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m-- <br /> i <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Donna K.Heran,R.E.H.S. Unit Supervisors <br /> 304 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> ? Director <br /> Al Olsen,R.R.H.S. Stockton California 95202-2708 Mike Huggins,R.E.H.S.,R.D.Z. <br /> •'•.�. - �- - -�• Douglas W.Wilson,R.E.1J.S. <br /> cQL!Foa�p Program Manager Telephone: (209)468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotulla,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> PAUL SUPPLE APR 18 20OZ <br /> ARCO PRODUCTS COMPANY <br /> PO BOX 6549 <br /> MORAGA CA 94570 <br /> RE: ARCO AM PM#5450 Site Code: 1296 <br /> 1617 W.Fremont St. <br /> Stac;ctou,CA <br /> San Joaquin County Environmental Health Department(EHD)has reviewed"Site Assessment Report" <br /> dated 10 April 2002,prepared by SECOR International Incorporated on your behalf. Based on the work <br /> completed in this report,EHD recommends that further site investigation is needed to determine the extent <br /> of soil and groundwater contamination.Groundwater monitoring wells must be installed to monitor <br /> impacted groundwater and determine direction of groundwater flow at this site. Also,a complete well and <br /> conduit survey must be conducted to identify potential receptors within 2000 feet of this site. <br /> A work plan to evaluate the vertical and lateral extent of impacted soil and groundwater, install monitoring <br /> wells,and to conduct well and conduit survey should be submitted to EHD by June 10,2002. Please <br /> contact Sam Savig;EHS at(209)468-3453 if you have questions regarding this letter. <br /> Donna Heran,RENS,Director <br /> Environmental Health Department <br /> Sam Savig,EHS Nuel C.Henderson,Jr.RG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> I <br /> cc: Marty Hartzell-CRWQCB <br /> John Bower-SECOR <br /> i <br /> I <br />