4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

Diphenyl-m-tolyl phosphate,100 µg/mL,isooctane,1mL,

BDE-203 (13C12,99%), 50µg/mL in Nonane, 1,2ml

Parathion-methyl, 10.0 µg/ml, Ethyl acetate, 10m