2,3,3',4',5',6-Hexachlorobiphenyl

beta-Cypermethrin

Valve Timing Calibration Mix (without Internal Standard) 4 Analytes, each Wt.% as listed in isooctane; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Benzene 5.0 o-Xylene 10.0 Toluene 5.0 Isooctane

Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S