2,3-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Toxaphene

n-Hydrocarbon Mix C8 - C40, 1000µg/ml in in MeCl2 : CS2 [3:1], 1ml

Naptalam, 100 µg/ml, Acetone, 1ml