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Advanced <br /> G e o Environmental Inc . -o� <br /> 20 January 2011 <br /> AGE-NC Project No. 02-0950 <br /> Ms. Lori Duncan RECEIVED <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street j JAN 2 12011 <br /> Stockton, California 95202 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> Subject: Well Destruction Report <br /> Masonite (formerly Prem Dor) <br /> 433 West Scotts Avenue, Stockton, California <br /> Dear Ms. Duncan: <br /> At the request of Mr. Tom Crawshaw of Masonite (formerly Prem Dor), Advanced <br /> GeoEnvironmental, Inc. (AGE)has prepared this report for the destruction of seven ground <br /> water monitoring wells (MW-1 through MW-7) at 433 West Scotts Avenue, Stockton, <br /> California (site). The site location is depicted on Figure 1; site structures and former <br /> monitoring well locations are depicted on Figure 2. Site background information is included <br /> in Appendix A. <br /> INTRODUCTION <br /> Between October 2003 and March 2008,seven single completed two-inch diameter ground <br /> water monitoring wells (MW-1 through MW-7) had been installed both on-site and off-site. <br /> Monitoring wells MWA through MW-7 were installed to depths between 30 feet below <br /> surface grade (bsg) and 36.5 feet bsg. Well construction details are summarized in <br /> Table 1, boring logs are included in Appendix B. <br /> As directed by the San Joaquin County Environmental Health Department (EHD) by letter <br /> dated 20 November 2009, monitoring wells MWA through MW-7 were destroyed under <br /> EHD permits SR#61650 and SR#61651 (Appendix C)in order to fulfill requirements for site <br /> closure. Well Completion Reports generated following the well constructions are included <br /> in Appendix D. Monitoring wells MWA through MW-7 were destroyed in accordance with <br /> the San Joaquin County Well Standards document(San Joaquin County Ordinance Code <br /> Section 9-1115.6, amended 08 May 1993), Standards For Well Construction And <br /> Destruction In San Joaquin County, dated February 2005. <br /> 837 Shaw Road • Stockton,CA 95215 <br /> Telephone (209)467-1006 •Fax(209)467-11 18 <br />