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California10Central Valley Region Water Quality Cont0l Board <br /> Karl E. Longley,ScD, P.E.,Chair <br /> Linda S.Adams Arnold <br /> Lin <br /> SS. dor Sacramento Main Office Schwarzenegger <br /> Environmental 11020 Sun Center Drive P200,Rancho Cordova,California 95670-6114 Governor <br /> Protection Phone(916)464-3291 •FAX(916)464-4645 <br /> h"p://www.waterboards.ca.gov/centralvalley <br /> ROMMINED <br /> 14 January 2008 JAI') 1 5 2003 <br /> ENVIhululvILN I tJLEALTH <br /> PERMIT/SERVICES <br /> Jim Kluesner <br /> Neenah Paper, Inc. <br /> Ripon Mill <br /> 942 South Stockton Avenue <br /> Ripon, California 95366 <br /> REVIEW OF THIRD QUARTER 2007 GROUNDWATER MONITORING REPORT, RIPON <br /> MILL, NEENAH PAPER, INC., RIPON, SAN JOAQUIN COUNTY <br /> The Regional Water Quality Control Board (Regional Water Board) staff has reviewed the 3rd <br /> Quarter 2007 Groundwater Monitoring Report for the Ripon Mill. Monthly reports indicate that <br /> effluent TDS levels continue to be discharged to Aeration Stabilization Ponds #1 and #2 below <br /> the discharge limits set forth in Waste Discharge Requirements No. 5-01-148. However, <br /> groundwater beneath the site continues to be impacted by past and current discharges to <br /> land. TDS levels in the semi-perched and intermediate aquifers continue to be reported above <br /> the established water quality objectives in violation of Waste Discharge Requirements No. <br /> 5-01-148. <br /> The Discharger performed corrective action at the site during June through August 2007. <br /> Approximately 135 acre-feet of South San Joaquin Irrigation District water were applied to the <br /> East Percolation Field. Effects of the corrective action will be evaluated in the 4th <br /> Quarter/Annual Report. Please review the attached Monitoring and Reporting Checklist. <br /> If you have any question please call me at (916) 464-4737. <br /> Todd A. Del Frate <br /> Engineering Geologist <br /> Waste Discharge to Land Unit <br /> Lower San Joaquin River Watershed <br /> Enclosure(s) <br /> M. Margaret Lagorio/Ray Von Flue, San Joaquin County Environmental Health <br /> David L. Kirk, Lawrence & Associates <br /> CIWQS VID#709949 <br /> California Environmental Protection Agency <br /> �a Recvcled Paper <br />