EPA Method 531.1 - Analytes Back Catalog number: 30042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672976 Sulfanilamide, 250mg Price on request 90755 1,4-Dichlorobenzene-d4 Price on request LLIPFMESI Lithium bis(trifluoromethanesulfonyl)imide, 50µg/ml in MeOH, 1,2ml Price on request