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-RVItE5 o�.•U'" .e <br /> PT LIC a: :� <br /> v COUNTY y. <br /> SAN jOAQUIN �, :. <br /> ENVIRONMENTAL HEALTH <br /> Health DIVISION <br /> Karen Furst, M.D., M.P.H., <br /> officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> FEB 0 a 1M <br /> BRUCE MC CANDLESS <br /> RIPON FARM SERVICE <br /> PO BOX 806 <br /> RIPON CA 95366 <br /> SITE CODE: 1605 <br /> RE: Ripon Farm Service <br /> 22871 South Highway 99 <br /> Ripon CA <br /> al uarterl Report -June 1997' dated <br /> in County Public Health Services,Environmental Health Division (PHS/EHD) as <br /> San Joaqu <br /> completed review of the Advanced GeoEnvironm7. P <br /> s also <br /> the <br /> July 1 o, 1997 and received on September S, 1997• PHS/EHD ha1997 and received O dvanced <br /> July <br /> nvironmental "Work Plane Addenhas the dum' <br /> g CO dated September <br /> for your consideration andGeoj <br /> September 12, 1997. PHS/EH <br /> response. gg possible <br /> hs which were included with the June quarterly report suggest some <br /> The grail een depth to water and contaminant concentrations. PHS/EHD will closely <br /> correlation betty p <br /> observe whether the correlation is valid as additional monitoring results become available. <br /> The results of the O <br /> ctober 1, 1997 sampling event have not been submitted. Please submit the <br /> fourth quarter 1997 monitoring report immediately. <br /> the installation of three off site monitoring wells,and two air <br /> The work plan proposed lan indicated that the borings that will be <br /> in wells will be drilled to an approximate total depth of 30 feet below <br /> sparge/soil vapor to taction wells.The work p taction wells will be drilled to an <br /> completed as monitoring drilling lin of a <br /> ground surface {bgs) while the air sparge and vapor extthe <br /> ) h feet bgs. The addendum als the°proposed <br /> extent of soil c�ntamina on. <br /> approximatedepth <br /> soil boring to depths in excess of 60 feet to determine rty and Bill Little <br /> on of the off site monitoring well farthest from <br /> During <br /> the October 1, 1997 site inspection, PSS/EHD discussed with Bob Ma <br /> the proposed work plan in regards to the oca planwork be submitted that. <br /> the site. PHS/EHD requested that an amendment <br /> he request d man taring wellonal well at this <br /> provided additional information, g install an <br /> PHS/EHD requested that the well be cell fume definition <br /> e fi than <br /> should be provided. <br /> time. If the well is relocated,additional p evidenced in B-13 located at the most <br /> Currently,the extent of the contamination that was <br /> eastern edge of the investigation,remains undefined. <br /> EHD has not received this amendment nor have permit applications with the appropriate <br /> PHS/ royal. The permits and amendment <br /> off site property owner acknowledgement of access approval' <br /> 1998 In the amendment, <br /> which PHS/EHD requested shall be submitted by February <br /> also explain how the boring will be sealed prior to the In <br /> of a well. <br /> please p <br /> A Division of San Joaquin County Health Care Services <br />