Substance [CAS No.]Documentation date:​)
Tetrachloroethylene [127-18-4] (2001
TWA: 25 ppm
STEL: 100 ppm
Notations: A3; BEI
MW: 165.80
TLV® Basis: CNS impair

BIOLOGICAL EXPOSURE DETERMINANTSTetrachloroethylene [127-18-4] (2008
Determinant: Tetrachloroethylene in end-exhaled air
Sampling Time: Prior to shift
BEI®: 3 ppm
Notation: —
Determinant: Tetrachloroethylene in blood
Sampling Time: Prior to shift
BEI®: 0.5 mg/L
Notation: —