Alachlor, 1.0mg/mL in MeOH, 1ml

Mepanipyrim, 100 µg/ml, Acetonitrile, 1ml

Prothiofos, 10.0 µg/ml, Ethyl acetate, 10ml

Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane