More about Bob A. Hegg:
| | Books by Bob A. Hegg: Books in the extended shelves: Hegg, Bob A.: A demonstrated approach for improving performance and reliability of biological wastewater treatment plants (Envionmental Protection Agency, Office of Research and Development, [Office of Energy, Minerals, and Industry], Municipal Environmental Research Laboratory ;, 1979), also by James R. Schultz, Kerwin L. Rakness, inc M & I, and Municipal Environmental Research Laboratory (page images at HathiTrust) Hegg, Bob A.: Evaluation of operation and maintenance factors limiting municipal wastewater treatment plant performance : phase II (Cincinnati, Ohio : Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1980., 1980), also by Larry D. DeMers, James R. Schultz, Kerwin L. Rakness, Municipal Environmental Research Laboratory, and inc M & I (page images at HathiTrust) Hegg, Bob A.: Evaluation of operation and maintenance factors limiting municipal wastewater treatment plant performance (Environmental Protection Agency, Office of Research and Development, [Office of Energy, Minerals, and Industry], Municipal Environmental Research Laboratory ;, 1979), also by James R. Schultz, Kerwin L. Rakness, Municipal Environmental Research Laboratory, and inc M & I (page images at HathiTrust) Hegg, Bob A.: Evaluation of pollution control processes : Upper Thompson Sanitation District (Cincinnati, Ohio : Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1980., 1980), also by Robert H. Cheney, Larry D DeMers, Kerwin L. Rakness, Municipal Environmental Research Laboratory, and inc M & I (page images at HathiTrust) Hegg, Bob A.: Optimizing water treatment plant performance using the composite correction program. (Technical Support Center, Standards and Risk Management Division, Office of Ground Water and Drinking Water, Office of Water :, 1998), also by Center for Environmental Research Information (U.S.) and United States. Environmental Protection Agency. Office of Ground Water and Drinking Water. Technical Support Center (page images at HathiTrust)
Find more by Bob A. Hegg at your library, or elsewhere.
|