{
  "url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-northern-ireland-2016/schedule-1/part-2/chapter-4",
  "json_url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-northern-ireland-2016/schedule-1/part-2/chapter-4.json",
  "legislation": "nisr/2016/266",
  "legislation_title": "The Control of Electromagnetic Fields at Work Regulations (Northern Ireland) 2016",
  "legislation_url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-northern-ireland-2016",
  "path": "schedule/1/part/2/chapter/4",
  "kind": "chapter",
  "number": null,
  "heading": "Exposure Limit Values – thermal effects",
  "text": "Table ELV4 – Health effect ELVs for exposure to electromagnetic fields from 100 kHz to 6 GHz\nArea of exposure\nHealth effect ELVs – specific energy absorption rate (SAR) [Wkg-1]\nWhole body\n0.4 (averaged SAR in the body)\nHead and trunk\n10 (localised SAR in the head and trunk)\nLimbs\n20 (localised SAR in the limbs)\nTable ELV5 - Sensory effect ELV for exposure to electromagnetic fields from 300 MHz to 6 GHz\nFrequency range\nSensory effect ELV – specific energy absorption in the head (SA) [mJkg-1]\n300 MHz ≤ f ≤ 6 GHz\n10\nTable ELV6 - Health effect ELV for exposure to electromagnetic fields from 6 to 300 GHz\nFrequency range\nHealth effect ELV – power density (S) [Wm–2]\n6 GHz ≤ f ≤ 300 GHz\n50",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2016/266/schedule/1/part/2/chapter/4",
    "retrieved_at": "2026-10-29T00:55:49.544396+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."
}