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. 2021 Dec 1;63(1):e12296. doi: 10.1002/1348-9585.12296

TABLE 1.

Occupational Exposure Limit Values (OELVs) for RCS, inhalable and respirable dust from different agencies

OSHA PEL NIOSH REL ACGIH TLV
TWA (Time Weighted Average) RCS 0.05 mg/m3 0.05 mg/m3 0.025 mg/m3
TWA (Time Weighted Average) respirable dust 5 mg/m3 N.P. 3 mg/m3
TWA (Time Weighted Average) inhalable dust 15 mg/m3 N.P. 10 mg/m3