{
  "url": "https://openlegislation.uk/eu-regulation-2006-166/annex-II",
  "json_url": "https://openlegislation.uk/eu-regulation-2006-166/annex-II.json",
  "legislation": "eur/2006/166",
  "legislation_title": "Regulation (EC) No 166/2006 of the European Parliament and of the Council of 18 January 2006 concerning the establishment of a European Pollutant Release and Transfer Register and amending Council Directives 91/689/EEC and 96/61/EC (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2006-166",
  "path": "annex/II",
  "kind": "annex",
  "number": "II",
  "heading": "Pollutants",
  "text": "Unless otherwise specified any pollutant specified in Annex II shall be reported as the total mass of that pollutant or, where the pollutant is a group of substances, as the total mass of the group.\nA hyphen (—) indicates that the parameter and medium in question do not trigger a reporting requirement.\nTotal mass of hydrogen fluorocarbons: sum of HFC23, HFC32, HFC41, HFC4310mee, HFC125, HFC134, HFC134a, HFC152a, HFC143, HFC143a, HFC227ea, HFC236fa, HFC245ca, HFC365mfc.\nTotal mass of perfluorocarbons: sum of CF4, C2F6, C3F8, C4F10, c-C4F8, C5F12, C6F14.\nTotal mass of substances including their isomers listed in Group VIII of Annex I to Regulation (EC) No 2037/2000 of the European Parliament and of the Council of 29 June 2000 on substances that deplete the ozone layer (OJ L 244, 29.9.2000, p. 1). Regulation as amended by Regulation (EC) No 1804/2003 (OJ L 265, 16.10.2003, p. 1).\nTotal mass of substances including their isomers listed in Group I and II of Annex I to Regulation (EC) No 2037/2000.\nTotal mass of substances including their isomers listed in Group III and VI of Annex I to Regulation (EC) No 2037/2000.\nAll metals shall be reported as the total mass of the element in all chemical forms present in the release.\nHalogenated organic compounds which can be adsorbed to activated carbon expressed as chloride.\nExpressed as I-TEQ.\nSingle pollutants are to be reported if the threshold for BTEX (the sum parameter of benzene, toluene, ethyl benzene, xylenes) is exceeded.\nTotal mass of the following brominated diphenylethers: penta-BDE, octa-BDE and deca-BDE.\nTotal mass of phenol and simple substituted phenols expressed as total carbon.\nPolycyclic aromatic hydrocarbons (PAHs) are to be measured for reporting of releases to air as benzo(a)pyrene (50-32-8), benzo(b)fluoranthene (205-99-2), benzo(k)fluoranthene (207-08-9), indeno(1,2,3-cd)pyrene (193-39-5) (derived from Regulation (EC) No 850/2004 of the European Parliament and of the Council of 29 April 2004 on persistent organic pollutants (OJ L 229, 29.6.2004, p. 5)).\nTotal mass of tributyltin compounds, expressed as mass of tributyltin.\nTotal mass of triphenyltin compounds, expressed as mass of triphenyltin.\nTotal mass of xylene (ortho-xylene, meta-xylene, para-xylene).\nNo\nCAS number\nPollutant\nThreshold for releases(column 1)\nto air(column 1a)kg/year\nto water(column 1b)kg/year\nto land(column 1c)kg/year\n1\n74-82-8\nMethane (CH4)\n100 000\n—\n—\n2\n630-08-0\nCarbon monoxide (CO)\n500 000\n—\n—\n3\n124-38-9\nCarbon dioxide (CO2)\n100 million\n—\n—\n4\nHydro-fluorocarbons (HFCs)\n100\n—\n—\n5\n10024-97-2\nNitrous oxide (N2O)\n10 000\n—\n—\n6\n7664-41-7\nAmmonia (NH3)\n10 000\n—\n—\n7\nNon-methane volatile organic compounds (NMVOC)\n100 000\n—\n—\n8\nNitrogen oxides (NOx/NO2)\n100 000\n—\n—\n9\nPerfluorocarbons (PFCs)\n100\n—\n—\n10\n2551-62-4\nSulphur hexafluoride (SF6)\n50\n—\n—\n11\nSulphur oxides (SOx/SO2)\n150 000\n—\n—\n12\nTotal nitrogen\n—\n50 000\n50 000\n13\nTotal phosphorus\n—\n5 000\n5 000\n14\nHydrochlorofluorocarbons (HCFCs)\n1\n—\n—\n15\nChlorofluorocarbons (CFCs)\n1\n—\n—\n16\nHalons\n1\n—\n—\n17\nArsenic and compounds (as As)\n20\n5\n5\n18\nCadmium and compounds (as Cd)\n10\n5\n5\n19\nChromium and compounds (as Cr)\n100\n50\n50\n20\nCopper and compounds (as Cu)\n100\n50\n50\n21\nMercury and compounds (as Hg)\n10\n1\n1\n22\nNickel and compounds (as Ni)\n50\n20\n20\n23\nLead and compounds (as Pb)\n200\n20\n20\n24\nZinc and compounds (as Zn)\n200\n100\n100\n25\n15972-60-8\nAlachlor\n—\n1\n1\n26\n309-00-2\nAldrin\n1\n1\n1\n27\n1912-24-9\nAtrazine\n—\n1\n1\n28\n57-74-9\nChlordane\n1\n1\n1\n29\n143-50-0\nChlordecone\n1\n1\n1\n30\n470-90-6\nChlorfenvinphos\n—\n1\n1\n31\n85535-84-8\nChloro-alkanes, C10-C13\n—\n1\n1\n32\n2921-88-2\nChlorpyrifos\n—\n1\n1\n33\n50-29-3\nDDT\n1\n1\n1\n34\n107-06-2\n1,2-dichloroethane (EDC)\n1 000\n10\n10\n35\n75-09-2\nDichloromethane (DCM)\n1 000\n10\n10\n36\n60-57-1\nDieldrin\n1\n1\n1\n37\n330-54-1\nDiuron\n—\n1\n1\n38\n115-29-7\nEndosulphan\n—\n1\n1\n39\n72-20-8\nEndrin\n1\n1\n1\n40\nHalogenated organic compounds (as AOX)\n—\n1 000\n1 000\n41\n76-44-8\nHeptachlor\n1\n1\n1\n42\n118-74-1\nHexachlorobenzene (HCB)\n10\n1\n1\n43\n87-68-3\nHexachlorobutadiene (HCBD)\n—\n1\n1\n44\n608-73-1\n1,2,3,4,5,6-hexachlorocyclohexane(HCH)\n10\n1\n1\n45\n58-89-9\nLindane\n1\n1\n1\n46\n2385-85-5\nMirex\n1\n1\n1\n47\nPCDD + PCDF (dioxins + furans) (as Teq)\n0,0001\n0,0001\n0,0001\n48\n608-93-5\nPentachlorobenzene\n1\n1\n1\n49\n87-86-5\nPentachlorophenol (PCP)\n10\n1\n1\n50\n1336-36-3\nPolychlorinated biphenyls (PCBs)\n0,1\n0,1\n0,1\n51\n122-34-9\nSimazine\n—\n1\n1\n52\n127-18-4\nTetrachloroethylene (PER)\n2 000\n10\n—\n53\n56-23-5\nTetrachloromethane (TCM)\n100\n1\n—\n54\n12002-48-1\nTrichlorobenzenes (TCBs) (all isomers)\n10\n1\n—\n55\n71-55-6\n1,1,1-trichloroethane\n100\n—\n—\n56\n79-34-5\n1,1,2,2-tetrachloroethane\n50\n—\n—\n57\n79-01-6\nTrichloroethylene\n2 000\n10\n—\n58\n67-66-3\nTrichloromethane\n500\n10\n—\n59\n8001-35-2\nToxaphene\n1\n1\n1\n60\n75-01-4\nVinyl chloride\n1 000\n10\n10\n61\n120-12-7\nAnthracene\n50\n1\n1\n62\n71-43-2\nBenzene\n1 000\n200\n(as BTEX)\n200\n(as BTEX)\n63\nBrominated diphenylethers (PBDE)\n—\n1\n1\n64\nNonylphenol and Nonylphenol ethoxylates (NP/NPEs)\n—\n1\n1\n65\n100-41-4\nEthyl benzene\n—\n200\n(as BTEX)\n200\n(as BTEX)\n66\n75-21-8\nEthylene oxide\n1 000\n10\n10\n67\n34123-59-6\nIsoproturon\n—\n1\n1\n68\n91-20-3\nNaphthalene\n100\n10\n10\n69\nOrganotin compounds(as total Sn)\n—\n50\n50\n70\n117-81-7\nDi-(2-ethyl hexyl) phthalate (DEHP)\n10\n1\n1\n71\n108-95-2\nPhenols (as total C)\n—\n20\n20\n72\nPolycyclic aromatic hydrocarbons (PAHs)\n50\n5\n5\n73\n108-88-3\nToluene\n—\n200\n(as BTEX)\n200\n(as BTEX)\n74\nTributyltin and compounds\n—\n1\n1\n75\nTriphenyltin and compounds\n—\n1\n1\n76\nTotal organic carbon (TOC) (as total C or COD/3)\n—\n50 000\n—\n77\n1582-09-8\nTrifluralin\n—\n1\n1\n78\n1330-20-7\nXylenes\n—\n200\n(as BTEX)\n200\n(as BTEX)\n79\nChlorides (as total Cl)\n—\n2 million\n2 million\n80\nChlorine and inorganic compounds (as HCl)\n10 000\n—\n—\n81\n1332-21-4\nAsbestos\n1\n1\n1\n82\nCyanides (as total CN)\n—\n50\n50\n83\nFluorides (as total F)\n—\n2 000\n2 000\n84\nFluorine and inorganic compounds (as HF)\n5 000\n—\n—\n85\n74-90-8\nHydrogen cyanide (HCN)\n200\n—\n—\n86\nParticulate matter (PM10)\n50 000\n—\n—\n87\n1806-26-4\nOctylphenols and Octylphenol ethoxylates\n—\n1\n—\n88\n206-44-0\nFluoranthene\n—\n1\n—\n89\n465-73-6\nIsodrin\n—\n1\n—\n90\n36355-1-8\nHexabromobiphenyl\n0,1\n0,1\n0,1\n91\n191-24-2\nBenzo(g,h,i)perylene\n1",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "Releases of pollutants falling into several categories of pollutants shall be reported for each of these categories."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "Unless otherwise specified any pollutant specified in Annex II shall be reported as the total mass of that pollutant or, where the pollutant is a group of substances, as the total mass of the group."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "A hyphen (—) indicates that the parameter and medium in question do not trigger a reporting requirement."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "Total mass of hydrogen fluorocarbons: sum of HFC23, HFC32, HFC41, HFC4310mee, HFC125, HFC134, HFC134a, HFC152a, HFC143, HFC143a, HFC227ea, HFC236fa, HFC245ca, HFC365mfc."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "Total mass of perfluorocarbons: sum of CF4, C2F6, C3F8, C4F10, c-C4F8, C5F12, C6F14."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "Total mass of substances including their isomers listed in Group VIII of Annex I to Regulation (EC) No 2037/2000 of the European Parliament and of the Council of 29 June 2000 on substances that deplete the ozone layer (OJ L 244, 29.9.2000, p. 1). Regulation as amended by Regulation (EC) No 1804/2003 (OJ L 265, 16.10.2003, p. 1)."
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "Total mass of substances including their isomers listed in Group I and II of Annex I to Regulation (EC) No 2037/2000."
    },
    {
      "type": "footnote",
      "label": "f8",
      "text": "Total mass of substances including their isomers listed in Group III and VI of Annex I to Regulation (EC) No 2037/2000."
    },
    {
      "type": "footnote",
      "label": "f9",
      "text": "All metals shall be reported as the total mass of the element in all chemical forms present in the release."
    },
    {
      "type": "footnote",
      "label": "f10",
      "text": "Halogenated organic compounds which can be adsorbed to activated carbon expressed as chloride."
    },
    {
      "type": "footnote",
      "label": "f11",
      "text": "Expressed as I-TEQ."
    },
    {
      "type": "footnote",
      "label": "f12",
      "text": "Single pollutants are to be reported if the threshold for BTEX (the sum parameter of benzene, toluene, ethyl benzene, xylenes) is exceeded."
    },
    {
      "type": "footnote",
      "label": "f13",
      "text": "Total mass of the following brominated diphenylethers: penta-BDE, octa-BDE and deca-BDE."
    },
    {
      "type": "footnote",
      "label": "f14",
      "text": "Total mass of phenol and simple substituted phenols expressed as total carbon."
    },
    {
      "type": "footnote",
      "label": "f15",
      "text": "Polycyclic aromatic hydrocarbons (PAHs) are to be measured for reporting of releases to air as benzo(a)pyrene (50-32-8), benzo(b)fluoranthene (205-99-2), benzo(k)fluoranthene (207-08-9), indeno(1,2,3-cd)pyrene (193-39-5) (derived from Regulation (EC) No 850/2004 of the European Parliament and of the Council of 29 April 2004 on persistent organic pollutants (OJ L 229, 29.6.2004, p. 5))."
    },
    {
      "type": "footnote",
      "label": "f16",
      "text": "Total mass of tributyltin compounds, expressed as mass of tributyltin."
    },
    {
      "type": "footnote",
      "label": "f17",
      "text": "Total mass of triphenyltin compounds, expressed as mass of triphenyltin."
    },
    {
      "type": "footnote",
      "label": "f18",
      "text": "Total mass of xylene (ortho-xylene, meta-xylene, para-xylene)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2006/166/annex/II",
    "retrieved_at": "2026-11-01T14:53:56.819899+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}