2,2’,3,3’,4,5-Hexachlorobiphenyl (129)

Malaoxon, 100 µg/ml, Toluene, 5ml

3ß,17ß(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-80-4

2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml