EPA Method 552.2 - Surrogate Standard

Ciprofloxacin hydrochloride

Chlorpyrifos-methyl, 10.0 µg/ml, Cyclohexane, 10

3,4,7,8,12,13-Hexachloropentadecane-13,14,15-13C3, 100µg/ml in Isooctane, 1ml