EPA Method 507 Surrogate Standard Back Catalog number: 19049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676214 Dinoseb, 10 µg/ml, Acetonitrile, 10ml Price on request 10779.8-K-IO 1,2-Dibromoethylbenzene,1000 µg/mL,isooctane,1mL, Price on request 50280 Anion Standard Price on request