EPA Method 525Mixes Back Catalog number: 30034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9290.16-100-MEX5 Tramadol-d6 hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request C-IADN-SET IADN Congener Set ((C-IADN-01/02/03), 3 x 1ml Price on request 3103.12-50-IO 2,2',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-37-4 Price on request