Simazine-2-hydroxy, 25mg

2',3',4',5'-Tetrachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Solids (EPA Methods 160.1,.2,.3)

4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml