(Substance [CAS No.]Documentation date: 1,3-Butadiene [106-99-0] (1994
TWA: 2 ppm
STEL: Non
Notations: A2; BEI
MW: 54.09
TLV® Basis: Cancer
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BIOLOGICAL EXPOSURE DETERMINANTS 1,3-Butadiene [106-99-0] (2005)
Determinant: 1,2 Dihydroxy-4-(N-acetylcysteinyl)-butane in urine
Sampling Time: End of shift
BEI®: 25 mg/L
Notation: B, Sq
Determinant: Mixture
