EPA Method 507 Analyte Mix #1 Back Catalog number: 30182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3510.12-100 Tetradifon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 116-29-0 Price on request 11853.19-100-MEX5 Propargite,100 µg/mL ,MeOH,1mL, Price on request 97132 Resorcinol Price on request