EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70034 Benzoic acid Price on request 70495 2-Acetylaminofluorene Price on request 12159.41-12.4-MX Nodularin-R,12.4 µmol/L,water:MeOH=1:1,1mL, Price on request