1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Heptenofos,100 µg/mL,MeOH,1mL,

Tri-iso-butyl phosphate, 100µg/ml in MeOH, 5ml

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