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Beryllium

CAS Number

7440-41-7

Synonym

Beryllium-9, Beryllium dust, Beryllium metal, Beryllium metallic, Glucinum, Glucinium

Occurrence/Use

Naturally occurring element; strengthening and conductive component used alone or in alloys (ie. aerospace material, electronics, fuel containers); component of tobacco smoke

Beryllium

Soil Screening

Last CHHSL revision: 
3/2009
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: 
2.4 E-3
Inhalation Slope Factor (mg/kg-day)-1: 
8.4 E+0
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. Listed as Beryllium.

 

OEHHA 2003. Public Health Goal for Beryllium and Beryllium Compounds in Drinking Water.

 

US EPA 1998. IRIS Database: Beryllium and compounds.

Air

Chronic REL

Chronic Inhalation REL (μg/m3): 
0.007 (inhalation); 2.0 μg/kg BW-day (oral)
Chronic Target Organs: 
Inhalation: Respiratory system, immune system. Oral: Alimentary system (gastrointestinal tract)
Human Data: 
Yes
Last Chronic REL Revision: 
2001
Chronic Reference Exposure Levels Comments: 

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
10/01/1987
Basis for Listing: 
State's Qualified Experts

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL): 
0.1 µg/day (beryllium), 0.1 µg/day (beryllium oxide), 0.0002 µg/day (beryllium sulfate)

Documents, Presentations, and Publications

Cancer: 

Water

California Public Health Goals Data

Public Health Goal (mg/L): 
0.001
Public Health Goal - Download: