Etrimfos, 100 µg/ml, Acetonitrile, 5ml

Pentachloronitrobenzene, 100ug/ml, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 82-68-8

2-Ethylhexyl diphenyl phosphate,100µg/ml in TO,1ml

Surrogate Standard