Propazine-2-hydroxy, 100µg/ml in Acetonitrile, 5ml

1,3-Diaminopyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 92821-64-2

PCB No. 170, 100µg/ml in Cyclohexane, 5ml

EPA Method 601 - Purgeables Mix #2