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Copper

CAS Number

7440-50-8

Synonym

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

Copper

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: 

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: 
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.