "source_reported_estimate": "See the record qualification for estimate, rounding and scope details.",
    "source_reported_sample_count": "Sample count reported in the source, not an expanded population estimate."
  },
  "records": [
    {
      "record_id": "production-2016-new_million",
      "series": "US wooden pallet output",
      "metric": "new_million",
      "value": 513,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2016",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S07",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-new-and-recovered-wood-shipping-platforms-in-the-united-states/",
      "source_locator": "Abstract and conclusions, 2016 production estimates",
      "source_publication_date": "2020-03-06",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort."
    },
    {
      "record_id": "production-2016-repaired_remanufactured_million",
      "series": "US wooden pallet output",
      "metric": "repaired_remanufactured_million",
      "value": 326,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2016",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S07",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-new-and-recovered-wood-shipping-platforms-in-the-united-states/",
      "source_locator": "Abstract and conclusions, 2016 production estimates",
      "source_publication_date": "2020-03-06",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort. Original category: recycled/repaired or remanufactured pallets."
    },
    {
      "record_id": "production-2019-new_million",
      "series": "US wooden pallet output",
      "metric": "new_million",
      "value": 748,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2019",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort."
    },
    {
      "record_id": "production-2019-repaired_remanufactured_million",
      "series": "US wooden pallet output",
      "metric": "repaired_remanufactured_million",
      "value": 223,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2019",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort."
    },
    {
      "record_id": "production-2020-new_million",
      "series": "US wooden pallet output",
      "metric": "new_million",
      "value": 880,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2020",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort."
    },
    {
      "record_id": "production-2020-repaired_remanufactured_million",
      "series": "US wooden pallet output",
      "metric": "repaired_remanufactured_million",
      "value": 237,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2020",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort."
    },
    {
      "record_id": "production-2021-new_million",
      "series": "US wooden pallet output",
      "metric": "new_million",
      "value": 919,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort."
    },
    {
      "record_id": "production-2021-repaired_remanufactured_million",
      "series": "US wooden pallet output",
      "metric": "repaired_remanufactured_million",
      "value": 280,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Annual industry output category; not unique cohort",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Survey-expanded annual estimate, not a census or unique-pallet cohort."
    },
    {
      "record_id": "core-fate-2021-1",
      "series": "Incoming recovered-core pathways",
      "metric": "Reused without repair",
      "value": 5,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Incoming used/broken cores recovered by surveyed industry",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 4, printed p. 3058; accompanying text p. 3057; appendix, Proportion of What Was Done With Received Pallet Cores",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Rounded source shares; the landfill value uses value_operator < to preserve a strict upper bound. Not all pallets manufactured."
    },
    {
      "record_id": "core-fate-2021-2",
      "series": "Incoming recovered-core pathways",
      "metric": "Repaired",
      "value": 78,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Incoming used/broken cores recovered by surveyed industry",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 4, printed p. 3058; accompanying text p. 3057; appendix, Proportion of What Was Done With Received Pallet Cores",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Rounded source shares; the landfill value uses value_operator < to preserve a strict upper bound. Not all pallets manufactured."
    },
    {
      "record_id": "core-fate-2021-3",
      "series": "Incoming recovered-core pathways",
      "metric": "Disassembled for remanufacture",
      "value": 11,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Incoming used/broken cores recovered by surveyed industry",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 4, printed p. 3058; accompanying text p. 3057; appendix, Proportion of What Was Done With Received Pallet Cores",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Rounded source shares; the landfill value uses value_operator < to preserve a strict upper bound. Not all pallets manufactured."
    },
    {
      "record_id": "core-fate-2021-4",
      "series": "Incoming recovered-core pathways",
      "metric": "Ground or chipped",
      "value": 5,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Incoming used/broken cores recovered by surveyed industry",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 4, printed p. 3058; accompanying text p. 3057; appendix, Proportion of What Was Done With Received Pallet Cores",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Rounded source shares; the landfill value uses value_operator < to preserve a strict upper bound. Not all pallets manufactured."
    },
    {
      "record_id": "core-fate-2021-5",
      "series": "Incoming recovered-core pathways",
      "metric": "Landfilled",
      "value": 1,
      "value_operator": "<",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Incoming used/broken cores recovered by surveyed industry",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 4, printed p. 3058; accompanying text p. 3057; appendix, Proportion of What Was Done With Received Pallet Cores",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Rounded source shares; the landfill value uses value_operator < to preserve a strict upper bound. Not all pallets manufactured."
    },
    {
      "record_id": "core-fate-2021-6",
      "series": "Incoming recovered-core pathways",
      "metric": "Other",
      "value": 1,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Incoming used/broken cores recovered by surveyed industry",
      "record_type": "source_reported_estimate",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 4, printed p. 3058; accompanying text p. 3057; appendix, Proportion of What Was Done With Received Pallet Cores",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Rounded source shares; the landfill value uses value_operator < to preserve a strict upper bound. Not all pallets manufactured."
