1,2,3,4,6,7-Hexachloronaphthalene,,,,

Octachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3268-87-9

EPA Method 8060 QC Check Solution

Sodium p-n-dodecylbenzenesulfonate, 100 µg/ml, Me