Propyzamide, 100 µg/ml, Acetonitrile, 5ml

4,4'-DDT, 100 µg/ml, Methanol, 1ml

4-Chlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2051-62-9

EPA Method 8260 - Surrogate Standard