2,4,6-Tribromophenol, 250mg

Difenoxuron, 100 µg/ml, Acetonitrile, 1ml

n-Hydrocarbon Mix C8-C40, 100µg/mL in Methylene Chloride, 1ml

EPA Method 502/524 High Conc VOC Mix #8, 2000µg/ml in MeOH, 1ml