2,4-DB, 10 µg/ml, Acetonitrile, 10ml

1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Isocarbophos, 100 µg/ml, Cyclohexane, 1ml

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