Tetrachloromethane, 100 ng/µl, 1ml

1,2,3,4,5,6,7-Heptachloronaphthalene, 1.2ml x 50ug/ml, nonane

4-n-Octylphenol-mono-ethoxylate, 10.0 µg/ml, Acet

Norhydrocodone hydrochloride,1000 µg base/mL,MeOH,1mL,