Bensulfuron-methyl, 10.0 µg/ml, Acetonitrile, 10

2-Ethyl-3,(5/6)-dimethylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 27043-05-6 or 55031-15-7

Aqueous Ethanol Standard (0.3g/l), 10 x 1,2ml

Native PAH Solution/Mixture, 1.2ml, toluene