PCB No. 209, 10 ng/µl, 10ml

2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene

Hexahydro-1,3,5-tris(hydroxyethyl)triazine

Demeton-O, 100 µg/ml, Acetonitrile, 1ml