EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11278.12-100-AN Pyrimethanil-d5 (phenyl-d5),100 µg/mL,acetonitrile,1mL, Price on request 10018R EPA Method 8270A - Analytes Mix #8 Price on request 3501.9-100-AN Sebuthylazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 7286-69-3 Price on request