EPA Method 515.2Methyl Derivatives Back Catalog number: 30074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678403 Etofenprox, 100 µg/ml, Acetonitrile, 5ml Price on request 675150 Beflubutamid, 100 µg/ml, Acetonitrile, 5ml Price on request PCB-A10-CSH Extended Calibration/High Level Solution, 200ul, nonane Price on request