Carbophenothion, 100 µg/ml, Acetonitrile, 5ml

2,3',4-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

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

EPA Method 8240A Internal Standard