Marker PCB Extraction Standard, 1.2ml, nonane

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

Thiosulfate (S2O32-)