EPA Method 604.1 Analytes Back Catalog number: 40004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57103 Lithium (Li) Price on request 72091 Acetylsalycylic acid Price on request 11028.30-100-AN Diisoundecyl phthalate,100 µg/mL,acetonitrile,1mL, Price on request