Imidacloprid,100 µg/mL,acetonitrile,1mL,

2,3,3',4,4',5,5',6-Octabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Simazine, 100µg/ml in Methanol, 1ml

4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,MeOH,1mL,