Permethrin, 100 µg/ml, Acetonitrile, 5ml

Pirimiphos-methyl-N-desethyl, 100µg/ml in Acetonitrile, 5ml

Initial Check Verif. Standard 4, in 4%HNO3, 100ml

Phorate-oxon-sulfone, 100µg/mL in Cyclohexane, 1ml