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• i <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> /101 0 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.E.H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S.,R.D.I. <br /> Program Manager <br /> Douglas W.Wilson,R.E.H.S. <br /> Laurie A.Cotulla,R.E.H.S. <br /> CgC'FORa�P Telephone: (209) 468-3420 Margaret Lagorio,REES, <br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> BILL MIRANDA AUG 2 9 2003 <br /> VALLEY PROPERTIES <br /> PO BOX 4716 <br /> STOCKTON CA 95204 <br /> RE: Former Buffalo Tank Corp SITE CODE: 1575 <br /> 5709 Fremont Street <br /> Stockton CA 95205 <br /> San Joaquin County Environmental Health Department(SJC/EHD) has reviewed the "Preliminary <br /> Site Assessment Report"dated August 22, 2003 that was submitted on your behalf by Advanced <br /> GeoEnvironmental, Inc. (AGE) and has the following comments. <br /> The report documents site fieldwork that began on March 3, 2003. The work began <br /> implementation of the approved "Preliminary Site Assessment Work Plan"dated January 6, 2003. <br /> The work plan proposed the advancement of a minimum of one soil boring by hollow stem auger <br /> drilling technique to collect soil and grab groundwater samples at the location of a former <br /> underground storage tank. Use of an alternate drilling technology at the time of the fieldwork failed <br /> to reach the depth necessary to obtain the grab groundwater sample. <br /> Soil samples collected during the investigation were analyzed and reported to contain detectable <br /> concentrations of petroleum hydrocarbons. The report recommends additional site assessment to <br /> define the extent of the contamination and to obtain groundwater samples for analysis. SJC/EHD <br /> agrees this work must be completed. <br /> SJC/EHD directs full implementation of the approved January 6, 2003 work plan. As stated in the <br /> work plan, should the first boring completed in the former tank pit area indicate contamination, <br /> additional borings will be drilled to find the vertical and lateral extent of the release. Please refer to <br /> SJC/EHD work plan approval correspondence dated January 31, 2003 for details of work to be <br /> completed, including the analyses to be performed on the collected soil and groundwater samples. <br /> Please proceed with submittal of a San Joaquin County Well Permit Application and required <br /> $89.00 permit fee for a hollow stem auger drilling contractor, and with scheduling the approved <br /> work. The deadline for implementation of the work plan is October 24, 2003. A report of findings <br /> must be submitted to SJC/EHD within 60 days following completion of the fieldwork. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS Nuel C. Henderson, Jr., RG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: James Barton, CVRWQCB <br /> Daniel Kalmbach,AGE <br />