{
  "url": "https://openlegislation.uk/eu-directive-2013-35/annex-III/division-THERMAL/division-B",
  "json_url": "https://openlegislation.uk/eu-directive-2013-35/annex-III/division-THERMAL/division-B.json",
  "legislation": "eudr/2013/35",
  "legislation_title": "Directive 2013/35/EU of the European Parliament and of the Council of 26 June 2013 on the minimum health and safety requirements regarding the exposure of workers to the risks arising from physical agents (electromagnetic fields) (20th individual Directive within the meaning of Article 16(1) of Directive 89/391/EEC) and repealing Directive 2004/40/EC",
  "legislation_url": "https://openlegislation.uk/eu-directive-2013-35",
  "path": "annex/III/division/THERMAL/division/B",
  "kind": "division",
  "number": "B",
  "heading": "ACTION LEVELS (ALs)",
  "text": "The following physical quantities and values are used to specify the action levels (ALs), the magnitude of which are established to ensure by simplified assessment the compliance with the relevant ELVs or at which relevant protection or prevention measures specified in Article 5 must be taken:\nALs(E) for electric field strength E of time varying electric field, as specified in Table B1;\nALs(B) for magnetic flux density B of time varying magnetic field, as specified in Table B1;\nALs(S) for power density of electromagnetic waves, as specified in Table B1;\nALs(IC) for contact current, as specified in Table B2;\nALs(IL) for limb current, as specified in Table B2;\nALs correspond to calculated or measured field values at the workplace in the absence of the worker, as maximum value at the position of the body or specified part of the body.\nAction levels (ALs) for exposure to electric and magnetic fields\nALs(E) and ALs(B) are derived from the SAR or power density ELVs (Tables A1 and A3) based on the thresholds related to internal thermal effects caused by exposure to (external) electric and magnetic fields.\nTable B1\nALs for exposure to electric and magnetic fields from 100 kHz to 300 GHz\nFrequency range\nElectric field strength ALs(E) [Vm–1] (RMS)\nMagnetic flux density ALs(B) [μT] (RMS)\nPower density ALs(S) [Wm–2]\n100 kHz ≤ f < 1 MHz\n6,1 × 102\n2,0 × 106/f\n—\n1≤ f < 10 MHz\n6,1 × 108/f\n2,0 × 106/f\n—\n10 ≤ f < 400 MHz\n61\n0,2\n—\n400 MHz ≤ f < 2 GHz\n3 × 10–3 f½\n1,0 × 10–5 f½\n—\n2 ≤ f < 6 GHz\n1,4 × 102\n4,5 × 10–1\n—\n6 ≤ f ≤ 300 GHz\n1,4 × 102\n4,5 × 10–1\n50\nTable B2\nALs for steady state contact currents and induced limb currents\nFrequency range\nSteady state contact current, ALs(IC) [mA] (RMS)\nInduced limb current in any limb, ALs(IL) [mA] (RMS)\n100 kHz ≤ f < 10 MHz\n40\n—\n10 ≤ f ≤ 110 MHz\n40\n100",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/2013/35/annex/III/division/THERMAL/division/B",
    "retrieved_at": "2026-11-01T15:21:52.886332+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."
}