EPA Method 551.1 Surrogate Standard Back Catalog number: 30102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2786.14-100-AN 3,3'-Dimethylbenzidine,100 µg/mL,acetonitrile,1mL, Price on request 11196.4-2K-ME 5-Flucytosine,2000 µg/mL,MeOH,1mL, Price on request 9760.17-50MG Fluoxetine Price on request