4'-Fluoro-2,3,3',4,5,6-hexabromodiphenyl ether

4H-Cyclopenta[def]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203-64-5

1,3-Diethyl-1,3-diphenyl urea

EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml