DOW 624 Volatile Internal/Surrogate Standard

Metazachlor, 100μg/ml in Acetonitrile, 5ml

1-Nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5522-43-0

1,2,3,8,9-Pentachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,