6-Methyl-2-thiouracil, 250mg

EPA Method 502.1 - Liquids

2,2',4,4'-Tetrabromo-6-methoxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Heptachlor endo-epoxide, 100µg/ml, Acetonitrile, 5ml