Tetramethrin, 100 µg/ml, Acetonitrile, 1ml

4´-Hydroxydiclofenac, 10µg/ml in Acetonitrile, 5ml

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1

cis-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane