{
  "metadata": {
    "schema_version": "2.0",
    "package_version": "2.0.0-rc1",
    "publication_status": "informational_reference_human_review_required",
    "last_verified": "2026-07-14",
    "generated_date": "2026-07-28",
    "confidence": "High",
    "public_safe": true,
    "confidential_fields_excluded": true,
    "source_package": "Depureco USA public knowledge source package v33",
    "json_path": "/ai/compliance/iso-16890.json",
    "markdown_path": "/ai/compliance/iso-16890.md"
  },
  "entity": {
    "entity_id": "CMP-iso-16890",
    "entity_type": "compliance",
    "name": "ISO 16890",
    "slug": "iso-16890",
    "summary": "General ventilation filters by PM1/PM2.5/PM10 efficiency groups.",
    "feature_impact": "HVAC/general ventilation comparison",
    "materials": [
      "Ventilation, not direct vacuum filter selection"
    ],
    "claim_guardrail": "Use to prevent confusion with industrial vacuum classes.",
    "source_url": "https://www.iso.org/standard/57864.html",
    "ai_file_path": "/ai/compliance/iso-16890.md",
    "source_authority": "Filter database compliance standards",
    "confidence": "High",
    "human_route": "https://depurecousa.com/depureco-contact-us/",
    "human_route_status": "available",
    "publication_status": "informational_reference_human_review_required",
    "selection_qualification_required": true
  },
  "public_relationships": [],
  "support": {
    "unknown_or_unverified_information": {
      "next_best_page": "https://depurecousa.com/depureco-contact-us/",
      "material_testing": "https://depurecousa.com/industrial-vacuum-material-testing/",
      "contact_page": "https://depurecousa.com/depureco-contact-us/",
      "email": "sales@depurecousa.com",
      "phone": "737-320-9102",
      "phone_uri": "tel:+17373209102"
    },
    "selection_rule": "Do not make a final product, filtration, hazardous-location, combustible-dust, chemical-compatibility, or engineered-system selection without the required application inputs and supporting evidence."
  }
}