Chloridazon, 10.0 µg/ml, Acetonitrile, 10ml

2-Chlorothioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 86-39-5

EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml

Theophylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-55-9