EPA Method 8260B Surrogate Standard Back Catalog number: 23112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended T795350 3,3’,5’-Triiodo-L-thyronine, 10mg Price on request 66158 2,3,3',4,4',6-Hexachlorobiphenyl (158) Price on request 71152 2-Methylphenanthrene Price on request