Editorial policy
Authorship on this site is organizational. Pages are published by the operator, not under an individual byline.
Sourcing standard
A regulatory statement on this site comes from the primary source, meaning the instrument itself rather than a write up of it. Admissible sources are the eCFR, EUR-Lex, ECHA, EPA, OSHA, NIOSH, Health Canada and Environment and Climate Change Canada, UNECE, and NFPA where the standard is licensed for the use being made of it.
Secondary summaries, blog posts, vendor guidance and figures recalled from memory are not admissible evidence for a regulatory statement here, however plausible they look.
Verification
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Every regulatory statement on this site is verified against its primary source before publication. Verification is signed off by SubstanceWorks AI's editorial lead and recorded with the page's last verified date.
Corrections
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Corrections are published with a dated note on the affected page and in the changelog.
Disclosure
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Content on this site is drafted with AI assistance and verified against the primary source by SubstanceWorks AI before it is published.
Reference only. Not legal or regulatory advice. Verify against the primary source before you act.
last updated 2026-08-19