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California Aegional Water Quality Control Bard : : <br /> Central Valley Region i <br /> Robert Schneider, Chair <br /> TerryE 11 n n ,.__: <br /> Tamminen allt�'�Ehvyarzenegger <br /> Secretaryfor Sacramento Main Office Gavernor <br /> Environmental Protection Internet Address: http://www.swrcb.ca.gov/—mgcb5 <br /> 11020 Sun Center Drive,#200,Rancho Cordova,CA 956706114 AUG 2 6 2004 <br /> Phone(916)464-3291 •FAX(916)464-4780 <br /> ENVIRONMENT riEkL;ri <br /> PERMIT/SERVICES <br /> 10 August 2004 <br /> Richard Damilano <br /> Cherokee Freight Lines <br /> 5463 Cherokee Road <br /> Stockton, CA 95215 <br /> CONDITIONAL APPROVAL, GROUNDWATER MONITORING WELL INSTALLATION <br /> WORKPLAN, CHEROKEE FREIGHT LINES WASTEWATER TREATMENT SYSTEM, SAN <br /> JOAQUIN COUNTY <br /> I have reviewed the Groundwater Monitoring Well Installation Workplan,prepared by Nolte Associates, <br /> dated July 2004. The plan was required by a 10 June 2004 Notice of Violation(NOV). <br /> After reviewing the workplan, I have the following comments: <br /> — The monitoring wells are located in the land application area. It is preferable, when possible, to <br /> locate the upgradient well outside the land application area so that it won't be impacted by the <br /> wastewater application. Please review the location of Well MW-1 and determine if it can be <br /> placed outside the area where wastewater is applied. <br /> — If conditions in the borehole allow it, surging the filter pack prior to installation of the transition <br /> seal is recommended. <br /> The workplan is approved on the condition that the above comments are addressed in an addendum letter <br /> to be submitted prior to installation of the wells. The schedule for well installation and reporting <br /> presented in the workplan is acceptable. Please submit the well installation report of results by <br /> 24 September 2004. If you have any questions on this conditional approval, please telephone me at <br /> (916) 464-4616. <br /> TIMOT !R. O'BRIEN <br /> Waste Discharge to Land Unit <br /> cc: Mike Huggins, San Joaquin County Environmental Health Department, Stockton <br /> Mike Anderson,Nolte Associates, Sacramento <br /> California Environmental Protection Agency <br /> WtN nchWu lopuin%CkWktt F¢igM1Mamilu IU Augwl o4.doa <br /> 4d Recycled Paper <br /> :k <br />