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

1,2,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

1,4-Dihydroxynaphthalene,neat,neat,100mg

Chlorpyrifos, 100µg/mL in MeOH, 1ml