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PUBLr%--".' HEALTH SEkf ICE oP4�,N <br /> SAN JOAQUiN COUNTY <br /> JOGI KHANNA NI.D..iti1.P H . <br /> Health Officer <br /> P.O. Box 2009 0 (1601 East Hazelton Avenue) • Stockton, California 95201 <br /> (209) 468-3400 <br /> MR BOB SPOOR C(Oply <br /> LODI READY MIX DEC 0 61991 <br /> POBOX 3 <br /> LODI CA 95240 <br /> RE: 8S1 E. Lodi Ave. IN REPLY REFER TO SITE CODE: 1359 <br /> Characterization of Soil Stockpile <br /> Public Health Services Environmental Health Division (PHS/EHD) has reviewed the report submitted by <br /> Geological Technics Inc., on your behalf, and has the following comments: <br /> 1. PHS/EHD,after consultation with staff of the Central Valley Regional Water Quality Control <br /> Board,requests that the disposal method for stockpile#3 (200 ppm TEPH)l which includes <br /> incorporating the soil into road base material for use as the compacted fill directly beneath <br /> the asphaltic concrete road surface also be utilized for stockpile #8 (50 ppm motor oil). <br /> Documentation will need to be provided to PHS/EHD as to the location of its use. <br /> 2. The remaining nine stockpiles may,as indicated in the report,be disposed of as unregulated <br /> material. <br /> PHS/EHD staff has re-reviewed the data collected thus far and discussed what additional information would <br /> be required for possible site closure. The sample identified as RE BS-25' indicates an increased detection <br /> limit and slightly elevated values. Efforts to retrieve the original lab data sheets are currently underway. <br /> As indicated in a telephone conversation 3 December 1991 with staff, a soil boring with samples collected <br /> at 5 foot intervals to a depth that would determine the vertical extent of contamination may provide enough <br /> information for PHS/EHD to decide whether a ground water investigation is warranted or not. This boring <br /> would need to be located as close to where RE BS-25'was collected as possible. <br /> Should you have any additional questions please call Steve Schneider,REHS,of my staff at(209) 468-3441. <br /> Jogi Khanna, M.D., M.P.H. <br /> Health Officer <br /> carie A. CoCulla, REHS, Program Manager <br /> Environmental Health Division <br /> LAC/SS:Ib <br /> C. CVRWQCB - Elizabeth Thayer <br /> C. Geological Technics Inc. - Jim McDonald <br /> 2601 River Road, Modesto, CA 95351 <br /> A Division of San Joaquin County Health Care Services <br />