4,4'-DDT 13C12, 100µg/mL in Acetone, 1ml

Metamitron, 100 µg/ml, Acetonitrile, 5ml

Congener alcohols, 500μg/ml in Water, 10 x1ml

2,2',4-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,