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Advanced <br /> GeoEnvironmental, I <br /> %DV 13 PM ' <br /> 06 November 2003 <br /> AGE-NC Project No. 03-1100 <br /> Mr. Jeff Wong <br /> SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH DEPARTMENT <br /> 304 East Weber Avenue <br /> Stockton, CA 95202 <br /> Subject: Request for Extension - Installation of Soil Vapor Extraction Wells, Cone <br /> Penetrometer Test Report of Findings and Preparation of Work Plan <br /> Addendum for Additional Site Assessment <br /> Former STEFANO'S GAS STATION <br /> 1419 East Charter Way, Stockton, California <br /> Dear Mr. Wong: <br /> At the request of Ms. Winifred Alexander of the Trust of Mary Gardella and in accordance with our <br /> conversations of 29 October 2003 and 05 November 2003,Advanced GeoEnvironmental,Inc.(AGE) <br /> is requesting a 30-day extension for the completion of the following: <br /> 1. Installation of soil vapor extraction wells proposed in the work plan dated 12 August 2003, <br /> prepared by Wright Environmental.The original completion date for installation of the wells <br /> was 07 November 2003. <br /> 2. Preparation of a Cone Penetrometer Test Report of Findings. The original completion date <br /> for the Report of Findings was 21 November 2003. AGE is presently in the process of <br /> obtaining the CPT data from Wright Environmental in order to complete the required report. <br /> 3. Preparation of a work pian addendum for additional site assessment, if necessary. The <br /> original due date for the submission of the work plan addendum was 21 November 2003.As <br /> discussed in our above-referenced meetings,AGE will likely submit a work plan addendum <br /> that will include additional assessment of impacted soil and ground water and modifications <br /> to the proposed ozone injection pilot study. Additionally, AGE will propose modifications <br /> to the Wright Environmental-proposed soil vapor extraction (SVE) pilot test. <br /> Once the aforementioned wells are installed,AGE will proceed immediately with the performance <br /> of the SVE pilot study and Ozone injection pilot study. Also, AGE will schedule the fourth quarter <br /> ground water monitoring for December 2003. <br /> 837 Shaw Road,Stockton, California 95215 <br /> Telephone(209)467-1006 FAX(209)467-1118 <br />