{
 "_meta": {
  "name": "The Dose Gap 2026",
  "edition": "2026",
  "built": "2026-08-02",
  "url": "https://embrsleep.com/pages/dose-gap",
  "derived_from": {
   "dataset": "Embr Exposure Ledger",
   "version": "1.5",
   "url": "https://embrsleep.com/exposure-ledger",
   "frozen_copy": "https://embrsleep.com/data/ledger-v1.5.json"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "question": "Which compounds already measured in the general population have no published inhalation reference value?",
  "method": "From the Embr Exposure Ledger, every compound with a body-burden record (US NHANES or Canada CHMS) and no inhalation RfC and no residential indoor-air screening level in the EPA RSL Summary Table. Ordered by how many independent presence datasets carry the compound.",
  "what_this_is_not": "Not a ranking of danger, harm or risk. Ranking presence without dose-response is the error Winter & Katz (PMID 21776262) identified in the EWG Dirty Dozen. This ranks the absence of dose-response itself, which is a claim about the evidence, not about the compounds.",
  "caveats": [
   "An oral reference dose may exist where an inhalation one does not; those are counted and shown, because the gap is route-specific rather than total.",
   "Some entries are absent from EPA's table because of speciation rather than genuine absence — the table lists Chromium(VI) and Chromium(III) separately while the Atlas carries a generic chromium page, so 'not in EPA's table' means 'not under this name'.",
   "A missing reference value is not evidence of safety and not evidence of harm. It means no agency has published a number for that route."
  ],
  "counts": {
   "atlas_compounds": 268,
   "measured_in_people": 122,
   "no_inhalation_value": 78,
   "oral_value_exists": 36,
   "absent_from_epa_table": 42
  }
 },
 "compounds": [
  {
   "slug": "chromium",
   "name": "Chromium",
   "cas": "7440-47-3",
   "presence_spokes": 5,
   "spokes": [
    "body",
    "commerce",
    "enforcement",
    "environment",
    "regulatory",
    "releases",
    "smoke"
   ],
   "matrix": "blood",
   "analyte": "Blood Chromium (2015 - 2018)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "chlordane",
   "name": "Chlordane",
   "cas": "57-74-9",
   "presence_spokes": 4,
   "spokes": [
    "air",
    "body",
    "regulatory",
    "releases"
   ],
   "matrix": null,
   "analyte": "oxychlordane",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "copper",
   "name": "Copper",
   "cas": "7440-50-8",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases",
    "remediation",
    "smoke"
   ],
   "matrix": "serum",
   "analyte": "Serum Copper (2011 - 2016)",
   "oral_rfd_mg_kg_day": 0.04,
   "oral_rfd_source": "HEAST",
   "in_epa_table": true
  },
  {
   "slug": "diazinon",
   "name": "Diazinon",
   "cas": "333-41-5",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "dose",
    "enforcement",
    "environment",
    "regulatory",
    "releases"
   ],
   "matrix": null,
   "analyte": "2-Isopropyl-4-methyl-6-hydroxypyrimidine (IMPY)",
   "oral_rfd_mg_kg_day": 0.0007,
   "oral_rfd_source": "ATSDR",
   "in_epa_table": true
  },
  {
   "slug": "fluoranthene",
   "name": "Fluoranthene",
   "cas": "206-44-0",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases",
    "smoke"
   ],
   "matrix": null,
   "analyte": "3-hydroxyfluoranthene",
   "oral_rfd_mg_kg_day": 0.04,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "fluorene",
   "name": "Fluorene",
   "cas": "86-73-7",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "regulatory",
    "releases",
    "smoke"
   ],
   "matrix": "Urine",
   "analyte": "2-Hydroxyfluorene",
   "oral_rfd_mg_kg_day": 0.04,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "genx",
   "name": "GenX (HFPO-DA)",
   "cas": "13252-13-6",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "environment",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": "serum",
   "analyte": "Serum GenX (2,3,3,3-tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)-propanoic acid (HFPO-DA)) (2017 - 2018)",
   "oral_rfd_mg_kg_day": 3e-06,
   "oral_rfd_source": null,
   "in_epa_table": true
  },
  {
