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California opgion al Water Quality Con l Board <br /> Central Valley Region <br /> Karl E. Langley,ScD,P.E.,Chair <br /> Arnold <br /> Linda Adams 11020 Sun Center Drive k200,Rancho Cordova,California 95670-6114 Schwarzenegger <br /> Secretaryfor Phone(916)464-3291 •FAX(916)4644645 <br /> http://www.waterboards.ca.gov/ en OvalGovernor <br /> Environmental �In�n^S,� � 1 <br /> u ❑ «le <br /> Protection <br /> u u �L <br /> APR 0 6 609 <br /> 3 April 2009 <br /> ENVIRONMENT HEALTH <br /> PERMIT/SERVICES <br /> Stephen Salvatore ��// L7 <br /> City of Lathrop /�( .� /�0t) <br /> 390 Towne Centre Drive C,1 0,' <br /> Lathrop, CA 95330 04 <br /> 101 <br /> CONDITIONAL APPROVAL, GROUNDWATER WELL PROJECT DESCRIPTION <br /> ADDENDUM FOR MONITORING WELL INSTALLATION, CITY OF LATHROP, SAN <br /> JOAQUIN COUNTY <br /> I have reviewed the 27 January 2009 Groundwater Well Project Description Addendum for <br /> Monitoring Well Installation, prepared by ENGEO, Inc. and determined it is acceptable with the <br /> following clarifications: <br /> • Please describe where the development purge water will be discharged. If the discharge <br /> will occur at the well site, it must be performed in accordance with the Regional Water <br /> Board Resolution R5-2008-0182, Waiver of Reports of Waste Discharge and Waste <br /> Discharge Requirements for Specific Types of Discharge Within the Central Valley Region <br /> (available at: http://www.waterboards.ca.govlcentralvalley/board <br /> decisions/adopted orders/waivers/r5-2008-0182_res.pdf). <br /> • Please include a Well Installation Report submittal schedule that is consistent with the City <br /> of Lathrop's Waste Discharge Requirements. The schedule is presented in Provision <br /> G.1.i.iii; the report is due on 2 July 2009. <br /> Please address the items listed above in a workplan addendum before implementing the work. <br /> If you have any questions, please contact me at (916) 464-4616. <br /> TIMOTHY R. O'BRIEN <br /> Waste Discharge to Land Unit <br /> cc: Rodney Estrada, San Joaquin County Environmental Health Department, Stockton <br /> California Environmental Protection Agency <br /> prd Recycled Paper <br /> W:\SIetWLnanPSan JoequinLLalhmp WNRPWiBR6MGO\Salvalo,e]Apr 09.Ogc <br />