    },
    {
      "record_id": "epa_wood-2010-generated",
      "series": "All wood in MSW",
      "metric": "generated",
      "value": 15710,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2010-recycled",
      "series": "All wood in MSW",
      "metric": "recycled",
      "value": 2280,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2010-energy_recovery",
      "series": "All wood in MSW",
      "metric": "energy_recovery",
      "value": 2310,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2010-landfilled",
      "series": "All wood in MSW",
      "metric": "landfilled",
      "value": 11120,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2015-generated",
      "series": "All wood in MSW",
      "metric": "generated",
      "value": 16300,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2015-recycled",
      "series": "All wood in MSW",
      "metric": "recycled",
      "value": 2660,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2015-energy_recovery",
      "series": "All wood in MSW",
      "metric": "energy_recovery",
      "value": 2570,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2015-landfilled",
      "series": "All wood in MSW",
      "metric": "landfilled",
      "value": 11070,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2017-generated",
      "series": "All wood in MSW",
      "metric": "generated",
      "value": 18200,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2017-recycled",
      "series": "All wood in MSW",
      "metric": "recycled",
      "value": 3030,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2017-energy_recovery",
      "series": "All wood in MSW",
      "metric": "energy_recovery",
      "value": 2880,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2017-landfilled",
      "series": "All wood in MSW",
      "metric": "landfilled",
      "value": 12290,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2018-generated",
      "series": "All wood in MSW",
      "metric": "generated",
      "value": 18090,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2018-recycled",
      "series": "All wood in MSW",
      "metric": "recycled",
      "value": 3100,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2018-energy_recovery",
      "series": "All wood in MSW",
      "metric": "energy_recovery",
      "value": 2840,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_wood-2018-landfilled",
      "series": "All wood in MSW",
      "metric": "landfilled",
      "value": 12150,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "All wood in MSW",
      "record_type": "source_reported_estimate",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2010-generated",
      "series": "Wood containers and packaging",
      "metric": "generated",
      "value": 9770,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2010-recycled",
      "series": "Wood containers and packaging",
      "metric": "recycled",
      "value": 2280,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2010-energy_recovery",
      "series": "Wood containers and packaging",
      "metric": "energy_recovery",
      "value": 1330,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2010-landfilled",
      "series": "Wood containers and packaging",
      "metric": "landfilled",
      "value": 6160,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2015-generated",
      "series": "Wood containers and packaging",
      "metric": "generated",
      "value": 9770,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2015-recycled",
      "series": "Wood containers and packaging",
      "metric": "recycled",
      "value": 2660,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2015-energy_recovery",
      "series": "Wood containers and packaging",
      "metric": "energy_recovery",
      "value": 1390,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2015-landfilled",
      "series": "Wood containers and packaging",
      "metric": "landfilled",
      "value": 5720,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2017-generated",
      "series": "Wood containers and packaging",
      "metric": "generated",
      "value": 11560,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2017-recycled",
      "series": "Wood containers and packaging",
      "metric": "recycled",
      "value": 3030,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2017-energy_recovery",
      "series": "Wood containers and packaging",
      "metric": "energy_recovery",
      "value": 1670,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2017-landfilled",
      "series": "Wood containers and packaging",
      "metric": "landfilled",
      "value": 6860,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2018-generated",
      "series": "Wood containers and packaging",
      "metric": "generated",
      "value": 11530,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2018-recycled",
      "series": "Wood containers and packaging",
      "metric": "recycled",
      "value": 3100,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2018-energy_recovery",
      "series": "Wood containers and packaging",
      "metric": "energy_recovery",
      "value": 1650,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "epa_packaging-2018-landfilled",
      "series": "Wood containers and packaging",
      "metric": "landfilled",
      "value": 6780,
      "value_operator": "=",
      "unit": "thousand_US_short_tons",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "Wood containers and packaging",
      "record_type": "source_reported_estimate",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Not a pallet-only category; do not add these overlapping series."
    },
    {
      "record_id": "landfill-facility-based-msw-landfilled",
      "series": "2021 landfill survey expansion",
      "metric": "landfilled",
      "value": 13415855,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW facilities, Facility-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "landfill-facility-based-msw-recovered",
      "series": "2021 landfill survey expansion",
      "metric": "recovered",
      "value": 18914897,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW facilities, Facility-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "landfill-facility-based-candd-landfilled",
      "series": "2021 landfill survey expansion",
      "metric": "landfilled",
      "value": 26721561,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "C&D facilities, Facility-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "landfill-facility-based-candd-recovered",
      "series": "2021 landfill survey expansion",
      "metric": "recovered",
      "value": 17789318,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "C&D facilities, Facility-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "landfill-population-based-msw-landfilled",
      "series": "2021 landfill survey expansion",
      "metric": "landfilled",
      "value": 8533761,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW facilities, Population-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "landfill-population-based-msw-recovered",
      "series": "2021 landfill survey expansion",
      "metric": "recovered",
      "value": 13031421,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW facilities, Population-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "landfill-population-based-candd-landfilled",
      "series": "2021 landfill survey expansion",
      "metric": "landfilled",
      "value": 11345002,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "C&D facilities, Population-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "landfill-population-based-candd-recovered",
      "series": "2021 landfill survey expansion",
      "metric": "recovered",
      "value": 7911971,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "C&D facilities, Population-based expansion",
      "record_type": "source_reported_estimate",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Method scenarios are not confidence bounds. C&D source survey includes pallet/crate grouping in some inputs."
