Semi-Volatile Standard

5,5'-Difluoro-2,2',4,4'-tetrabromodiphenyl ether (2,2',4,4'-Tetrabromo-5,5'-difluorodiphenyl ether), 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 886748-32-9

2,2',4-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,

p,p'-(13C12)Methoxychlor, 100µg/ml in Nonane, 1,2ml