3-Hydroxybutyric acid, 100 µg/ml, Acetonitrile,

3-Fluorochrysene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 36288-22-9

Bupirimate, 100 µg/ml, Ethyl acetate, 5ml

EPA Method 548.1 Internal Standard