    },
    {
      "record_id": "swaco-overall-pallet_tons",
      "series": "SWACO pallet disposal composition",
      "metric": "pallet_tons",
      "value": 47082,
      "value_operator": "=",
      "unit": "tons_as_reported",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Overall disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 18",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-overall-pallet_share_pct",
      "series": "SWACO pallet disposal composition",
      "metric": "pallet_share_pct",
      "value": 4.1,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Overall disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 18",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-overall-ci90_halfwidth_pp",
      "series": "SWACO pallet disposal composition",
      "metric": "ci90_halfwidth_pp",
      "value": 1.5,
      "value_operator": "=",
      "unit": "percentage_points",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Overall disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 18",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-overall-stream_tons",
      "series": "SWACO pallet disposal composition",
      "metric": "stream_tons",
      "value": 1149278,
      "value_operator": "=",
      "unit": "tons_as_reported",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Overall disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 18",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-overall-samples",
      "series": "SWACO pallet disposal composition",
      "metric": "samples",
      "value": 180,
      "value_operator": "=",
      "unit": "samples",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Overall disposed waste stream",
      "record_type": "source_reported_sample_count",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 18",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-commercial-pallet_tons",
      "series": "SWACO pallet disposal composition",
      "metric": "pallet_tons",
      "value": 44810,
      "value_operator": "=",
      "unit": "tons_as_reported",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Commercial disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 19",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-commercial-pallet_share_pct",
      "series": "SWACO pallet disposal composition",
      "metric": "pallet_share_pct",
      "value": 6.5,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Commercial disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 19",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-commercial-ci90_halfwidth_pp",
      "series": "SWACO pallet disposal composition",
      "metric": "ci90_halfwidth_pp",
      "value": 2.5,
      "value_operator": "=",
      "unit": "percentage_points",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Commercial disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 19",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-commercial-stream_tons",
      "series": "SWACO pallet disposal composition",
      "metric": "stream_tons",
      "value": 691378,
      "value_operator": "=",
      "unit": "tons_as_reported",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Commercial disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 19",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-commercial-samples",
      "series": "SWACO pallet disposal composition",
      "metric": "samples",
      "value": 100,
      "value_operator": "=",
      "unit": "samples",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Commercial disposed waste stream",
      "record_type": "source_reported_sample_count",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 19",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-residential-pallet_tons",
      "series": "SWACO pallet disposal composition",
      "metric": "pallet_tons",
      "value": 2272,
      "value_operator": "=",
      "unit": "tons_as_reported",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Residential disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 20",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-residential-pallet_share_pct",
      "series": "SWACO pallet disposal composition",
      "metric": "pallet_share_pct",
      "value": 0.5,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Residential disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 20",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-residential-ci90_halfwidth_pp",
      "series": "SWACO pallet disposal composition",
      "metric": "ci90_halfwidth_pp",
      "value": 0.4,
      "value_operator": "=",
      "unit": "percentage_points",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Residential disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 20",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-residential-stream_tons",
      "series": "SWACO pallet disposal composition",
      "metric": "stream_tons",
      "value": 457900,
      "value_operator": "=",
      "unit": "tons_as_reported",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Residential disposed waste stream",
      "record_type": "source_reported_estimate",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 20",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "swaco-residential-samples",
      "series": "SWACO pallet disposal composition",
      "metric": "samples",
      "value": 80,
      "value_operator": "=",
      "unit": "samples",
      "observation_period": "2018-19 sampling; 2018 annual tonnage basis",
      "geography": "Franklin County, Ohio (defined SWACO streams)",
      "population_or_denominator": "Residential disposed waste stream",
      "record_type": "source_reported_sample_count",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 20",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "",
      "input_record_ids": "",
      "qualification": "Untreated whole/broken wood pallets. CI half-width applies to estimated material share only, not the derived commercial ratio. No metric/short-ton conversion assumed."
    },
    {
      "record_id": "output-combined-2016",
      "series": "Derived cross-source reference",
      "metric": "Combined new plus repaired/remanufactured annual output",
      "value": 839,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2016",
      "geography": "United States",
      "population_or_denominator": "Annual new plus repaired/remanufactured output categories",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S07",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-new-and-recovered-wood-shipping-platforms-in-the-united-states/",
      "source_locator": "Abstract and conclusions, 2016 production estimates",
      "source_publication_date": "2020-03-06",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "513 + 326",
      "input_record_ids": "production-2016-new_million;production-2016-repaired_remanufactured_million",
      "qualification": "Sum of rounded survey-expanded estimates, not distinct pallets over their service lives. The 2016 used category follows its original source label."
    },
    {
      "record_id": "output-share-2016",
      "series": "Derived cross-source reference",
      "metric": "Repair/remanufacturing share of new plus used output",
      "value": 38.85578069129917,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2016",
      "geography": "United States",
      "population_or_denominator": "Estimated annual new plus repaired/remanufactured output",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S07",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-new-and-recovered-wood-shipping-platforms-in-the-united-states/",
      "source_locator": "Abstract and conclusions, 2016 production estimates",
      "source_publication_date": "2020-03-06",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 326 / 839",
      "input_record_ids": "production-2016-repaired_remanufactured_million;output-combined-2016",
      "qualification": "Output-category share, not an end-of-life recycling rate. The 2016 used category is recycled/repaired or remanufactured."
    },
    {
      "record_id": "output-combined-2019",
      "series": "Derived cross-source reference",
      "metric": "Combined new plus repaired/remanufactured annual output",
      "value": 971,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2019",
      "geography": "United States",
      "population_or_denominator": "Annual new plus repaired/remanufactured output categories",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "748 + 223",
      "input_record_ids": "production-2019-new_million;production-2019-repaired_remanufactured_million",
      "qualification": "Sum of rounded survey-expanded estimates, not distinct pallets over their service lives. The 2016 used category follows its original source label."
    },
    {
      "record_id": "output-share-2019",
      "series": "Derived cross-source reference",
      "metric": "Repair/remanufacturing share of new plus used output",
      "value": 22.966014418125642,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2019",
      "geography": "United States",
      "population_or_denominator": "Estimated annual new plus repaired/remanufactured output",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 223 / 971",
      "input_record_ids": "production-2019-repaired_remanufactured_million;output-combined-2019",
      "qualification": "Output-category share, not an end-of-life recycling rate. The 2016 used category is recycled/repaired or remanufactured."
    },
    {
      "record_id": "output-combined-2020",
      "series": "Derived cross-source reference",
      "metric": "Combined new plus repaired/remanufactured annual output",
      "value": 1117,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2020",
      "geography": "United States",
      "population_or_denominator": "Annual new plus repaired/remanufactured output categories",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "880 + 237",
      "input_record_ids": "production-2020-new_million;production-2020-repaired_remanufactured_million",
      "qualification": "Sum of rounded survey-expanded estimates, not distinct pallets over their service lives. The 2016 used category follows its original source label."
    },
    {
      "record_id": "output-share-2020",
      "series": "Derived cross-source reference",
      "metric": "Repair/remanufacturing share of new plus used output",
      "value": 21.217547000895255,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2020",
      "geography": "United States",
      "population_or_denominator": "Estimated annual new plus repaired/remanufactured output",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 237 / 1117",
      "input_record_ids": "production-2020-repaired_remanufactured_million;output-combined-2020",
      "qualification": "Output-category share, not an end-of-life recycling rate. The 2016 used category is recycled/repaired or remanufactured."
    },
    {
      "record_id": "output-combined-2021",
      "series": "Derived cross-source reference",
      "metric": "Combined new plus repaired/remanufactured annual output",
      "value": 1199,
      "value_operator": "=",
      "unit": "million_pallets",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Annual new plus repaired/remanufactured output categories",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "919 + 280",
      "input_record_ids": "production-2021-new_million;production-2021-repaired_remanufactured_million",
      "qualification": "Sum of rounded survey-expanded estimates, not distinct pallets over their service lives. The 2016 used category follows its original source label."
