EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFAC-MXI Native N-Me/EtFOSA & N-Me/EtFOSE, in MeOH, 1,2ml Price on request H-199N 1,4-Dimethylnaphthalene, 10mg Price on request 673401 Oxadixyl, 100 µg/ml, Acetonitrile, 5ml Price on request