Tebuthiuron, 10 µg/ml, Acetonitrile, 10ml

USGS 8022 Standard

2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Sodium p-n-undecylbenzenesulfonate, 10mg