2,4,4',5-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

4-Hydroxyphenylacetic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 156-38-7

13C6-Hexachlorobenzene, 100 µg/ml, Cyclohexane,

Benzo[b]fluoranthene, 10mg