Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

Dibenzothiophene Cocktail 5 Analytes, each concentration as listed in isooctane; units: 1x1mL Relative ratios Chiron No. Name CAS No.

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

UHT milk Lactose-reduced (sterilized), 100ml