4-Chlorophenol, 100 µg/ml, Methanol, 5ml

N-Cyclohexyldimethylamine, 250mg

Diphenyl-o-tolyl phoshate,100 µg/mL,isooctane,1mL,

Octachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,