{
  "node_id": "iso-14644-1-2015-cleanrooms-classification",
  "title": "ISO 14644-1:2015 Cleanrooms and Associated Controlled Environments - Part 1: Classification of Air Cleanliness by Particle Concentration",
  "domain": "Pharmaceuticals & Life Sciences",
  "version": "1.0.1",
  "last_updated": "2026-04-30",
  "bluf": "This regulation requires cleanroom operators to classify their air cleanliness by particle concentration, as…",
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  "primary_citations_count": 5,
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  "citation_preview": [
    "ISO 14644-1:2015, Clause 5 - Classification of air cleanliness",
    "ISO 14644-1:2015, Clause 7.2 - Verification of air cleanliness classification"
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}