Initial Check Verif. Standard 4, in 4%HNO3, 100ml

2,2',3,4,4'-Pentabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 182346-21-0

EPA Method 551.1 Internal Standard

N-Methyl-N-nitrosobenzylamine,1000 µg/mL,acetonitrile,1mL,