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

3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile,

Phthalic acid ester - Mix 7, 1000g/ml in IO, 5ml

PCB No. 209 10 µg/mL in Isooctane, 10ml