Deltamethrin, 10.0 µg/ml, Cyclohexane, 10ml

Bentazone, 1000 µg/ml, Methanol, 1ml

N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol

Perfluoro-n-[1,2,3,4,5-13C5]nonanoic acid, 50µg/ml in MeOH, 1,2ml