Selenium
CAS Number
7782-49-2Synonym
Caswell No, 732; CI 77805; Elemental selenium; Gray selenium; Selenium alloy; Selenium base; Selenium compounds; Selenium dust; EPA Pesticide Code: 072001
Occurrence/Use
Power rectifiers and surge protection, photographic toner, anti-dandruff shampoos; production of glass (tinting), alloys, photoelectric cells, rubber, pharmaceuticals, fungicides, insecticides; component of tobacco smoke. Naturally occurring in small amounts in water and some foods.
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
Chronic REL
| Chronic Inhalation REL (μg/m3): | 20 (inhalation); 5 μg/kg BW-day (oral) |
|---|---|
| Chronic Target Organs: | Inhalation and oral: Alimentary system (liver), cardiovascular system, nervous system |
| Human Data: | Yes |
| Last Chronic REL Revision: | 2001 |
| Chronic Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3. Listing is for Selenium and selenium compounds (other than hydrogen selenide). REL for hydrogen selenide listed separately. |
Water
California Public Health Goals Data
| Health Risk Category: | Integumentary toxicity (causes hair loss and nail damage) |
|---|---|
| Public Health Goal (mg/L): | 0.03 |
| Public Health Goal - Download: | seleniumphg121010.pdf |
| Cancer Risk at PHG: | n/a |
| MCL value (mg/L): | 0.05 |
| Cancer Risk at MCL: | n/a |
| Last PHG Revision : | 2010 |
| California PHG Comments: |
Listing is for water-soluble and bioavailable selenium compounds. |