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Californi; 1,egional Water Quality C Itrol Board <br />Central Valley Region <br />Katherine Hart, Chair <br /> <br />Linda S. Adams <br />Acting Secretary for <br />Environmental Protection <br />30 March 2011 <br />11020 Sun Center Drive, #200, Rancho Cordova, California 95670-6114 <br />(916) 464-3291 • FAX (916) 464-4645 Edmund G. Brown Jr. <br />http://www.waterboards.ca.govicentralvalley <br />RECEIVEDGovernor <br />APR 0 4 2011 <br />ENVIRONMENTAL HEALTH PERMIT/SERVICES <br />Mr. Jeffrey D. Wingfield <br />Environmental & Regulatory Affairs Department <br />2201 W. Washington Street, P.O. B ox 2089 <br />Stockton, California 95201 <br />MARITIME HIGHWAY CORRIDOR PROJECT— ROUGH & READY ISLAND, PORT WEST <br />COMPLEX, STOCKTON, SAN JOAQUIN COUNTY <br />California Regional Water Quality Control Board, Central Valley Region (Central Valley Water <br />Board) staff has reviewed the Work Plan for Well Destruction (Work Plan), received on <br />8 March 2011, and the revised Work Plan, received on 28 March 2011. Environmental Risk <br />Services Corporation prepared the documents on behalf of the Port of Stockton (Port). <br />Central Valley Water Board staff completed a conditional approval letter for the Work Plan on <br />24 March 2011. That letter indicated that staff approval would be granted after the Port <br />resubmitted the Work Plan, signed by a qualified professional engineer or geologist. The <br />revised Work Plan was signed by a qualified professional geologist. <br />The proposal to destroy the monitoring wells and piezometers is acceptable to Central Valley <br />Water Board staff. The Port must destroy the wells and piezometers in compliance with the <br />requirements of the San Joaquin County Environmental Health Department. <br />If you have any questions, please contact me at (916) 464-4675, or by email at <br />jbrownell@waterboards.ca.gov. <br />James R. Brownell, P.G. <br />Engineering Geologist <br />Site Cleanup Section <br />cc: Jose Salcedo, Department of Toxic Substances Control, Sacramento <br />NK-Pdlit-IneerNT1farrra7-San Joaquin Environmental Health Department, Stockton <br />Mark O'Brien, Environmental Risk Services Corporation, Walnut Creek <br />California Environmental Protection Agency <br />i?',Recycled Paper