EPA Method 509 Internal Standard

EPA 527Mix 3, BDE Congeners and Hexabromobiphenyl 5 Analytes, each 50µg/mL in Isooctane:Ethyl acetate (8:2); unit: 1x1mL 3108.12 2,2’,4,4’,5,5’-Hexabromobiphenyl PBB-153 [59080-40-9] 1962.12 2,2’,4,4’-Tetrabromodiphenyl ether BDE-47 [5436-43-1] 196

1,2,4,5,8-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Caffeic Acid-13C3, 1mg