EPA Method 500 Internal Standard #6 Back Catalog number: 30169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50704 EPA Method 300.0 Anions Price on request MPFHXA Perfluoro-n-[1,2-13C2]hexanoic acid, 1.2ml x 50ug/ml, methanol Price on request 2047.6-K-ME 1-Chloro-4-fluorobenzene, Internal standard for Gasoline Range Analysis, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352-33-0 Price on request