2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

Cerotic acid, 100 µg/ml, Acetonitrile, 1ml

Metazachlor methylsulfoxide,100 µg/mL,acetonitrile,1mL,

3,3',4,5'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane