Tetraconazole, 10 µg/ml, Ethyl acetate, 10ml

PCB No. 81, 10µg/ml in Isooctane, 10ml

Sulfosulfuron, 100µg/ml in Acetonitrile, 1ml

1,1,1,2-Tetrachloroethane, 2000µg/ml in MeOH, 1ml