EPA Method 551.1 Internal Standard Back Catalog number: 30103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2168.12-200-T 4'-Fluoro-2,2',3,3',4,5,5',6,6'-nonabromodiphenyl ether,200 µg/mL,toluene,1mL, Price on request 2147.8-50-ME 6:2 FTOH, 50µg/ml in MeOH, 1ml Price on request 91946 Volatile Mix 524.2 Price on request