   "slug": "pfbs",
   "name": "Perfluorobutane sulfonate",
   "cas": "375-73-5",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory",
    "releases"
   ],
   "matrix": "serum",
   "analyte": "Serum Perfluorobutane sulfonic acid (PFBS) (2011 - 2014)",
   "oral_rfd_mg_kg_day": 0.0003,
   "oral_rfd_source": "EPA PPRTV",
   "in_epa_table": true
  },
  {
   "slug": "pfda",
   "name": "Perfluorodecanoic acid",
   "cas": "335-76-2",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory",
    "releases"
   ],
   "matrix": "serum",
   "analyte": "Serum Perfluorodecanoic acid (PFDA) (2011 - 2018)",
   "oral_rfd_mg_kg_day": 2e-09,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "pfhxs",
   "name": "Perfluorohexane sulfonate",
   "cas": "355-46-4",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": "serum",
   "analyte": "Serum Perfluorohexane sulfonic acid (PFHxS) (2011 - 2018)",
   "oral_rfd_mg_kg_day": 2e-05,
   "oral_rfd_source": "ATSDR",
   "in_epa_table": true
  },
  {
   "slug": "pfna",
   "name": "Perfluorononanoic acid",
   "cas": "375-95-1",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": "serum",
   "analyte": "Serum Perfluorononanoic acid (PFNA) (2011 - 2018)",
   "oral_rfd_mg_kg_day": 3e-06,
   "oral_rfd_source": "ATSDR",
   "in_epa_table": true
  },
  {
   "slug": "pfos",
   "name": "Perfluorooctane sulfonate",
   "cas": "1763-23-1",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": "serum",
   "analyte": "Serum n-Perfluorooctane sulfonic acid (n-PFOS) (2013 - 2018)",
   "oral_rfd_mg_kg_day": 1e-07,
   "oral_rfd_source": null,
   "in_epa_table": true
  },
  {
   "slug": "pfoa",
   "name": "Perfluorooctanoic acid",
   "cas": "335-67-1",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "dose",
    "enforcement",
    "environment",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": "serum",
   "analyte": "Serum n-Perfluorooctanoic acid (n-PFOA) (2013 - 2018)",
   "oral_rfd_mg_kg_day": 3e-08,
   "oral_rfd_source": null,
   "in_epa_table": true
  },
  {
   "slug": "phenanthrene",
   "name": "Phenanthrene",
   "cas": "85-01-8",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "commerce",
    "regulatory",
    "releases",
    "remediation",
    "smoke"
   ],
   "matrix": "Urine",
   "analyte": "1-Hydroxyphenanthrene",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "pyrene",
   "name": "Pyrene",
   "cas": "129-00-0",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases",
    "remediation",
    "smoke"
   ],
   "matrix": "Urine",
   "analyte": "1-Hydroxypyrene",
   "oral_rfd_mg_kg_day": 0.03,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "silver-nanoparticles",
   "name": "Silver nanoparticles",
   "cas": "7440-22-4",
   "presence_spokes": 4,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "regulatory",
    "releases",
    "smoke"
   ],
   "matrix": null,
   "analyte": "silver",
   "oral_rfd_mg_kg_day": 0.005,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "2-4-d",
   "name": "2,4-Dichlorophenoxyacetic acid",
   "cas": "94-75-7",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "regulatory",
    "releases"
   ],
   "matrix": "urine",
   "analyte": "Urinary 2,4-Dichlorophenoxyacetic acid (2,4-D) (2011 - 2016)†",
   "oral_rfd_mg_kg_day": 0.01,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "4-tert-octylphenol",
   "name": "4-tert-Octylphenol",
   "cas": "140-66-9",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "regulatory",
    "releases"
   ],
   "matrix": "urine",
   "analyte": "Urinary 4-tert-Octylphenol (2005 - 2010)‡",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "atrazine",
   "name": "Atrazine",
   "cas": "1912-24-9",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "regulatory",
    "releases"
   ],
   "matrix": "urine",
   "analyte": "Urinary Atrazine (2007 - 2008)‡",
   "oral_rfd_mg_kg_day": 0.003,
   "oral_rfd_source": "ATSDR",
   "in_epa_table": true
  },
  {
   "slug": "bbp",
   "name": "Benzyl butyl phthalate",
   "cas": "85-68-7",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": "Urine",
   "analyte": "Monobenzyl phthalate (MBzP)",
   "oral_rfd_mg_kg_day": 0.2,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "bpa",