    },
    {
      "record_id": "output-share-2021",
      "series": "Derived cross-source reference",
      "metric": "Repair/remanufacturing share of new plus used output",
      "value": 23.352793994995828,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Estimated annual new plus repaired/remanufactured output",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 2, printed p. 3054",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 280 / 1199",
      "input_record_ids": "production-2021-repaired_remanufactured_million;output-combined-2021",
      "qualification": "Output-category share, not an end-of-life recycling rate. The 2016 used category is recycled/repaired or remanufactured."
    },
    {
      "record_id": "core-retained-pathways-2021",
      "series": "Derived cross-source reference",
      "metric": "Reused, repaired or disassembled for remanufacture share of incoming cores",
      "value": 94,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "United States",
      "population_or_denominator": "Incoming recovered pallet cores represented in the source responses",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Table 4, printed p. 3058; accompanying text p. 3057; appendix, Proportion of What Was Done With Received Pallet Cores",
      "source_publication_date": "2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "5 + 78 + 11",
      "input_record_ids": "core-fate-2021-1;core-fate-2021-2;core-fate-2021-3",
      "qualification": "Approximate sum of rounded source percentages, not an all-pallet recycling rate or proof every component was reused."
    },
    {
      "record_id": "epa-wood-rate-2010",
      "series": "Derived cross-source reference",
      "metric": "All wood in MSW recycling share by weight",
      "value": 14.513049013367281,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: All wood in MSW",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 2280 / 15710",
      "input_record_ids": "epa_wood-2010-recycled;epa_wood-2010-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "epa-wood-rate-2015",
      "series": "Derived cross-source reference",
      "metric": "All wood in MSW recycling share by weight",
      "value": 16.319018404907975,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: All wood in MSW",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 2660 / 16300",
      "input_record_ids": "epa_wood-2015-recycled;epa_wood-2015-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "epa-wood-rate-2017",
      "series": "Derived cross-source reference",
      "metric": "All wood in MSW recycling share by weight",
      "value": 16.64835164835165,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: All wood in MSW",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 3030 / 18200",
      "input_record_ids": "epa_wood-2017-recycled;epa_wood-2017-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "epa-wood-rate-2018",
      "series": "Derived cross-source reference",
      "metric": "All wood in MSW recycling share by weight",
      "value": 17.136539524599225,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: All wood in MSW",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S03",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 3100 / 18090",
      "input_record_ids": "epa_wood-2018-recycled;epa_wood-2018-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "epa-packaging-rate-2010",
      "series": "Derived cross-source reference",
      "metric": "Wood containers and packaging recycling share by weight",
      "value": 23.336745138178095,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2010",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: Wood containers and packaging",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 2280 / 9770",
      "input_record_ids": "epa_packaging-2010-recycled;epa_packaging-2010-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "epa-packaging-rate-2015",
      "series": "Derived cross-source reference",
      "metric": "Wood containers and packaging recycling share by weight",
      "value": 27.22620266120778,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2015",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: Wood containers and packaging",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 2660 / 9770",
      "input_record_ids": "epa_packaging-2015-recycled;epa_packaging-2015-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "epa-packaging-rate-2017",
      "series": "Derived cross-source reference",
      "metric": "Wood containers and packaging recycling share by weight",
      "value": 26.21107266435986,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2017",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: Wood containers and packaging",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 3030 / 11560",
      "input_record_ids": "epa_packaging-2017-recycled;epa_packaging-2017-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "epa-packaging-rate-2018",
      "series": "Derived cross-source reference",
      "metric": "Wood containers and packaging recycling share by weight",
      "value": 26.886383347788378,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2018",
      "geography": "United States",
      "population_or_denominator": "Generated waste mass in EPA category: Wood containers and packaging",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S04",
      "source_url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "source_locator": "Historical generation and management table",
      "source_publication_date": "",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 3100 / 11530",
      "input_record_ids": "epa_packaging-2018-recycled;epa_packaging-2018-generated",
      "qualification": "Calculated from thousands of U.S. short tons. Category is not pallet-only. Energy recovery excluded from recycled numerator."
    },
    {
      "record_id": "landfill-facility-based-landfilled-2021",
      "series": "Derived cross-source reference",
      "metric": "Facility-based combined MSW and C&D landfilled",
      "value": 40137416,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW and C&D facility estimates under the same expansion method",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "13415855 + 26721561",
      "input_record_ids": "landfill-facility-based-msw-landfilled;landfill-facility-based-candd-landfilled",
      "qualification": "Alternative survey expansion, not a confidence limit. C&D inputs include pallets and crates; retain source estimates without census-level precision."
    },
    {
      "record_id": "landfill-facility-based-recovered-2021",
      "series": "Derived cross-source reference",
      "metric": "Facility-based combined MSW and C&D recovered",
      "value": 36704215,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW and C&D facility estimates under the same expansion method",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "18914897 + 17789318",
      "input_record_ids": "landfill-facility-based-msw-recovered;landfill-facility-based-candd-recovered",
      "qualification": "Alternative survey expansion, not a confidence limit. C&D inputs include pallets and crates; retain source estimates without census-level precision."
    },
    {
      "record_id": "landfill-facility-based-received-2021",
      "series": "Derived cross-source reference",
      "metric": "Facility-based sum of recovered and landfilled estimates",
      "value": 76841631,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "Same-method recovered plus landfilled estimates",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "40137416 + 36704215",
      "input_record_ids": "landfill-facility-based-landfilled-2021;landfill-facility-based-recovered-2021",
      "qualification": "Sum of published table estimates, not an independently observed total. The facility-based table sum conflicts with nearby 60.8-million prose."
