Fluroxypyr, 10.0 µg/ml, Acetonitrile, 10ml

2,2',4,4',6-Pentabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1,3,5-Trichlorobenzene, 1000µg/ml in MeOH, 1ml

Imazamox-methyl, 10mg