3-Methylfuran-d3, 5mg

alpha-HCH-d6, 10µg/ml in Cyclohexane, 5ml

Fenthion-oxon, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene