EPA Method 502/524 Volatile Standard Back Catalog number: 97985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71874 2-Isopropylnaphthalene Price on request 71907 1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Price on request 685300 Clethodim-sulfoxide, 100 µg/ml, Acetonitrile, 1m Price on request