2,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

4-Hydroxychrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 63019-40-9

Aldrin, 100 µg/ml, Methanol, 1ml

Perfluorooctadecanoic acid, 50mg