EPA Method 507 - Performance Check Solution Back Catalog number: 19030 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2017.6-1ML Fluorobenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 462-06-6 Price on request 11247.14-100-AN Bifenox-d3 (2,4-dichlorofenoxy-d3),100 µg/mL,acetonitrile,1mL, Price on request 3847.6-K-IP Resorcinol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 108-46-3 Price on request