EPA Method 8260B Purgeable Internal Standard Back Catalog number: 28013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57183 Bismuth (Bi) Price on request 63196 2,2',3,3',4,4',5,6'-Octachlorobiphenyl (196) Price on request 73688 Bifenazate Price on request