1,2-Dichloroethane, 10µg/ml in MeOH, 10ml

Saturated Fraction GC Control Set (S-4012 + S-4020)

Hexamethylphosphoramide

1,2,3,4,6,7-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane