Dieldrin, 1.2mL x 100ug/mL, nonane

Retene, 10µg/ml in Cycohexane, 10ml

2,3,4,5-Tetrachlorophenol, 100 µg/ml, Methanol,

4-tert-Butylphenyldiphenyl phosphate,100 µg/mL,isooctane,1mL,