    },
    {
      "record_id": "landfill-facility-based-recovery-share-2021",
      "series": "Derived cross-source reference",
      "metric": "Facility-based recovery share of recovered plus landfilled estimates",
      "value": 47.766054054734994,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "Same-method recovered plus landfilled estimates",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 23",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 36704215 / 76841631",
      "input_record_ids": "landfill-facility-based-recovered-2021;landfill-facility-based-received-2021",
      "qualification": "Conditional disposal-facility flow ratio, not all-industry recycling. Alternative methods are not confidence bounds; C&D inputs include pallets/crates."
    },
    {
      "record_id": "landfill-population-based-landfilled-2021",
      "series": "Derived cross-source reference",
      "metric": "Population-based combined MSW and C&D landfilled",
      "value": 19878763,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW and C&D facility estimates under the same expansion method",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "8533761 + 11345002",
      "input_record_ids": "landfill-population-based-msw-landfilled;landfill-population-based-candd-landfilled",
      "qualification": "Alternative survey expansion, not a confidence limit. C&D inputs include pallets and crates; retain source estimates without census-level precision."
    },
    {
      "record_id": "landfill-population-based-recovered-2021",
      "series": "Derived cross-source reference",
      "metric": "Population-based combined MSW and C&D recovered",
      "value": 20943392,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "MSW and C&D facility estimates under the same expansion method",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "13031421 + 7911971",
      "input_record_ids": "landfill-population-based-msw-recovered;landfill-population-based-candd-recovered",
      "qualification": "Alternative survey expansion, not a confidence limit. C&D inputs include pallets and crates; retain source estimates without census-level precision."
    },
    {
      "record_id": "landfill-population-based-received-2021",
      "series": "Derived cross-source reference",
      "metric": "Population-based sum of recovered and landfilled estimates",
      "value": 40822155,
      "value_operator": "=",
      "unit": "estimated_pallets",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "Same-method recovered plus landfilled estimates",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "19878763 + 20943392",
      "input_record_ids": "landfill-population-based-landfilled-2021;landfill-population-based-recovered-2021",
      "qualification": "Sum of published table estimates, not an independently observed total. The facility-based table sum conflicts with nearby 60.8-million prose."
    },
    {
      "record_id": "landfill-population-based-recovery-share-2021",
      "series": "Derived cross-source reference",
      "metric": "Population-based recovery share of recovered plus landfilled estimates",
      "value": 51.30398431929917,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2021",
      "geography": "Continental United States survey scope; national expansion as reported",
      "population_or_denominator": "Same-method recovered plus landfilled estimates",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S02",
      "source_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "source_locator": "Table 24",
      "source_publication_date": "2024-05-07",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 20943392 / 40822155",
      "input_record_ids": "landfill-population-based-recovered-2021;landfill-population-based-received-2021",
      "qualification": "Conditional disposal-facility flow ratio, not all-industry recycling. Alternative methods are not confidence bounds; C&D inputs include pallets/crates."
    },
    {
      "record_id": "swaco-commercial-share-2018-19",
      "series": "Derived cross-source reference",
      "metric": "Commercial share of SWACO study-estimated pallet disposal tonnage",
      "value": 95.17437661951489,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2018–19 sampling; calendar-year 2018 annual-tonnage basis",
      "geography": "Franklin County, Ohio; defined SWACO commercial and residential disposal streams",
      "population_or_denominator": "Overall pallet-disposal tonnage in the defined SWACO study streams",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S05",
      "source_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "source_locator": "Table 19; Table 18",
      "source_publication_date": "2019-11",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * 44810 / 47082",
      "input_record_ids": "swaco-commercial-pallet_tons;swaco-overall-pallet_tons",
      "qualification": "Ratio of point estimates, with no calculated confidence interval for the ratio. Not an Ohio statewide or Lucas County recycling rate."
    },
    {
      "record_id": "change-2016-2021-new_million",
      "series": "Derived cross-source reference",
      "metric": "New output percentage change from published rounded table inputs",
      "value": 79.14230019493178,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2016 to 2021",
      "geography": "United States",
      "population_or_denominator": "2016 output estimate as percentage-change base",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S07;S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-new-and-recovered-wood-shipping-platforms-in-the-united-states/ | https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Abstract and conclusions, 2016 production estimates; Table 2, printed p. 3054",
      "source_publication_date": "2020-03-06; 2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * (919 - 513) / 513",
      "input_record_ids": "production-2016-new_million;production-2021-new_million",
      "qualification": "Our arithmetic, not an author-issued correction. Source narrative percentages differ. Survey estimates do not follow an unchanged panel of firms."
    },
    {
      "record_id": "change-2016-2021-repaired_remanufactured_million",
      "series": "Derived cross-source reference",
      "metric": "Repaired/remanufactured output percentage change from published rounded table inputs",
      "value": -14.110429447852761,
      "value_operator": "=",
      "unit": "percent",
      "observation_period": "2016 to 2021",
      "geography": "United States",
      "population_or_denominator": "2016 output estimate as percentage-change base",
      "record_type": "original_calculation_from_published_estimates",
      "source_ids": "S07;S01",
      "source_url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-new-and-recovered-wood-shipping-platforms-in-the-united-states/ | https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "source_locator": "Abstract and conclusions, 2016 production estimates; Table 2, printed p. 3054",
      "source_publication_date": "2020-03-06; 2025-03-05",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "formula": "100 * (280 - 326) / 326",
      "input_record_ids": "production-2016-repaired_remanufactured_million;production-2021-repaired_remanufactured_million",
      "qualification": "Our arithmetic, not an author-issued correction. Source narrative percentages differ. Survey estimates do not follow an unchanged panel of firms."
