2,3-Dibromo-7,8-dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Metazachlor ESA, 100µg/mL in Acetonitrile/MeOH, 1m

Semi-Volatile Surrogate Standard

2-Methyl-3,3',4,4'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.