1-Methyl-4-nitro-5-thioimidazole, 1g

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

4-tert-Octylphenol-di-ethoxylate, 1 µg/ml, Aceton

Dimethenamid-P, 10.0 µg/ml, Methanol, 10ml