Phenmedipham, 100μg/ml in MeOH, 5ml

CONOSTAN 1000ppm Standard, Cr, 50g

Perfluorooctane sulfonic acid, 100 ng/µl, 1ml

N-Ethyl-N-(2-hydroxyethyl)nitrosamine,1000 µg/mL,acetonitrile,1mL