Calibration Verification Solution , 1ml, nonane Back Catalog number: EPA-8290HRCC3 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2258.12-50-IO 3'-Fluoro-2,4-dibromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 675953 D7-Benzyldimethyloctadecylammonium chloride, 10mg Price on request EPA-23IS Internal Standard Solution, 1.2ml, nonane Price on request