4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g

2,4'-DDT, 100 µg/ml, Acetonitrile, 5ml

EPA Method 8260 - Surrogate Standard

1,2,3,4,7,8-Hexachlorodibenz-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.