bis(Chloromethyl) ether

Chlorpyrifos, 100 µg/ml, Ethyl acetate, 5ml

2,2,3,3,4,5,5,6-Octachlorobiphenyl

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,