   "name": "Bisphenol A",
   "cas": "80-05-7",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases"
   ],
   "matrix": "urine",
   "analyte": "Urinary Bisphenol A (2011 - 2016)†",
   "oral_rfd_mg_kg_day": 0.05,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "chlorpyrifos",
   "name": "Chlorpyrifos",
   "cas": "2921-88-2",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory"
   ],
   "matrix": "Urine",
   "analyte": "3,5,6-Trichloro-2-pyridinol (TCPy)",
   "oral_rfd_mg_kg_day": 0.001,
   "oral_rfd_source": "ATSDR",
   "in_epa_table": true
  },
  {
   "slug": "dnop",
   "name": "Di-n-octyl phthalate",
   "cas": "117-84-0",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases"
   ],
   "matrix": null,
   "analyte": "mono-n-octyl phthalate (MOP)",
   "oral_rfd_mg_kg_day": 0.01,
   "oral_rfd_source": "EPA PPRTV",
   "in_epa_table": true
  },
  {
   "slug": "dbp",
   "name": "Dibutyl phthalate",
   "cas": "84-74-2",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": "Urine",
   "analyte": "Mono-3-hydroxy-n-butyl phthalate (3OH-MBP)",
   "oral_rfd_mg_kg_day": 0.1,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "hhcb",
   "name": "Galaxolide (HHCB)",
   "cas": "1222-05-5",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "regulatory",
    "releases"
   ],
   "matrix": null,
   "analyte": "galaxolide (1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran [HHCB])",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "lithium",
   "name": "Lithium",
   "cas": "7439-93-2",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "environment",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "lithium",
   "oral_rfd_mg_kg_day": 0.002,
   "oral_rfd_source": "EPA PPRTV",
   "in_epa_table": true
  },
  {
   "slug": "nicotine",
   "name": "Nicotine",
   "cas": "54-11-5",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "enforcement",
    "regulatory",
    "remediation",
    "smoke"
   ],
   "matrix": "urine",
   "analyte": "Urinary Total Nicotine in Smokers (2013 - 2018)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "nitrate",
   "name": "Nitrate",
   "cas": "14797-55-8",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "releases",
    "remediation",
    "smoke"
   ],
   "matrix": "urine",
   "analyte": "Urinary Perchlorate (2011 - 2018)†",
   "oral_rfd_mg_kg_day": 1.6,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "p-phenylenediamine",
   "name": "p-Phenylenediamine",
   "cas": "106-50-3",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases"
   ],
   "matrix": "",
   "analyte": "Urinary p-Phenylenediamine (PPDA) (2015 - 2016)",
   "oral_rfd_mg_kg_day": 0.001,
   "oral_rfd_source": "PPRTV appendix",
   "in_epa_table": true
  },
  {
   "slug": "bde-99",
   "name": "Pentabromodiphenyl ether",
   "cas": "60348-60-9",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "PBDE 99 (2,2',4,4',5-pentabromodiphenyl ether)",
   "oral_rfd_mg_kg_day": 0.0001,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "pfba",
   "name": "Perfluorobutanoic acid",
   "cas": "375-22-4",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "environment",
    "releases",
    "remediation"
   ],
   "matrix": "urine",
   "analyte": "Urinary Perfluorobutanoic acid (PFBA) (2013 - 2014)",
   "oral_rfd_mg_kg_day": 0.001,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "pfhpa",
   "name": "Perfluoroheptanoic acid",
   "cas": "375-85-9",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "environment",
    "regulatory"
   ],
   "matrix": "serum",
   "analyte": "Serum Perfluoroheptanoic acid (PFHpA) (2011 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "pfhxa",
   "name": "Perfluorohexanoic acid",
   "cas": "307-24-4",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "environment",
    "releases",
    "remediation"
   ],
   "matrix": "serum",
   "analyte": "Serum Perfluorohexanoic acid (PFHxA) (2017 - 2018)",
   "oral_rfd_mg_kg_day": 0.0005,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "propoxur",
   "name": "Propoxur (Baygon)",
   "cas": "114-26-1",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "enforcement",
    "regulatory",
