Anion Mix #3 Back Catalog number: 50174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92834 EPA Method 8141 Standard Price on request S699073 Sulfamethazine-13C6, 1mg Price on request 0205.30-200-T Tetrabenz[a,c,h,j]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-11-2 Price on request