Toxaphene, 100µg/ml in Acetonitrile, 5ml

Benzo[b]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 93951-98-5

EPA Method 300.0 Eluent 100 x Concentrate

4,4'-Diaminodiphenylmethane, >98%, 25g