Profluralin, 100 µg/ml, Acetonitrile, 1ml

b-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane

2-Perfluorobutyl ethanol (4:2 FTOH), 50µg/ml in MeOH, 1,2ml

Chlorfenvinphos, 100 µg/ml, Toluene, 1ml