Difenacoum, 10 µg/ml, Acetonitrile, 10ml

2,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene

2,3,3',4,5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

tert-Amyl methyl ether