{
  "url": "https://openlegislation.uk/private-water-supplies-scotland-regulations-2006/schedule-1/part-2",
  "json_url": "https://openlegislation.uk/private-water-supplies-scotland-regulations-2006/schedule-1/part-2.json",
  "legislation": "ssi/2006/209",
  "legislation_title": "The Private Water Supplies (Scotland) Regulations 2006",
  "legislation_url": "https://openlegislation.uk/private-water-supplies-scotland-regulations-2006",
  "path": "schedule/1/part/2",
  "kind": "part",
  "number": "Table B",
  "heading": "Chemical parameters",
  "text": "Part I: Directive requirements\n(1)Item\n(2)Parameters\n(3)Concentration or Value (maximum)\n(4)Units of Measurement\n1.\nAcrylamide(i)\n0.10\nµg/1\n2.\nAntimony\n5.0\nµgSb/l\n3.\nArsenic\n10\nµgAs/l\n4.\nBenzene\n1.0\nµg/l\n5.\nBenzo(a)pyrene\n0.010\nµg/l\n6.\nBoron\n1.0\nmgB/l\n7.\nBromate\n10\nµgBrO3/l\n8.\nCadmium\n5.0\nµgCd/l\n9.\nChromium\n50\nµgCr/l\n10.\nCopper\n2.0\nmg Cu/l\n11.\nCyanide\n50\nµgCN/l\n12.\n1,2 dichloroethane\n3.0\nµg/l\n13.\nEpichlorohydrin(i)\n0.10\nµg/l\n14.\nFluoride\n1.5\nmg F/l\n15.\nLead\n(a) 25, from 3/7/06 until 24/12/13\nµgPb/l\n(b) 10, from 25/12/13\nµgPb/l\n16.\nMercury\n1.0\nµgHg/l\n17.\nNickel\n20\nµgNi/l\n18.\nNitrate\n50\nmgNO3/l\n19.\nNitrite\n0.50\nmgNO2/l\n20.\nPesticides(ii)–\nAldrin\n0.030\nµg/l\nDieldrin\n0.030\nµg/l\nHeptachlor\n0.030\nµg/l\nHeptachlor epoxide\n0.030\nµg/l\nother pesticides\n0.10\nµg/l\n21.\nPesticides: Total(iii)\n0.50\nµg/l\n22.\nPAH(iv)\n0.10\nµg/l\n23.\nSelenium\n10\nµgSe/l\n24.\nTetrachloroethene & Trichloroethene(v)\n10\nµg/l\n25.\nTHM: Total(vi)\n100\nµg/l\n26.\nVinyl chloride(i)\n0.50\nµg/l",
  "extent": "S",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ssi/2006/209/schedule/1/part/2",
    "retrieved_at": "2026-10-28T22:20:04.570147+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."
}