Anthracene, 100 µg/ml, Cyclohexane, 1ml

3-Ethyltoluene, 100mg

Quinalphos, 100 µg/ml, Ethyl acetate, 1ml

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene