EPA Method 508 Pesticide Standard Back Catalog number: 92961 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79436 Biphenyl Price on request 14800-0125-50ME5 2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/ml in MeOH, 5ml Price on request 9022.4-100-AN 1,4-Dinitrosopiperazine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 69340-07-4 Price on request