{
  "url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-2016/schedule/part-2/chapter-1",
  "json_url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-2016/schedule/part-2/chapter-1.json",
  "legislation": "uksi/2016/588",
  "legislation_title": "The Control of Electromagnetic Fields at Work Regulations 2016",
  "legislation_url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-2016",
  "path": "schedule/part/2/chapter/1",
  "kind": "chapter",
  "number": null,
  "heading": "Action levels – non-thermal effects",
  "text": "Table AL1 – ALs for exposure to electromagnetic fields from 1 Hz to 10 MHz\nFrequency range\nExternal electric field strength Low ALs (E) [Vm-1]\nExternal electric field strength High ALs (E) [Vm-1]\n1 ≤ f < 25 Hz\n2.0 × 104\n2.0 × 104\n25 ≤ f < 50 Hz\n5.0 × 105/f\n2.0 × 104\n50 Hz ≤ f < 1.64 kHz\n5.0 × 105/f\n1.0 × 106/f\n1.64 ≤ f < 3 kHz\n5.0 × 105/f\n6.1 × 102\n3 kHz ≤ f ≤ 10 MHz\n1.7 × 102\n6.1 × 102\nExposure levels not exceeding the ALs will be compliant with:\nTables ELV2 and ELV3",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/588/schedule/part/2/chapter/1",
    "retrieved_at": "2026-10-28T23:23:24.357811+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."
}