trans-Chlordane, 100 µg/ml, Ethyl acetate, 5ml

1,2,3,4,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

Chrysene, 10μg/ml in Cyclohexane, 10ml

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,