EPA Method 601 Purgeable Halocarbons Back Catalog number: 40000 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70137 1,2-Dichloroethane-d4 Price on request 50437 ICP Mix #2 Price on request 1347.7-7.5MGX20 3,4-Dimercaptotoluene, neat, Solvent-neat, Unit 7.5mg, # of units-20, Cas.no. 496-74-2 Price on request