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Records 26 to
37
of 37 records from author Ralph Ludwig
2003
Ludwig*, R, C. Su, S Acree*, R R. Ross*, F P. Beck*, P J. Clark*, AND P K. Jones*. IN-SITU CR(VI) SOURCE AND PLUME TREATMENT USING A FERROUS IRON BASED REDUCTANT. RTDF Meeting, Niagara Falls, NY, 10/15-16/2003.
Ludwig*, R, C. Su, S Acree*, R Ross*, F P. Beck*, P J. Clark*, AND P K. Jones*. IN-SITU CR(VI) SOURCE AND PLUME TREATMENT USING A FERROUS IRON-BASED REDUCTANT. Presented at RTDF Meeting, Niagara Falls, NY, 10/15-16/2003.
Ludwig*, R AND C. Su. INJECTION OF A FERROUS SULFATE/SODIUM DITHIONITE REDUCTANT FOR IN-SITU TREATMENT OF HEXAVALENT CHROMIUM. Presented at 7th ICOBTE Conf, Uppsala, SWEDEN, June 15 - 29, 2003.
2002
Ludwig*, R, R. G. McGregor, D. W. Blowes, S. G. Benner, AND K. Mountjoy. A PERMEABLE REACTIVE BARRIER FOR TREATMENT OF HEAVY METALS. GROUND WATER 40(1):59-66, (2002).
Wilkin*, R T., A L. Wood*, R W. Puls*, S C. Mravik*, E L. Davis*, R Ludwig*, S Acree*, F P. Beck*, C J. Paul*, AND T R. Lee*. GROUND WATER REMEDIATION RESEARCH: PERMEABLE REACTIVE BARRIERS AND SOURCE ZONE REMEDIATION. Presented at NAPL Seminar, Chicago, IL, December 10 - 12, 2002.
Ford*, R G., R Ludwig*, C J. Paul*, R W. Puls*, AND R T. Wilkin*. REMEDIATION AND PROTECTION OF GROUND WATER FROM CONTAMINATION BY ARSENIC. Presented at EPA Science Forum 2002, Washington, DC, 05/01/-02/2002.
McGregor, R., S. Hansler, V. Kovac, E. Laratta, D. W. Blowes, AND R Ludwig*. THE USE OF A PRB TO TREAT GROUNDWATER IMPACTED BY COAL-COMBUSTION BY-PRODUCTS. Remediation of Chlorinated and Recalcitrant Compounds-3rd Int'l. Conf, Monterey, CA, 05/20-23/2002.
2001
Ludwig*, R. SITE CHARACTERIZATION AND REMEDIATION TECHNOLOGY TRANSFER WITHIN USEPA'S OFFICE OF RESEARCH AND DEVELOPMENT. BRITISH NEWSLETTER CL:AIRE, 2001.
2000
Ludwig*, R, K. Mountjoy, R. McGregor, AND D. W. Blowes. TREATMENT OF HEAVY METALS USING AN ORGANIC SULFATE REDUCING PRB. Second International Conf on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA, May 22-25, 2000.
Ludwig*, R, D. W. Blowes, K. Mountjoy, AND R. McGregor. TREATMENT OF HEAVY METALS USING AN ORGANIC SULFATE REDUCING PRB. Presented at 2nd Intl. Conf. on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA, 05/22-25/2000.
1999
McGregor, R., E. Pringle, D. W. Blowes, M. Pomeroy, AND R Ludwig*. REMEDIATION OF A HEAVY METAL PLUME USING A REACTIVE WALL. Presented at 5th Intl. Symp. on In-Situ and On-Site Bioremediation, San Diego, CA, 04/19-22/1999.
1990
Ludwig*, R D., R. L. Drake, AND D. A. Sternitzke. AGRICULTURAL DRAINAGE WELLS: IMPACT ON GROUND WATER. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/8-90/054 (NTIS 90-252644), 1990.