01598nam a2200397 a 4500 ebr10522352 CaPaEBR m u cr cn||||||||| 081021s2009 coua sb 001 0 eng d 2008044305 1583215883 9781583215883 9781613000816 (e-book) CaPaEBR CaPaEBR (OCoLC)701865888 TD451 .L38 2009eb 628.1/66 22 Lauer, Bill. Chemical feed field guide for treatment plant operators [electronic resource] : calculations and systems / by William C. Lauer, Michael G. Barsotti, and David K. Hardy. Denver, Colo. : American Water Works Association, c2009. xiii, 159 p. : ill. Includes bibliographical references (p. 151-152) and index. Electronic reproduction. Palo Alto, Calif. : ebrary, 2012. Available via World Wide Web. Access may be limited to ebrary affiliated libraries. Drinking water Purification Materials. Drinking water Purification Mathematics. Feedstock. Materials handling Mathematics. Engineering mathematics Formulae. Chemical process control. Electronic books. local Barsotti, Michael G. Hardy, David K. ebrary, Inc. http://site.ebrary.com/lib/rucke/Doc?id=10522352 An electronic book accessible through the World Wide Web; click to view 238413 238413