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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); Vary depending on specific beryllium compound NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DS1750000 Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 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 OSHA Permissible Exposure Limit (PEL): General Industry: 29 CFR 1910.1000 Z-2 Table -- 2 μg/m3 TWA; 5 μg/m3 Ceiling for 30 min; 25 μg/m3 PeakAmerican 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 Carcinogenic Classification: Environmental Protection Agency (EPA): Group B1, probable human carcinogenNIOSH 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 Literature Basis:
Laboratory Sampling/Analytical Method:
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