Atrazine, 10.0 µg/ml, Acetonitrile, 10ml

Acenaphthylene, 10.0 µg/ml, Cyclohexane, 10ml

Chlorthal-dimethyl, 100 µg/ml, Ethyl acetate, 5m

Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4