2,3',4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Propionic acid-ethyl ester, 250mg

7-Nitrobenz[a]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20268-51-3

2-Phenylphenol, 100 µg/ml, Acetonitrile, 5ml