Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml

2,2',4,4',5,5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35065-27-1

gamma-HCH (BHC), 10ug/ml, Solvent-acetonitrile, Unit 10mL, # of units-1, Cas.no. 58-89-9

EPA Method 8270A - Analytes Mix #8