17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 1321.29-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 2134.21-K-IO Tri-m-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 563-04-2 Price on request DF-1248-S 1,2,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request EPA-1633STK EPA Method 1633 Native PFAS Stock Solution/Mixture, in MeOH, 1,2ml Price on request