    "releases"
   ],
   "matrix": null,
   "analyte": "2-isopropoxyphenol",
   "oral_rfd_mg_kg_day": 0.004,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "short-chain-chlorinated-paraffins",
   "name": "Short-chain chlorinated paraffins",
   "cas": "85535-84-8",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "enforcement",
    "regulatory",
    "releases"
   ],
   "matrix": null,
   "analyte": "C10Cl6 congeners",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tdcpp",
   "name": "TDCPP (chlorinated tris)",
   "cas": "13674-87-8",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "regulatory",
    "releases",
    "remediation"
   ],
   "matrix": null,
   "analyte": "bis(1,3-dichloro-2-propyl) phosphate (BDCPP)",
   "oral_rfd_mg_kg_day": 0.02,
   "oral_rfd_source": "ATSDR",
   "in_epa_table": true
  },
  {
   "slug": "bde-47",
   "name": "Tetrabromodiphenyl ether",
   "cas": "5436-43-1",
   "presence_spokes": 3,
   "spokes": [
    "body",
    "dose",
    "environment",
    "regulatory"
   ],
   "matrix": "serum",
   "analyte": "Serum 2,2’,4,4’-Tetrabromodiphenyl ether (BDE 47) (lipid adjusted) (2003 - 2004)",
   "oral_rfd_mg_kg_day": 0.0001,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "alpha-pinene",
   "name": "Alpha-pinene",
   "cas": "80-56-8",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "smoke"
   ],
   "matrix": "",
   "analyte": "Serum α-Pinene (2013 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tbph",
   "name": "Bis(2-ethylhexyl) tetrabromophthalate",
   "cas": "26040-51-7",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "bis(2-ethylhexyl) tetrabromophthalate (TBPH)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "bpaf",
   "name": "Bisphenol AF",
   "cas": "1478-61-1",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "bisphenol AF (BPAF)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "bps",
   "name": "Bisphenol S",
   "cas": "80-09-1",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "bisphenol S (BPS)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "butylparaben",
   "name": "Butylparaben",
   "cas": "94-26-8",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "enforcement",
    "regulatory"
   ],
   "matrix": "urine",
   "analyte": "Urinary Butyl paraben (2011 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "cotinine",
   "name": "Cotinine",
   "cas": "486-56-6",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "remediation",
    "smoke"
   ],
   "matrix": "serum",
   "analyte": "Serum Cotinine in Non-smokers (2011 - 2018)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "decanal",
   "name": "Decanal",
   "cas": "112-31-2",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "smoke"
   ],
   "matrix": "serum",
   "analyte": "Serum Decanaldehyde (2013 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "deet",
   "name": "DEET (N,N-Diethyl-meta-toluamide)",
   "cas": "134-62-3",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "regulatory"
   ],
   "matrix": "urine",
   "analyte": "Urinary N,N-diethyl-meta-toluamide (DEET) (2011 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "deltamethrin",
   "name": "Deltamethrin",
   "cas": "52918-63-5",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid (cis-DBCA)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "dep",
   "name": "Diethyl phthalate",
   "cas": "84-66-2",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "releases",
    "remediation"
   ],
   "matrix": "Urine",
   "analyte": "Monoethyl phthalate (MEP)",
   "oral_rfd_mg_kg_day": 0.8,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "dibp",
   "name": "Diisobutyl phthalate",
   "cas": "84-69-5",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "enforcement",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "mono-isobutyl phthalate (MIBP)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "didp",
   "name": "Diisodecyl phthalate",
   "cas": "26761-40-0",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "enforcement",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "monocarboxyisononyl phthalate (MCINP)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "dinp",
