EPA Method 8240A - Ketones Back Catalog number: 82425 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2689.34-10UG 17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1 Price on request 71583 2,3,6-Trichlorophenol-PFB derivative Price on request 71814 Decahydronaphthalene (Decalin) Price on request