Ethoprophos, 100 µg/ml, Acetonitrile, 1ml

Sodium bis(1H,1H,2H,2H-perfluorooctyl)phosphate, 50µg/ml in MeOH, 1,2ml

N,N-Dimethylsulfamide, 100mg

PCB Congeners & Hexachlorobenzene Mix #3