Chemical Sampling Information
	Beryllium and Beryllium Compounds (as Be)
Quick Links S&H Topics: Beryllium General Description Exposure Limits Health Factors Monitoring Search    [use word(s)/phrase] Table of Contents By Name A B C D E F G H I J K L M N O P Q R S T U V W X Y Z By CAS Number General Description Synonyms: Beryllium metal: Beryllium; Other synonyms vary depending upon the specific beryllium compound. OSHA IMIS Code Number: 0360 Chemical Abstracts Service (CAS) Registry Number: 7440-41-7 (Metal) Other Chemical Abstracts Service (CAS) Registry Number: Vary depending on specific beryllium compound NIOSH, Registry of Toxic Effects (RTECS) Identification Number: DS1750000 Department of Transportation Regulation Number (49 CFR 172.101) and guide [2008 Emergency Response Guidebook, 2.5 MB PDF]: 1566 154 (compounds); 1567 134 (powder) NIOSH Pocket Guide to Chemical Hazards, Beryllium and Beryllium Compounds (as Be): chemical description, physical properties, potentially hazardous incompatibilities, and more Exposure Limits OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-2 Table -- 2 μg/m3 TWA; 5 μg/m3 Ceiling for 30 min; 25 μg/m3 Peak OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 0.002 mg/m3 TWA OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 0.002 mg/m3 TWA American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.00005 mg/m3 TWA- Inhalable fraction; see Appendix C, Paragraph A; Skin; Sensitization; Appendix A1 - Confirmed Human Carcinogen National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.0005 mg/m3; Appendix A - NIOSH Potential Occupational Carcinogens Health Factors National Toxicology Program (NTP) carcinogenic classification: Known to be a Human Carcinogen [148 KB, PDF] International Agency for Research on Cancer (IARC) carcinogenic classification: Group 1, Carcinogenic to Humans [5.55 MB, PDF, 77 pages] Environmental Protection Agency (EPA) carcinogenic classification: Group B1, Probable Human Carcinogen NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 4 mg Be/m3 Potential symptoms: ACUTE: severe inflammation of the lungs (pneumonitis), coughing, increasing breathlessness (dyspnea); CHRONIC: abnormal formation of inflammatory masses or nodules (granulomas), widespread scarring and thickening of deep lung tissues (interstitial pulmonary fibrosis), respiratory symptoms (dry coughing), weakness, fatigue, weight loss, chest pain, increasing shortness of breath; (carcinogenic) Health Effects: Carcinogen (HE2); Cumulative lung damage (Chronic Beryllium Disease) (HE10) Affected organs: liver, lungs, skin, eyes, mucous membranes Resources: American Lung Association Centers for Disease Control and Prevention NIH/National Institute of Allergy and Infectious Diseases OSHA Safety and Health Topics: Beryllium Monitoring Methods used by OSHA Laboratory Sampling/Analytical Method: sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 microns maximum volume: 960 Liters   minimum volume: 480 Liters   maximum flow rate: 2.0 L/min (TWA) maximum volume: 60 Liters   minimum time: 30 Minutes   maximum flow rate: 2.0 L/min (Ceiling) maximum volume: 30 Liters   minimum time: 15 Minutes   maximum flow rate: 2.0 L/min (Peak) current analytical method: Inductively Coupled Argon Plasma; ICP/DCP-AES method reference: OSHA Analytical Method (OSHA ID-125G) method classification: Fully Validated note: If the filter is not overloaded, samples may be collected up to an 8-hour period for a time weighted average determination. All Trademarks are the property of their respective owners. Accessibility Assistance: Contact the OSHA Directorate of Technical Support and Emergency Management at 202-693-2300 for assistance accessing PDF materials.