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Californiq§egional Water Quality Catrol Board <br /> l\- Central Valley Region `s <br /> vx <br /> Katherine Hart, Chair <br /> nd G.Brown Jr. <br /> Linda S. Adams 11020 Sun Center Drive#200, Rancho Cordova,California 95670-6114 <br /> Acting Secretary for Phone(916)464-3291 -FAX(916)464-4645 /V_® <br /> Environmental Protection http://www.waterboards.ca.gov/pentralvalley <br /> VuiV <br /> 15 June 2011 y 2011 <br /> Ernest P. Giannecchini RM Isi4v,F�rR <br /> Ernie's General Store <br /> 4407 Waterloo Road <br /> Stockton, CA 95215 <br /> DOCUMENT REVIEW, ERNIE'S GENERAL STORE, 4407 EAST WATERLOO ROAD, <br /> STOCKTON, SAN JOAQUIN COUNTY(RB #390796) <br /> 1 reviewed the Well Destruction Work Plan (Workplan), received 13 June 2011 from <br /> your consultant Advanced GeoEnvironmental, Inc. The Workplan proposes to abandon <br /> five monitoring wells (MW-1 through MW-5) and six remediation wells (VW-1 through <br /> VW-6). Wells MW-1 though MW-4 will be removed by overdrilling and the borings will <br /> be tremie grouted to surface with neat cement. Well MW-5 and soil vapor extraction <br /> (SVE) wells VW-1 through VW-6 will be pressure grouted to surface with neat cement. <br /> The Workplan states the SVE piping connected to VW-1 through VW-6 will be left in <br /> place, although there is no mention whether the SVE piping will be pressure grouted. <br /> The San Joaquin County Environmental Health Department (SJCEHD) Standards For <br /> Well Construction and Destruction will be followed by the licensed drillers during <br /> fieldwork. The surface of each well boring will be restored to match pre-existing <br /> materials. <br /> The Workplan is conditionally approved as follows: <br /> • MW-1 through MW-3, when last sampled for groundwater, were not impacted by <br /> petroleum hydrocarbons. In order to reduce the cost to the State, please contact <br /> SJCEHD to confirm whether these wells may also be pressure grouted. <br /> • Also confirm with SJCEHD whether the SVE piping needs to be pressure grouted. <br /> • Provide a schedule by email to me for the fieldwork by 30 June 2011. <br /> If you have any questions, you can contact me at (916) 464-4615 or I can be reached <br /> by e-mail at ibarton(a)waterboaa(rds.ca.gov. <br /> r"James L.L. Barton, P.G. <br /> C Engineering Geologist <br /> cc: Lori Duncan, San Joaquin County Environmental Health Department, Stockton <br /> Arthur Deicke, Advanced GeoEnvironmental Inc., 837 Shaw Rd., Stockton 95215 <br /> California Environmental Protection Agency <br /> %dRecycled Paper <br />