EPA Method 8081A Pesticides QC Mix Back Catalog number: 92280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2834.5-50-ME 5H-Perfluoropentanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-72-7 Price on request 97031 8260Matrix Spike Price on request S-4343-2.5K-10ME Mineral Oil, Type A 2113,0 Truckdiesel Concentration: 2.5mg/ml in methanol 250mL in screwcap-bottles Price on request