EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675699 5-Chloro-2-methyl-4-isothiazoline-3-one, 25mg Price on request 8459.9-100-AN Propanil Price on request CFN98681 Genistein, >98%, 20mg Price on request