2-Chlorophenol-3,4,5,6-d4,1000 µg/mL,isopropanol,1mL,

D8-1,4-Dioxane, 100 µg/ml, Methanol, 1ml

N-Nitrosodiethylamine-d10, 1000µg/ml in dichloromethane, 1ml

3,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane