{
  "id": "limits:icnirp-2020-sar-local",
  "collection": "limits",
  "slug": "icnirp-local-sar-limit",
  "name": "ICNIRP 2020 local SAR basic restriction (head and torso)",
  "summary": "2 W/kg averaged over 10 grams of tissue for the general public — a different averaging mass than the FCC's 1 g, which is why SAR numbers are not directly comparable between regions.",
  "status": "verified",
  "lastVerified": "2026-08-12",
  "data": {
    "standardId": "icnirp-2020",
    "population": "general-public",
    "quantity": "specific-absorption-rate",
    "band": {
      "minHz": 100000,
      "maxHz": 6000000000,
      "label": "100 kHz–6 GHz"
    },
    "averagingSeconds": 360,
    "value": {
      "quantity": "specific-absorption-rate",
      "unit": "W/kg",
      "value": 2,
      "basis": "guideline",
      "note": "Local SAR head/torso, 10 g cube average. Limb local SAR is 4 W/kg; whole-body average is 0.08 W/kg.",
      "sourceIds": [
        "icnirp-2020"
      ]
    },
    "related": [
      "limits:fcc-sar-partial-body"
    ]
  },
  "sources": [
    {
      "id": "icnirp-2020",
      "title": "Guidelines for Limiting Exposure to Electromagnetic Fields (100 kHz to 300 GHz)",
      "publisher": "International Commission on Non-Ionizing Radiation Protection",
      "url": "https://www.icnirp.org/en/publications/article/rf-guidelines-2020.html",
      "year": 2020,
      "kind": "guideline",
      "retrieved": "2026-08-12"
    }
  ],
  "links": {
    "self": "https://emfbase.com/api/limits/icnirp-local-sar-limit",
    "html": "https://emfbase.com/limits/icnirp-local-sar-limit",
    "markdown": "https://emfbase.com/limits/icnirp-local-sar-limit.md",
    "collection": "https://emfbase.com/api/limits"
  }
}