EPA Method 507/525 Analyte Mix #1 Back Catalog number: 30082 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10379.25-100-AN d-Norpropoxyphene maleate,100 µg/mL,base aceton,1mL Price on request 678412 Fenpropathrin, 100 µg/ml, Acetonitrile, 5ml Price on request 9970.18 2-n-Pentylacridine, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request