Fenthion-oxon, 100µg/ml in Cyclohexane, 5ml

Ethidimuron, 10 µg/ml, Acetonitrile, 10ml

Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10ml

Check Mix, EPA 610 8 Analytes, each concentration as listed in acetonitrile; units: 1x1mL, 5x1mL 0711.10 Naphthalene [91-20-3] 100 µg/mL 0002.12 Acenaphthylene [208-96-8] 100 µg/mL 0732.12 Acenaphthene [83