Isoprothiolane, 10 µg/ml, Acetonitrile, 10ml

4-n-Octylphenol, 1000µg/mL in MeOH, 1ml

2,7/2,8-Dibromodibenzo-p-dioxin mix, 1.2ml x 50ug/ml, toluene

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