Chlorfluazuron, 100 µg/ml, Acetonitrile, 1ml

EPA Method 507 - Performance Check Solution

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

Amitrole, 100 µg/ml, Acetonitrile, 1ml