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. , <br /> ; . <br /> LDwj ( D G . Brlowin <br /> OPM <br /> c u , r o n w r e � MCH nur ROOaIUU<Z <br /> Nater Boards <br /> Central Valley Regional Water Quality Control Board <br /> Ben Terry 23 April 2013 <br /> Chevron Environmental Management <br /> 6111 Bollinger Canyon Road , Rm , 3652 <br /> San Ramon , CA 94583 <br /> DOCUMENT REVIEW FOR COMMINGLED PLUME ACCOUNT CP0057 SITES AT <br /> 440 (TEXACO — SHELL, RB #390268) / 441 (ARCO, RB #390657) / 508 (CHEVRON, <br /> RB #390876) W. CHARTER WAYAND 1444 S. LINCOLN STREET, (COLUMBO/TOSCANA <br /> BAKERY, RB #390825) STOCKTON, SAN JOAQUIN COUNTY <br /> I reviewed the Remedial System Installation and Startup Report (Report) , received <br /> 15 April 2013 from Stantec , the lead consultant for the above sites , The Report documented the <br /> installation and intermittent startup of the full scale Soil Vapor Extraction (SVE ) and Air Sparging <br /> (AS ) system from 1 October 2012 through 14 March 2013 at the Chevron facility. Five (5 ) <br /> additional SVE wells (V&2 through V&6) and ten ( 10) additional AS wells (AS - 3 through <br /> AS- 12) were installed during October 2012 . The piping and treatment system <br /> compound/module were installed between 19 November 2012 and 15 February 2013 . <br /> The paper copy of the Report also included a CD- ROM of the detailed Operations and <br /> Maintenance Manual for the SVE/AS treatment system startup , running , and restart protocols ; <br /> the Health and Safety Plan ( Stantec and subcontractors) ; the As-Built Plans for the construction <br /> of the SVE/AS system ; the Manufacturer's Specification Sheets ; and the Well Logs. The Report <br /> stopped on 14 March 2013 at the required shutdown required after the initial soil vapor <br /> treatment system effluent sampling for the San Joaquin Valley Air Pollution Control District <br /> permit. The Report stated the first three monthly status reports, which are due 15 May 2013 , <br /> 15 June 2013 , and 15 July 2013 , will provide details of the continuous operations and the <br /> optimization of the SVE/AS system . Subsequent semi -annual monitoring reports and quarterly <br /> status reports will continue reporting the operation of the SVE/AS treatment system , including <br /> the petroleum hydrocarbons mass removed per quarter. <br /> Please include the SVE/AS system information for the period of 15 March to 31 March 2013 in <br /> the next monthly status report . You may also include the 15 July 2013 status report in the <br /> 30 July 2013 monitoring report . If you have any questions , you can contact me at <br /> (9 ) 4644615 or I can be reached by e-mail at ibarton (cDwaterboards . ca . aov . <br /> 'James L . L . Barton P . G . / D <br /> Engineering Geologist APR 2 G 2013 <br /> cc : See CP0057 Distribution List (3y <br /> KARL E . LONGLEY Sc D , P . E . , CHAIR I PAMELA C . CREEDON P . E . . BCEE , mo UTIVE OFFICER <br /> 11020 Sun Canler Drive #200 , Rancho Cordova , CA 95670 I www .waterbo ards .ca , gov/cen l raiv alley <br /> (.L ncC 'Cctn rnrcn <br />