    }
  ],
  "sources": [
    {
      "id": "S01",
      "author": "Sean Hobbs; Laszlo Horvath; Brad Gething",
      "title": "Investigation of the status of the wooden pallet market during the COVD-19 pandemic",
      "publisher": "BioResources / North Carolina State University",
      "publication_date": "2025-03-05",
      "observation_period": "2019-2021; historical comparison 2016",
      "url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-the-status-of-the-wooden-pallet-market-during-the-covd-19-pandemic/",
      "pdf_url": "https://bioresources.cnr.ncsu.edu/wp-content/uploads/2025/03/BioRes_20_2_3047_Hobbs_HG_Investig_Wooden_Pallet_Market_during_Covid_19_24072.pdf",
      "locator": "Table 2, printed p. 3054; Table 4, p. 3058; Respondents; Summary and Conclusions item 1, p. 3066; data-manipulation appendix.",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Peer-reviewed survey expansion estimates. Published table inputs retained; inconsistent abstract changes and the 1.18-billion summary total are disclosed. Publisher title spelling retained.",
      "page_reference_number": 1
    },
    {
      "id": "S07",
      "author": "Nathan Gerber; Laszlo Horvath; Philip Araman; Brad Gething",
      "title": "Investigation of new and recovered wood shipping platforms in the United States",
      "publisher": "BioResources / North Carolina State University",
      "publication_date": "2020-03-06",
      "observation_period": "2016",
      "url": "https://bioresources.cnr.ncsu.edu/resources/investigation-of-new-and-recovered-wood-shipping-platforms-in-the-united-states/",
      "pdf_url": "",
      "locator": "Abstract; Pallet Production; conclusion 1",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Primary source for the 2016 baseline: 513 million new, 326 million recycled/repaired or remanufactured; preserves source category label.",
      "page_reference_number": 2
    },
    {
      "id": "S02",
      "author": "Yash Mansharamani",
      "title": "Investigation into the Landfilling and Recovery of Wood and Wooden Pallets at U.S. Landfills in 2021",
      "publisher": "Virginia Tech; Master of Science thesis",
      "publication_date": "2024-05-07",
      "observation_period": "2021",
      "url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "pdf_url": "https://vtechworks.lib.vt.edu/server/api/core/bitstreams/1f33b547-77f3-4695-b935-052c6d10b11d/content",
      "locator": "Tables 23–24, printed p. 52; methods and response rates pp. 24–25; conclusions and future research pp. 54–56; C&D questionnaire pp. 79–80.",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Graduate thesis, not a peer-reviewed journal article. Two separate expansion methods. C&D questionnaire groups pallets/crates in some inputs. Table sums differ from nearby 60.8 million narrative; counts retained with discrepancy disclosed.",
      "page_reference_number": 3
    },
    {
      "id": "S04",
      "author": "U.S. Environmental Protection Agency",
      "title": "Containers and Packaging: Product-Specific Data",
      "publisher": "U.S. EPA",
      "publication_date": "",
      "observation_period": "2010, 2015, 2017, 2018 selected from historical table",
      "url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/containers-and-packaging-product-specific",
      "pdf_url": "",
      "locator": "Wood Containers and Packaging section; 1960–2018 generation/management table; selected columns 2010, 2015, 2017, 2018.",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Wood packaging, primarily pallets and also crates; not pallet-only. Thousands of U.S. short tons. Energy recovery is separate from recycling.",
      "page_reference_number": 4
    },
    {
      "id": "S03",
      "author": "U.S. Environmental Protection Agency",
      "title": "Wood: Material-Specific Data",
      "publisher": "U.S. EPA",
      "publication_date": "",
      "observation_period": "2010, 2015, 2017, 2018 selected from historical table",
      "url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/wood-material-specific-data",
      "pdf_url": "",
      "locator": "1960–2018 Data on Wood in MSW by Weight; selected columns 2010, 2015, 2017, 2018.",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Live agency reference; observation years retained separately from verification. Thousands of U.S. short tons; all-wood MSW denominator, not pallet-only.",
      "page_reference_number": 5
    },
    {
      "id": "S05",
      "author": "Cascadia Consulting Group; MSW Consultants; commissioned by SWACO",
      "title": "SWACO 2018–19 Waste Characterization Study: Final Report",
      "publisher": "Solid Waste Authority of Central Ohio",
      "publication_date": "2019-11",
      "observation_period": "Field sampling November 2018-August 2019; annual expansion based on calendar-year 2018 tonnage",
      "url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "pdf_url": "https://www.swaco.org/wp-content/uploads/2026/04/SWACO-WCS_Final-Report_2018-19.pdf",
      "locator": "Tables 18-20, printed pages 50-52; PDF pages 49-51. Appendix C, printed page 44, identifies 2018 tonnage. Material definition #57 in Appendix A.",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Franklin County waste in defined SWACO commercial and residential streams; excludes self-haul, special waste and construction/demolition-site loads. Tons as reported; no metric/short-ton conversion assumed. Untreated wood pallets, whole and broken. PDF upload directory does not date observations.",
      "page_reference_number": 6
    },
    {
      "id": "S10",
      "author": "Pallet Foundation",
      "title": "Study Shows 95% of Wooden Pallets Are Recycled",
      "publisher": "Pallet Foundation",
      "publication_date": "2018-03-29",
      "observation_period": "Historical study announcement; not 2026 observations",
      "url": "https://palletfoundation.org/study-shows-95-of-wooden-pallets-are-recycled/",
      "pdf_url": "",
      "locator": "Headline and announcement",
      "verified_date": "2026-09-11",
      "verification_tier": "★ for what announcement claims",
      "notes": "Included to document provenance of widely repeated headline, not to validate a current national cohort recycling rate.",
      "page_reference_number": 7
    },
    {
      "id": "S08",
      "author": "U.S. Environmental Protection Agency",
      "title": "Advancing Sustainable Materials Management: Facts and Figures Report",
      "publisher": "U.S. EPA",
      "publication_date": "",
