EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml Back Catalog number: EPA-537PDSL-R1 Availability: In the manufacturer's stock Price on request - + Recommended FHEA 2-Perfluorohexyl ethanoic acid (6:2), 50µg/ml in Isopropanol, 1,2ml Price on request 71186 Chloropropylate Price on request 2685.12-K-IO Hexamethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87-85-4 Price on request