Copper

Safety Summary

Regulatory Status

Sources

These citations are the ones recorded for the human adult context.

• ATSDR: Toxicological Profile for Copper — Essential vs Toxic Threshold, Wilson's Disease, Lead and Copper Rule, Plumbing Leaching, and Dietary Sources REGULATORY · 2004
• US EPA: Aquatic Life Ambient Water Quality Criteria for Copper — Freshwater Criterion (Hardness-Adjusted), Marine Criterion (3.1 μg/L), Salmonid Olfactory Impairment, and Stormwater Runoff Context REGULATORY · 2007
• § 141.80 General requirements and action level. REGULATORY · 2026
• § 1910.1000 Air contaminants. REGULATORY
• § 141.62 Maximum contaminant levels for inorganic contaminants. REGULATORY
• § 141.51 Maximum contaminant level goals for inorganic contaminants. REGULATORY
• National Primary Drinking Water Regulations | US EPA REGULATORY
• Regional Screening Levels (RSLs) - Generic Tables | US EPA REGULATORY
• 2018 Edition of the Drinking Water Standards and Health Advisories Tables (EPA 822-F-18-001) REGULATORY
• Copper | CASRN 7440-50-8 | DTXSID2023985 | IRIS | US EPA, ORD REGULATORY
• Federal Contaminated Site Risk Assessment in Canada, Part II: Health Canada Toxicological Reference Values (TRVs) and Chemical-Specific Factors, Version 2.0 REGULATORY
• identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
• where to look PubChem: Toxicity section (CID 23978) PUBCHEM
• NIOSH Pocket Guide to Chemical Hazards - Copper (dusts and mists, as Cu) (7440-50-8) (reached from the NPG CAS index npgdcas.html, archived 2026-09-25) REGULATORY
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• where to look EPA CompTox CTX API: predicted properties for DTXSID2023985 (Copper) REFERENCE
• where to look Hazardous Substances Data Bank (HSDB), as recorded by PubChem (Experimental Properties, CID 23978; where-to-look, not a source of this value) DATABASE · 2026

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.