   "name": "Diisononyl phthalate",
   "cas": "28553-12-0",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "enforcement",
    "regulatory",
    "remediation"
   ],
   "matrix": "Urine",
   "analyte": "Mono(carboxyisooctyl) phthalate (MCiOP)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "dmp",
   "name": "Dimethyl phthalate",
   "cas": "131-11-3",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "releases"
   ],
   "matrix": "Urine",
   "analyte": "Monomethyl phthalate (MMP)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "endrin",
   "name": "Endrin",
   "cas": "72-20-8",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "dose",
    "regulatory"
   ],
   "matrix": "serum",
   "analyte": "Serum Endrin (lipid adjusted) (2001 - 2004)",
   "oral_rfd_mg_kg_day": 0.0003,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "glyphosate",
   "name": "Glyphosate",
   "cas": "1071-83-6",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "dose",
    "regulatory"
   ],
   "matrix": "urine",
   "analyte": "Urinary Glyphosate (N-(Phosphonomethyl)glycine) (2013 - 2018)†",
   "oral_rfd_mg_kg_day": 0.1,
   "oral_rfd_source": "EPA IRIS",
   "in_epa_table": true
  },
  {
   "slug": "hexanal",
   "name": "Hexanal",
   "cas": "66-25-1",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "smoke"
   ],
   "matrix": "serum",
   "analyte": "Serum Hexanaldehyde (2013 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "imidacloprid",
   "name": "Imidacloprid",
   "cas": "138261-41-3",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "regulatory"
   ],
   "matrix": "urine",
   "analyte": "Urinary Imidacloprid (2015 - 2016)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "methylparaben",
   "name": "Methylparaben",
   "cas": "99-76-3",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "enforcement",
    "smoke"
   ],
   "matrix": "urine",
   "analyte": "Urinary Methyl paraben (2011 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "nnn",
   "name": "N-Nitrosonornicotine",
   "cas": "16543-55-8",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "regulatory"
   ],
   "matrix": "urine",
   "analyte": "Urinary N'-Nitrosonornicotine (NNN) in Non-smokers (2013 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "nonanal",
   "name": "Nonanal (Aldehyde C-9)",
   "cas": "124-19-6",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "smoke"
   ],
   "matrix": "serum",
   "analyte": "Serum Nonanaldehyde (2013 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "octanal",
   "name": "Octanal",
   "cas": "124-13-0",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "smoke"
   ],
   "matrix": "serum",
   "analyte": "Serum Octanaldehyde (2013 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "bde-100",
   "name": "Pentabromodiphenyl ether (BDE-100)",
   "cas": "189084-64-8",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "environment"
   ],
   "matrix": "serum",
   "analyte": "Serum 2,2’,4,4’,6-Pentabromodiphenyl ether (BDE 100) (lipid adjusted) (2003 - 2004)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "pfpea",
   "name": "Perfluoropentanoic acid",
   "cas": "2706-90-3",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "environment",
    "remediation"
   ],
   "matrix": "urine",
   "analyte": "Urinary Perfluoropentanoic acid (PFPeA) (2013 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tributyl-phosphate",
   "name": "Tributyl phosphate",
   "cas": "126-73-8",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "dibutylphosphate (DBP)",
   "oral_rfd_mg_kg_day": 0.01,
   "oral_rfd_source": "EPA PPRTV",
   "in_epa_table": true
  },
  {
   "slug": "triclosan",
   "name": "Triclosan",
   "cas": "3380-34-5",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "enforcement",
    "regulatory"
   ],
   "matrix": "urine",
   "analyte": "Urinary Triclosan (2011 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tphp",
   "name": "Triphenyl phosphate",
   "cas": "115-86-6",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "commerce",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "diphenyl phosphate (DPHP)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tcep",
