2,3',5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2

1,2,4,5-Tetramethylbenzene

3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene