2,2',3,3',4,5',6,6'-Octachlorobiphenyl (201) Back Catalog number: 66201 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30031 EPA Method 525 - Internal Standard Price on request 675732 Trichloronate, 10 µg/ml, Ethyl acetate, 10ml Price on request H828602 Hydroxy Atrazine-d5, 1mg Price on request