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4 <br /> Interim Soil Vapor Extraction and Surface Treatment <br /> The need for interim soil vapor extraction for site cleanup has been stated by PHS- <br /> EHD. School personnel will select in consultation with Wright the most cost effective <br /> soil vapor stream treatment equipment for use with the two vapor wells. The ultimate <br /> cost and installation will be provided by Wright once the equipment is selected, and <br /> cost criteria and budgets are completed. The system is anticipated to be be started and <br /> operated under approved air and PHS-EHD permits. A system evaluation will be done <br /> after two months of operation. Further work by the District would be done pending <br /> results of this work and as their future funding allows. <br /> Report <br /> A report of the findings of this site investigation will be prepared. The report will <br /> include the field methods, permits, exploratory boring logs, cross sections, <br /> monitoring well construction details, chemical analytical data and report narrative. <br /> The report will include estimates of contaminant extent, conclusions and <br /> recommendations for site cleanup. <br /> If you have any questions regarding this workplan, please call our Tracy office at <br /> (209) 833-0758. <br /> Sincerely, <br /> Wright Environmental Services, Inc. <br /> Lester Messina Christopher M. Palmed �E d G� <br /> Project Manager C. E G. 1262 C6�S�Soe�11 <br /> Attachment: Figure 1. Site Plan. and Well Locations Qz H° 126.2 <br /> Figure 2. Groundwater Monitoring Well Detail CERTFIEQ <br /> Figure 3. Vadose Well Detail ENGINEERING <br /> Wright SamplingandWell Construction Protocols GEOLOGIST <br /> Reference <br /> ' F # F OF CA1-IF'3��\P <br /> Water Work, report abstract on Waterloo School, 7007 North Pezzi Road, Stockton, <br /> exploratory boring logs dated 09/12/90, and chemical analysis data (Table 1), project <br /> number 60248-1.. <br /> Waterloo School Workplan , _ Page 4 <br /> F <br />