Supplemental Calibration Solution, 500ul, nonane Back Catalog number: EPA-8290HRCC0.5 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended L429-AS Method 429 Alternate Standard Stock Solution, 1.2ml, isooctane Price on request CA15986810 Perfluoroethanesulfonic acid, 10mg Price on request 8972.43-100-ME 3-Chloro-1,2-propandiol-diarachidate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request