      "observation_period": "Latest fact sheet identified on agency page: released 2020, data 2018",
      "url": "https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/advancing-sustainable-materials-management",
      "pdf_url": "",
      "locator": "Facts and Figures overview and units note",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Confirms data vintage and U.S. short-ton convention; no implication of 2026 waste measurement.",
      "page_reference_number": 8
    },
    {
      "id": "S09",
      "author": "Virginia Tech Center for Packaging and Unit Load Design",
      "title": "Research Update: New grant from The Pallet Foundation and NWPCA for a pallet market research study",
      "publisher": "Virginia Tech",
      "publication_date": "2022",
      "observation_period": "Study funding disclosure",
      "url": "https://www.unitload.vt.edu/about-us/media-center/cpuld-news/9-8-cpuld-news-spring-summer-2022/ru-new-grant-from-pallet-foundation-for-sean-hobbs-pallet-market-study.html",
      "pdf_url": "",
      "locator": "Research funding announcement",
      "verified_date": "2026-09-11",
      "verification_tier": "★",
      "notes": "Disclose industry funding of source research. Compilation is not a new university study.",
      "page_reference_number": 9
    },
    {
      "id": "S06",
      "author": "Lucas County",
      "title": "Solid Waste Management Plan Update",
      "publisher": "Lucas County, Ohio",
      "publication_date": "",
      "observation_period": "Landing page lists Approved 2024 Plan Update",
      "url": "https://www.co.lucas.oh.us/2193/Solid-Waste-Management-Plan-Update",
      "pdf_url": "",
      "locator": "Approved 2024 Plan Update link on official landing page",
      "verified_date": "2026-09-11",
      "verification_tier": "●",
      "notes": "Official landing page and Approved 2024 Plan Update pointer checked. Linked plan request failed on 2026-09-11. No assertion about unread plan contents; no local quantitative estimate.",
      "page_reference_number": 10
    }
  ],
  "calculation_definitions": [
    {
      "record_id": "output-combined-2016",
      "operation": "sum",
      "input_record_ids": [
        "production-2016-new_million",
        "production-2016-repaired_remanufactured_million"
      ],
      "formula": "513 + 326",
      "value": 839,
      "display_value": 839,
      "unit": "million_pallets"
    },
    {
      "record_id": "output-share-2016",
      "operation": "share_percent",
      "input_record_ids": [
        "production-2016-repaired_remanufactured_million",
        "output-combined-2016"
      ],
      "formula": "100 * 326 / 839",
      "value": 38.85578069129917,
      "display_value": 38.9,
      "unit": "percent"
    },
    {
      "record_id": "output-combined-2019",
      "operation": "sum",
      "input_record_ids": [
        "production-2019-new_million",
        "production-2019-repaired_remanufactured_million"
      ],
      "formula": "748 + 223",
      "value": 971,
      "display_value": 971,
      "unit": "million_pallets"
    },
    {
      "record_id": "output-share-2019",
      "operation": "share_percent",
      "input_record_ids": [
        "production-2019-repaired_remanufactured_million",
        "output-combined-2019"
      ],
      "formula": "100 * 223 / 971",
      "value": 22.966014418125642,
      "display_value": 23.0,
      "unit": "percent"
    },
    {
      "record_id": "output-combined-2020",
      "operation": "sum",
      "input_record_ids": [
        "production-2020-new_million",
        "production-2020-repaired_remanufactured_million"
      ],
      "formula": "880 + 237",
      "value": 1117,
      "display_value": 1117,
      "unit": "million_pallets"
    },
    {
      "record_id": "output-share-2020",
      "operation": "share_percent",
      "input_record_ids": [
        "production-2020-repaired_remanufactured_million",
        "output-combined-2020"
      ],
      "formula": "100 * 237 / 1117",
      "value": 21.217547000895255,
      "display_value": 21.2,
      "unit": "percent"
    },
    {
      "record_id": "output-combined-2021",
      "operation": "sum",
      "input_record_ids": [
        "production-2021-new_million",
        "production-2021-repaired_remanufactured_million"
      ],
      "formula": "919 + 280",
      "value": 1199,
      "display_value": 1199,
      "unit": "million_pallets"
    },
    {
      "record_id": "output-share-2021",
      "operation": "share_percent",
      "input_record_ids": [
        "production-2021-repaired_remanufactured_million",
        "output-combined-2021"
      ],
      "formula": "100 * 280 / 1199",
      "value": 23.352793994995828,
      "display_value": 23.4,
      "unit": "percent"
    },
    {
      "record_id": "core-retained-pathways-2021",
      "operation": "sum",
      "input_record_ids": [
        "core-fate-2021-1",
        "core-fate-2021-2",
        "core-fate-2021-3"
      ],
      "formula": "5 + 78 + 11",
      "value": 94,
      "display_value": 94,
      "unit": "percent"
    },
    {
      "record_id": "epa-wood-rate-2010",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_wood-2010-recycled",
        "epa_wood-2010-generated"
      ],
      "formula": "100 * 2280 / 15710",
      "value": 14.513049013367281,
      "display_value": 14.5,
      "unit": "percent"
    },
    {
      "record_id": "epa-wood-rate-2015",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_wood-2015-recycled",
        "epa_wood-2015-generated"
      ],
      "formula": "100 * 2660 / 16300",
      "value": 16.319018404907975,
      "display_value": 16.3,
      "unit": "percent"
    },
    {
      "record_id": "epa-wood-rate-2017",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_wood-2017-recycled",
        "epa_wood-2017-generated"
      ],
      "formula": "100 * 3030 / 18200",
      "value": 16.64835164835165,
      "display_value": 16.6,
      "unit": "percent"
    },
    {
      "record_id": "epa-wood-rate-2018",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_wood-2018-recycled",
        "epa_wood-2018-generated"
      ],
      "formula": "100 * 3100 / 18090",
      "value": 17.136539524599225,
      "display_value": 17.1,
      "unit": "percent"
    },
    {
      "record_id": "epa-packaging-rate-2010",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_packaging-2010-recycled",
        "epa_packaging-2010-generated"
      ],
      "formula": "100 * 2280 / 9770",
      "value": 23.336745138178095,
      "display_value": 23.3,
      "unit": "percent"
    },
    {
