4-Nitrophenol, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Aroclor 1248

3-Chlorofluoranthene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 25911-51-7