EPA Method 622.1 Analytes

2,3',4,5,5'-Pentachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Cations Mix (K,Na,Mg,Ca) 1000µg/ml in Water, 100ml

Fenitrothion, 100 µg/ml, Toluene, 1ml