EPA Method 551Mix “A” Back Catalog number: 30094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66200 2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200) Price on request 3659.6-1G 1,4-Dibromobenzene Price on request 681394 Bromoxynil-methyl ether, 50mg Price on request