4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml

2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2-Fluorodibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 177586-38-8

DOW 624 Volatile Internal/Surrogate Standard