EPA Method 524 & 624 - Internal Standard Back Catalog number: 19794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2163.12-50-T 3-Fluoro-2,2',4,4',6-pentabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 887401-80-1 Price on request SC-504735 Cefepime-D8 Sulfate, 1mg Price on request 3143.18-K-IO Octadecanoic acid (Stearic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 57-11-4 Price on request