NAME: Beryllium and Beryllium Compounds (as Be)
IMIS: 0360
CAS: 7440-41-7
NIOSH: RTECS DS1750000
DOT: 1566 53
DESCRIPTION: Solid.
Exposure Limits
OSHA GENERAL INDUSTRY PEL: 2 ug/m3 TWA; 5 ug/m3 Ceiling for 30 min; 25 ug/m3 Peak (Table Z-2)
OSHA CONSTRUCTION INDUSTRY PEL: 0.002 mg/m3 TWA
ACGIH TLV: 0.002 mg/m3 TWA; 0.01 mg/m3 STEL; Appendix A1 (Confirmed Human Carcinogen)
NIOSH REL: 0.0005 mg/m3; Carcinogen
Health Factors
NTP: Suspect Human Carcinogen
IARC: Group 2A, probably carcinogenic to humans
SYMPTOM(s): Respiratory symptoms; weakness; fatigue; weight loss; (carcinogenic)
HEALTH EFFECTS: Carcinogen (HE2); Cumulative lung damage (Berylliosis)(HE10)
ORGAN: Lungs, skin, eyes, mucous membranes
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA: Mixed Cellulose Ester Filter (MCEF) 0.8 microns
MAX V: 960 Liters MIN V: 480 Liters MAX F: 2.0 L/min (TWA)
MAX V: 60 Liters
MIN T: 30 Minutes MAX F: 2.0 L/min (Ceiling)
MAX V: 30 Liters
MIN T: 15 Minutes MAX F: 2.0 L/min (Peak)
ANL 1: Inductively Coupled Argon Plasma; ICP/DCP-AES
REF: 2 (OSHA ID-125G & ID-206)
CLASS: 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. |
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