EPA Method 515.2Methyl Derivatives Back Catalog number: 30074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1417.9-1G 4-n-Propylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 645-56-7 Price on request 79013 4,4’-Dibromooctafluorobiphenyl Price on request 11707.12-100-IO 3,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request