EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2823.10-50-ME n-Perfluorodecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-76-2 Price on request 79685 Systhane Price on request 678144 1,3,5-Trichlorobenzene, 250mg Price on request