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ENVIRONMENTAL HEALTH DEPARTMENT <br /> �a SAN JOAQUIN COUNTY <br /> Unit Supervisors <br /> ar i, Donna K.Heran,R.E.H.S. <br /> 304 East Weber Avenue Third Floor Carl Borgman,R.E.H.S. <br /> Director Mike Huggins,R.E.H.S.,R.D.I. <br /> AlOlsen,R.E.H.S. Stockton, California 95202-2708 <br /> • Douglas W.Wilson,R.E.H.S. <br /> cq. NSP Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> � Foa Laurie A.Cotulla,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> g g Mark Barcellos,R.E.H.S. <br /> JOHN ANDERSON <br /> PO BOX 1410 <br /> DAVIS CA 95617 <br /> RE: A.W. HAVES SITE CODE: 2546 <br /> 2005 NAVY DRIVE <br /> STOCKTON CA 95206 <br /> WORKPLAN: Workplan Additional Soil and Groundwater Investigation <br /> DATED: October 1,2003 <br /> PREPARED BY: Ramcon <br /> APPROVED ❑ with condition (See Below) <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN (H&S <br /> 25299.37,subd.(c)(3).): <br /> 1. Installation of 3 soil borings to 25 feet below surface grade (bsg) and 1 soil boring to 50 <br /> feet bsg to collect soil samples for laboratory analyses. <br /> 2. Convert borings to monitoring wells with 3 wells screened from bottom 15 feet and the <br /> deep well screened from bottom 5 feet. <br /> 3. Obtain well permit from this office and submit appropriate fee. <br /> COMMENTS AND CONDITIONS: <br /> 1. Commence work by November 20,2003. <br /> 2. Selection of samples for analyses must include this office's comment and agreement. <br /> 3. Analyses must include detection for cis-l,2-dichoroethylene (cis-1,2-DCE) and trans-1,2- <br /> dichoroethylene (trans-1,2-DCE) using EPA Method 8260. <br /> 4. Conduct quarterly sampling and submit quarterly reports as required under Tide 23 of <br /> the California Code of Regulations. /�, r, <br /> ( I <br /> DATED dC �' 2�� BY <br /> Cc: CRWQCB, Central Valley Region—James L. L.Barton <br /> G/ <br /> Cc: Ramcon—Mike Gereghty <br /> Cc: Calfee &Young—Kent N. Calfee <br /> 611 North Street,Woodland, California 95695-3237 <br />