Valeraldehyde, 1ml

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

1,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

alpha-Endosulfan, 100 µg/ml, Methanol, 1ml