EPA 1620 Standard 2 Back Catalog number: 52140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66087 2,2',3,4,5'-Pentachlorobiphenyl (87) Price on request 672883 Propoxur, 250mg Price on request 676444 Dimetridazole-2-hydroxy, 50mg Price on request