EPA Method 8240A Mix #3 Back Catalog number: 82423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58059 Praseodymium (Pr) Price on request 677772 Ethalfluralin, 250mg Price on request 11436.19-100-IO Diphenyl-p-tolyl phosphate,100 µg/mL,isooctane,1mL, Price on request