{
  "node_id": "us-epa-40-cfr-63-neshap-hazardous-air-pollutants",
  "title": "40 CFR Part 63 - National Emission Standards for Hazardous Air Pollutants (NESHAP)",
  "domain": "Sustainability & ESG",
  "version": "1.0.0",
  "last_updated": "2026-05-24",
  "bluf": "EPA 40 CFR Part 63 establishes national emission standards for hazardous air pollutants under section 112 of the Clean Air Act, requiring owners or operators of affected sources to meet each relevant emission standard by its compliance date, operate and maintain controls to minimise emissions, conduct performance testing, run continuous monitoring systems, submit the required notifications, and keep records and submit periodic compliance reports.",
  "paywall": {
    "status": "LOCKED",
    "unlock_cost_usd": "0.01",
    "skyfire_id": "41779894-ece2-4163-9761-b3b1b76e19b0"
  },
  "crosswalks": {
    "_available_keys": [
      "nist_framework",
      "iso_standard",
      "industry_mapping",
      "ai_overlay_2026"
    ],
    "_note": "Full crosswalk values included in vault response"
  },
  "dependencies": [
    "us-clean-air-act-42-usc-7401-findings-purposes-air-quality"
  ],
  "primary_citations_count": 6
}