Copper
CAS Number
7440-50-8Synonym
Arwood copper; Bronze bowder; Casell No. 227; Copper powder; Gold bronze; Kafar copper; OFHC Copper; Raney copper; EPA Pesticide Code: 022501
Occurrence/Use
Electrical conductors, roofing and plumbing, industrial machinery, pesticide, antibiofouling surfaces; alloys for currency, jewelry, decoration, etc.; component of tobacco smoke
Soil Screening
| Last CHHSL revision: | 1/2005 |
|---|---|
| CHHSL Comments: |
For chemical-specific screening levels for use in assessing contaminated sites, please see HHRA Note 3 (DTSC HERO). https://www.dtsc.ca.gov/assessingrisk/humanrisk2.cfm |
Cancer Potency Information
| Latest Criteria: | California Public Health Goals |
|---|
Air
Acute RELs
| Acute REL (μg/m3): | 100 |
|---|---|
| Species: | Human |
| Acute REL Toxicologic Endpoint: | Respiratory irritation |
| Acute REL Target Organs: | Respiratory system |
| Severity: | Mild |
| Last Acute REL Revision: | 1999 |
| Acute Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D2. |
Water
California Public Health Goals Data
| Health Risk Category: | Digestive system toxicity (nausea, diarrhea) |
|---|---|
| Public Health Goal (mg/L): | 0.3 |
| Public Health Goal - Download: | copperphg020808.pdf |
| Cancer Risk at PHG: | n/a |
| MCL value (mg/L): | 1.3 |
| Cancer Risk at MCL: | n/a |
| Last PHG Revision : | 2008 |
| California PHG Comments: |
CA MCL reflects the action level, measured at the tap. |