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 refence dose (chRD) (mg/kg-day, unless noted): |
1.0 ug/dL blood
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|---|---|
| Last chRD revision: |
04/2007
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| chRD Comments: |
| Last CHHSL revision: |
9/2009
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| 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 |
| Inhalation Unit Risk (μg/cubic meter)-1: |
1.2 E-5
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|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: |
4.2 E-2
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| Oral Slope Factor (mg/kg-day)-1: |
8.5 E-3
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| 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
| Cancer: |
Currently listed
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| Listed for: |
Cancer
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| Date of Listing: |
10/01/1992
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| Basis for Listing: |
Authoritative Bodies-US Environmental Protection Agency
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| Cancer | |
| No Significant Risk Level (NSRL) - Oral: |
15 µg/day
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|---|---|
| Last NSRL/MADL Revision: |
2001
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| Cancer: |
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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
| Public Health Goal (mg/L): |
0.0002
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|---|---|
| Public Health Goal - Download: |
Comments
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”.