Hexaconazole, 100 µg/ml, Ethyl acetate, 5ml

pH 7.01 buffer solution (box of 25x20mL sachet)

N-Nitrosopiperidine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 100-75-4

2,8-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane