EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MCDE-61 2,3,4,5-Tetrachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 72395 Isomaltose Price on request 71899 Cyprodinil Price on request