2,4,4’-Trichlorobiphenyl (28)

EPA Method 537 Surrogate Primary Dilution Standard (SUR PDS), 1.2ml, methanol

3,6-Difluoro-2,2',4,4',5-pentabromodiphenyl ether (2,2',4,4',5-Pentabromo-3,6-difluorodiphenyl ether), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 886748-34-1

S-4543-20-DCM-5X1ML Naphthalene Mix, 20µg/mL in dichloromethane, 5 x 1ml