EPA Method 23 Calibration Kit, 5 ampoules, nonane Back Catalog number: EPA-23CS1-5 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 8218.14-K-AN n-Heptanal-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 0340.14-K-IO Chamazulene, 1000µg/mL, Solvent- isooctane, Unit 1mL, # of units-1, Cas.no. 529-05-5 Price on request 676957 Perfluorooctadecanoic acid, 50mg Price on request