   "name": "Tris(2-chloroethyl) phosphate (TCEP)",
   "cas": "115-96-8",
   "presence_spokes": 2,
   "spokes": [
    "body",
    "dose",
    "enforcement",
    "regulatory"
   ],
   "matrix": null,
   "analyte": "bis-2-(chloroethyl) phosphate (BCEP)",
   "oral_rfd_mg_kg_day": 0.007,
   "oral_rfd_source": "EPA PPRTV",
   "in_epa_table": true
  },
  {
   "slug": "1-ohp",
   "name": "1-Hydroxypyrene",
   "cas": "5315-79-7",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "remediation"
   ],
   "matrix": "urine",
   "analyte": "Urinary 1-Hydroxypyrene (2011 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tbb",
   "name": "2-Ethylhexyl-2,3,4,5-tetrabromobenzoate",
   "cas": "183658-27-7",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "commerce"
   ],
   "matrix": null,
   "analyte": "2-ethyl-1-hexyl 2,3,4,5-tetrabromobenzoate (TBB)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "nnal",
   "name": "4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol",
   "cas": "76014-81-8",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "remediation"
   ],
   "matrix": "urine",
   "analyte": "Urinary Total 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol) (NNAL) in Non-smokers (2011 - 2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "bpf",
   "name": "Bisphenol F",
   "cas": "620-92-8",
   "presence_spokes": 1,
   "spokes": [
    "body"
   ],
   "matrix": null,
   "analyte": "bisphenol F (BPF)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "ethylparaben",
   "name": "Ethylparaben",
   "cas": "120-47-8",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "commerce"
   ],
   "matrix": "urine",
   "analyte": "Urinary Ethyl paraben (2011 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "mehp",
   "name": "Mono(2-ethylhexyl) phthalate",
   "cas": "4376-20-9",
   "presence_spokes": 1,
   "spokes": [
    "body"
   ],
   "matrix": "urine",
   "analyte": "Urinary Mono-2-ethylhexyl phthalate (MEHP) (2011 - 2018)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "oxybenzone",
   "name": "Oxybenzone (Benzophenone-3)",
   "cas": "131-57-7",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "commerce"
   ],
   "matrix": "urine",
   "analyte": "Urinary Benzophenone-3 (2011 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "pfosa",
   "name": "Perfluorooctanesulfonamide",
   "cas": "754-91-6",
   "presence_spokes": 1,
   "spokes": [
    "body"
   ],
   "matrix": "serum",
   "analyte": "Serum Perfluorooctane sulfonamide (FOSA) (Special Sample of Serum PFAS in Children, 2013-2014)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "propylparaben",
   "name": "Propylparaben",
   "cas": "94-13-3",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "commerce",
    "enforcement"
   ],
   "matrix": "urine",
   "analyte": "Urinary n-Propyl paraben (2011 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "triclocarban",
   "name": "Triclocarban",
   "cas": "101-20-2",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "enforcement"
   ],
   "matrix": "urine",
   "analyte": "Urinary Triclocarban (2013 - 2016)†",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tricresyl-phosphate",
   "name": "Tricresyl phosphate (TCP)",
   "cas": "1330-78-5",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "commerce",
    "dose"
   ],
   "matrix": null,
   "analyte": "di-p-tolyl phosphate (DpCP)",
   "oral_rfd_mg_kg_day": 0.02,
   "oral_rfd_source": "ATSDR",
   "in_epa_table": true
  },
  {
   "slug": "tboep",
   "name": "Tris(2-butoxyethyl) phosphate",
   "cas": "78-51-3",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "commerce"
   ],
   "matrix": null,
   "analyte": "bis-2(butoxyethyl) phosphate (BBOEP)",
   "oral_rfd_mg_kg_day": null,
   "oral_rfd_source": null,
   "in_epa_table": false
  },
  {
   "slug": "tcpp",
   "name": "Tris(chloroisopropyl) phosphate",
   "cas": "13674-84-5",
   "presence_spokes": 1,
   "spokes": [
    "body",
    "commerce",
    "dose",
    "enforcement",
    "remediation"
   ],
   "matrix": null,
   "analyte": "bis(2-chloropropyl) phosphate (BCPP)",
   "oral_rfd_mg_kg_day": 0.01,
   "oral_rfd_source": "PPRTV appendix",
   "in_epa_table": true
  }
 ]
}