NAME: Chromium, Metal and Insoluble Salts
SYNONYM(s): Chromium Oxide
IMIS: 0685
CAS: 7440-47-3; 1308-38-9
NIOSH: RTECS GB4200000
DESCRIPTION:
Appearance and odor vary depending upon specific compound.
INCOM: Strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL: 1.0 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL: 1 mg/m3 TWA
ACGIH TLV: 0.5 mg/m3 TWA
NIOSH REL: 0.5 mg/m3 TWA
Health Factors
IARC: Group 3, not classifiable as to its carcinogenicity to humans
SYMPTOM(s): Histologic fibrosis of lungs
ORGAN: Respiratory system
NIOSH/OSHA/DOE Health Guideline
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
ANL 1: Atomic Absorption Spectroscopy; AAS
REF: 2 (OSHA ID-121)
SAE: 0.12
CLASS: Fully Validated
ANL A: Inductively Coupled Argon Plasma; ICP/DCP-AES
REF: 2 (OSHA ID-125G)
SAE: 0.13
CLASS: Fully Validated
NOTE: If the filter is not overloaded, samples may be collected up to an 8-hour period. When analysis of a compound is requested, an elemental analysis is performed and reported as total chromium.
|
Back to Top
