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California&gional Water Quality Conol Board <br /> ` \- Central Valley Region <br /> v Ok <br /> Karl E.Longley,ScD,P.E.,Chair <br /> Linda S.AdemsM 20 Sun Center Drive#200,Rancho Cordova,California 9567&6114 Arnold <br /> Secretaryjor Phone(916)464-3291 •FAX(916)464-4645 Schwarzenegger <br /> Environmental http://www.watabouds.ca.gov/centralvalley Governor <br /> Protection JUN 0 2 2009 <br /> ENVIRONMENT HEALTH <br /> 29 May 2MMIT/SERVICES <br /> Mr. Sergio Morescalchi, Environmental Business Manager Mr. Gurpreet and Ms. Kuldeep Dhat <br /> Atlantic Richfield Company 501 S. Cherokee Avenue <br /> P.O. Box 1257 Lodi 35240 <br /> San Ramon 94583 <br /> DOCUMENT REVIEW, FORMER ARCO#0760, 225 S. CHEROKEE LANE, LODI, <br /> SAN JOAQUIN COUNTY(REGIONAL BOARD CASE#390330) <br /> 1 reviewed the Workplan for Well Destruction (Workplan), received 21 May 2009 from your consultant <br /> Stantec Consulting Corporation. The Workplan proposes destruction of 22 wells located at your Site, <br /> and also includes a draft Fact Sheet and List of Interested Parties with addresses for Public <br /> Participation. <br /> The Workplan states that, after removing the first 3' of soil/surface completion over the well casing by <br /> overdrilling, the well destructions will be.accomplished by either of the following: <br /> Leaving 6" of well casing above the 3' below ground surface (bgs) initial boring, pressure <br /> grouting wells (MW-4, MW-7, MW-9, VP-3, VW-1 through VW-5, and VW-7 through VW-11) up <br /> the well to top of casing, then finishing with a concrete mushroom cap and native/paving <br /> material to grade, or <br /> • By overdrilling to total well depth (MW-1 through MW-3, MW-5, MW-6, MW-8, VP-2, and VP-4) <br /> and tremie concrete grouting from the bottom up the boring to 3' bgs, and then finishing with a <br /> concrete mushroom cap and native/paving material to grade. <br /> The Fact Sheet for public participation duplicates the header from the Regional Water Board's letters, <br /> and then provides most of the information requested for the Fact Sheet in my 2 April 2009 letter. <br /> The List of Interested Parties (Table 4 Participation Information Reference Table) provides the <br /> addresses of parcels within 200' of the site, and the names and addresses of the owners of the <br /> parcels. The City of Lodi is also listed in Table 4. <br /> Comments: <br /> 1. Please note that the San Joaquin County Environmental Health Department will issue the <br /> destruction permits for the wells. Contact Harlin Knoll, (209) 468-3442 to obtain concurrence <br /> for the proposed methods with their well destruction ordinance, and submit the application and <br /> fees for the permit. <br /> 2. After Public Participation has been completed and any adverse comments have been <br /> adequately addressed, you will receive final approval to abandon wells from Regional Water <br /> Board staff. <br /> California Environmental Protection A.-enc <br /> ea Recycled Paper <br />