(-)-Nicotine, 100 µg/ml, Methanol, 1ml

Isocarbophos, 100 µg/ml, Acetonitrile, 1ml

Mass-Labelled PCB Solution, 1.2ml x 100ng/ml, nonane

Diphenyl-o-tolyl phoshate,100 µg/mL,isooctane,1mL,