{
  "url": "https://openlegislation.uk/environmental-protection-prescribed-processes-and-substances-regulations-1991/schedule-1/part-4/crossheading-section-43-acid-processes-1",
  "json_url": "https://openlegislation.uk/environmental-protection-prescribed-processes-and-substances-regulations-1991/schedule-1/part-4/crossheading-section-43-acid-processes-1.json",
  "legislation": "uksi/1991/472",
  "legislation_title": "The Environmental Protection (Prescribed Processes and Substances) Regulations 1991",
  "legislation_url": "https://openlegislation.uk/environmental-protection-prescribed-processes-and-substances-regulations-1991",
  "path": "schedule/1/part/4/crossheading/section-43-acid-processes-1",
  "kind": "crossheading",
  "number": "PART A",
  "heading": null,
  "text": "(a)Any process for the manufacture, recovery, concentration or distillation of sulphuric acid or oleum.\n(b)Any process for the manufacture of any oxide of sulphur but excluding any combustion or incineration process other than the burning of sulphur.\n(c)Any process for the manufacture of a chemical which uses, or may result in the release into the air of, any oxide of sulphur but excluding any combustion or incineration process other than the burning of sulphur and excluding also any process where such a release could only occur as a result of the storage and use of SO2 in cylinders.\n(d)Any process for the manufacture or recovery of nitric acid.\n(e)Any process for the manufacture of any acid-forming oxide of nitrogen.\n(f)Any other process (except the combustion or incineration of carbonaceous material as defined in Section 1.1. of this Schedule) which is not described in Part B of this Section, does not fall within a description in Section 2.1 or 2.2 of this Schedule and is not treated as so falling by virtue of the rules in Schedule 2, and which is likely to result in the release into the air of any acid-forming oxide of nitrogen.\n(g)Any process for the manufacture or purification of phosphoric acid.",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Regulations revoked (E.W.) (6.4.2008) by The Environmental Permitting (England and Wales) Regulations 2007 (S.I. 2007/3538), reg. 1(1)(b), Sch. 22 (with regs. 69-72); and lapsed (S.) by virtue of repeal of power conferring provision 1990 c. 43, s. 2 (S.) (1.4.2015) by Pollution Prevention and Control Act 1999 (c. 24), s. 7(3), Sch. 3 (with s. 7(7)); S.S.I. 2015/74, art. 2(2)(b)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Sch. 1 s. 4.3 added (1.12.1994) by The Environmental Protection (Prescribed Processes and Substances Etc.) (Amendment) Regulations 1994 (S.I. 1994/1271), reg. 1, Sch. 3 para. 26(a) (with Sch. 6)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Sch. 1 s. 4.3 inserted (1.12.1994) by The Environmental Protection (Prescribed Processes and Substances Etc.) (Amendment) Regulations 1994 (S.I. 1994/1271), reg. 1, Sch. 3 para. 26(b) (with Sch. 6)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Words in Sch. 1 s. 4.3 inserted (1.12.1994) by The Environmental Protection (Prescribed Processes and Substances Etc.) (Amendment) Regulations 1994 (S.I. 1994/1271), reg. 1, Sch. 3 para. 26(c) (with Sch. 6)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1991/472/schedule/1/part/4/crossheading/section-43-acid-processes-1",
    "retrieved_at": "2026-10-29T14:49:53.509555+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."
}