      "record_id": "epa-packaging-rate-2015",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_packaging-2015-recycled",
        "epa_packaging-2015-generated"
      ],
      "formula": "100 * 2660 / 9770",
      "value": 27.22620266120778,
      "display_value": 27.2,
      "unit": "percent"
    },
    {
      "record_id": "epa-packaging-rate-2017",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_packaging-2017-recycled",
        "epa_packaging-2017-generated"
      ],
      "formula": "100 * 3030 / 11560",
      "value": 26.21107266435986,
      "display_value": 26.2,
      "unit": "percent"
    },
    {
      "record_id": "epa-packaging-rate-2018",
      "operation": "share_percent",
      "input_record_ids": [
        "epa_packaging-2018-recycled",
        "epa_packaging-2018-generated"
      ],
      "formula": "100 * 3100 / 11530",
      "value": 26.886383347788378,
      "display_value": 26.9,
      "unit": "percent"
    },
    {
      "record_id": "landfill-facility-based-landfilled-2021",
      "operation": "sum",
      "input_record_ids": [
        "landfill-facility-based-msw-landfilled",
        "landfill-facility-based-candd-landfilled"
      ],
      "formula": "13415855 + 26721561",
      "value": 40137416,
      "display_value": 40137416,
      "unit": "estimated_pallets"
    },
    {
      "record_id": "landfill-facility-based-recovered-2021",
      "operation": "sum",
      "input_record_ids": [
        "landfill-facility-based-msw-recovered",
        "landfill-facility-based-candd-recovered"
      ],
      "formula": "18914897 + 17789318",
      "value": 36704215,
      "display_value": 36704215,
      "unit": "estimated_pallets"
    },
    {
      "record_id": "landfill-facility-based-received-2021",
      "operation": "sum",
      "input_record_ids": [
        "landfill-facility-based-landfilled-2021",
        "landfill-facility-based-recovered-2021"
      ],
      "formula": "40137416 + 36704215",
      "value": 76841631,
      "display_value": 76841631,
      "unit": "estimated_pallets"
    },
    {
      "record_id": "landfill-facility-based-recovery-share-2021",
      "operation": "share_percent",
      "input_record_ids": [
        "landfill-facility-based-recovered-2021",
        "landfill-facility-based-received-2021"
      ],
      "formula": "100 * 36704215 / 76841631",
      "value": 47.766054054734994,
      "display_value": 47.8,
      "unit": "percent"
    },
    {
      "record_id": "landfill-population-based-landfilled-2021",
      "operation": "sum",
      "input_record_ids": [
        "landfill-population-based-msw-landfilled",
        "landfill-population-based-candd-landfilled"
      ],
      "formula": "8533761 + 11345002",
      "value": 19878763,
      "display_value": 19878763,
      "unit": "estimated_pallets"
    },
    {
      "record_id": "landfill-population-based-recovered-2021",
      "operation": "sum",
      "input_record_ids": [
        "landfill-population-based-msw-recovered",
        "landfill-population-based-candd-recovered"
      ],
      "formula": "13031421 + 7911971",
      "value": 20943392,
      "display_value": 20943392,
      "unit": "estimated_pallets"
    },
    {
      "record_id": "landfill-population-based-received-2021",
      "operation": "sum",
      "input_record_ids": [
        "landfill-population-based-landfilled-2021",
        "landfill-population-based-recovered-2021"
      ],
      "formula": "19878763 + 20943392",
      "value": 40822155,
      "display_value": 40822155,
      "unit": "estimated_pallets"
    },
    {
      "record_id": "landfill-population-based-recovery-share-2021",
      "operation": "share_percent",
      "input_record_ids": [
        "landfill-population-based-recovered-2021",
        "landfill-population-based-received-2021"
      ],
      "formula": "100 * 20943392 / 40822155",
      "value": 51.30398431929917,
      "display_value": 51.3,
      "unit": "percent"
    },
    {
      "record_id": "swaco-commercial-share-2018-19",
      "operation": "share_percent",
      "input_record_ids": [
        "swaco-commercial-pallet_tons",
        "swaco-overall-pallet_tons"
      ],
      "formula": "100 * 44810 / 47082",
      "value": 95.17437661951489,
      "display_value": 95.2,
      "unit": "percent"
    },
    {
      "record_id": "change-2016-2021-new_million",
      "operation": "change_percent",
      "input_record_ids": [
        "production-2016-new_million",
        "production-2021-new_million"
      ],
      "formula": "100 * (919 - 513) / 513",
      "value": 79.14230019493178,
      "display_value": 79.1,
      "unit": "percent"
    },
    {
      "record_id": "change-2016-2021-repaired_remanufactured_million",
      "operation": "change_percent",
      "input_record_ids": [
        "production-2016-repaired_remanufactured_million",
        "production-2021-repaired_remanufactured_million"
      ],
      "formula": "100 * (280 - 326) / 326",
      "value": -14.110429447852761,
      "display_value": -14.1,
      "unit": "percent"
    }
  ],
  "checks": [
    "Every derived record has explicit input-record IDs and an executable operation.",
    "EPA generated mass equals recycled plus combustion with energy recovery plus landfilled for every included year/category.",
    "SWACO commercial plus residential pallet tonnage and total-stream tonnage equal the corresponding overall figures.",
    "Original source inputs and the existing derived records are retained; four combined-output records are added."
  ],
  "source_discrepancies": [
    {
      "source_id": "S01",
      "issue": "New output change",
      "source_claim": "75% increase",
      "table_based_calculation": "(919 - 513) / 513 * 100 = 79.1%",
      "verification_date": "2026-09-11"
    },
    {
      "source_id": "S01",
      "issue": "Repaired/remanufactured output change",
      "source_claim": "16.4% decrease",
      "table_based_calculation": "(280 - 326) / 326 * 100 = -14.1%",
      "verification_date": "2026-09-11"
    },
    {
      "source_id": "S01",
      "issue": "Combined 2021 output",
      "source_claim": "1.18 billion in Summary and Conclusions item 1",
      "table_based_calculation": "919 + 280 = 1,199 million (1.199 billion)",
      "verification_date": "2026-09-11"
    },
    {
      "source_id": "S02",
      "issue": "Combined facility-based flows",
      "source_claim": "60.8 million in nearby prose; approximately 76.8 million in abstract",
      "table_based_calculation": "13,415,855 + 26,721,561 + 18,914,897 + 17,789,318 = 76,841,631",
      "verification_date": "2026-09-11"
    }
  ]
}
