EPA Method 8240A - Purgeable Surr Std Back Catalog number: 20002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2685.12-K-IO Hexamethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87-85-4 Price on request 12103.5-50MG Glufosinate,neat,neat,50mg, Price on request 83594 Pentachlorophenol Price on request