Endrin, 100 µg/ml, Ethyl acetate, 5ml

Methyl 2,3-dibromopropionate

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

Acrylamide-2,3,3-d3, 100µg/ml in Acetonitrile, 1ml