EPA Method 515.2Methyl Derivatives Back Catalog number: 30074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79349 Methidathion Price on request 677355 Fluorene, 100 µg/ml, Cyclohexane, 1ml Price on request 71094 1,1,1-Trichlorotrifluoroethane Price on request