EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended T34DMPP Tris(3,4-dimethylphenyl) phosphate, 1.2ml x 50ug/ml, toluene Price on request 12009.8-100-ME (+/-)-Normetanephrine-?,ß,ß-d3 hydrochloride,100 µg base/mL,MeOH,1mL, Price on request 11262.12-100-AN Hexazinone-d6 (dimethyl-d6-amino),100 µg/mL,acetonitrile,1mL, Price on request