EPA Method 502/524 Surrogate Standard #2 Back Catalog number: 19267 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673242 Cyazofamid, 10.0 µg/ml, Acetonitrile, 10ml Price on request 72814 Roxithromycin Price on request PFTRDA Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Price on request