Lead and Lead Compounds
Synonym
CI 77575; Lead flake; Lead metal; Pb-S 100; Plubum
Occurrence/Use
Lead is used in batteries, ballast, electrodes, construction materials, glazes, and as a radiation shield. Lead is also a component of tobacco smoke. Lead compounds are used as glazes, pigments, anti-knock additives in aviation fuel, semiconductors, and ammunition.
Child-Specific Reference Dose
| Child-specific refence dose (chRD) (mg/kg-day, unless noted): | 1.0 ug/dL blood |
|---|---|
| Last chRD revision: | 04/2007 |
| chRD Comments: |
OEHHA 2007. Child-Specific Benchmark Change in Blood Lead Concentration for School Site Risk Assessment. |
Soil Screening
| Last CHHSL revision: | 9/2009 |
|---|---|
| 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
| Inhalation Unit Risk (μg/cubic meter)-1: | 1.2 E-5 |
|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: | 4.2 E-2 |
| Oral Slope Factor (mg/kg-day)-1: | 8.5 E-3 |
| Comments/References: |
OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011. |
Air
Proposition 65
Chemical Status
| Cancer: | Currently listed |
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Cancer
Cancer - Listing Mechanism
Authoritative Bodies-US Environmental Protection Agency
| Listed as causing : | Listed as causing: Cancer |
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| Date of Listing: |
Safe Harbor Levels
No Significant Risk Level (NSRL) - Oral
15 µg/day
| Cancer | |
| Last NSRL/MADL Revision: | 2001 |
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Documents, Presentations, and Publications
| Cancer: |
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Comments
Public notices related to this chemical
- Center for Environmental Health petition: MADL for Lead
- Notice of Change to the Basis for Listing as Known to the State of California to Cause Reproductive Toxicity: 1,2-Dibromo-3-Chloropropane, Ethylene Oxide and Lead
- Notice of Modifications to Text of Regulations Title 22, California Code of Regulations Sections 12705 and 12805
- Notice of Modifications to Text of Proposed Regulations Title 22, California Code of Regulations Sections 12705 and 12805
- Notice of Modifications to Text of Proposed Regulations Title 22, California Code of Regulations Sections 12705 and 12805
- Notice of Proposed Rulemaking, Title 22, California Code of Regulations, Proposed Amendment To Section 12705 and Section 12805
Water
California Public Health Goals Data
| Public Health Goal (mg/L): | 0.0002 |
|---|---|
| Public Health Goal - Download: | leadfinalphg042409.pdf |
Listed as 'Lead' for developmental and reproductive effects; listed as 'Lead and lead compounds' for cancer. NSRL is for 'Lead'.
Lead acetate, Lead phosphate, and Lead subacetate listed separately. Their NSRLs are based on molecular weight adjustments of the NSRL for “Lead”.