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41 , <br /> Advanced <br /> GeoEnvironmental � Inc * , <br /> 11 July 2006 <br /> AGE-NC Project No . 97-0301 <br /> Ms . Vicki McCartney <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue, 3`d Floor <br /> Stockton, CA 95202 <br /> Subject: Revision to Monitoring Well Destruction Work Plan, dated 05 July 2006 <br /> PACIFIC PRIDE - SOUTH EL DORADO STREET <br /> 3147 South El Dorado Street, Stockton, CA <br /> Dear Ms. McCartney: <br /> On behalf of Mr. David Atwater of Van De Pal Enterprises, Advanced GeoEnvironmental Inc. (AGE) has prepared <br /> this revision to Monitoring Well Destruction Work Plan, dated 05 July 2006. The work plan was previously <br /> approved by the San Joaquin County Environmental Health Department (SJCEHD) by letter on 06 July 2006. <br /> Ground water monitoring well MW-3 had previously been buried by California Tank Lines during asphalt <br /> resurfacing activities. On I I July 2006, AGE exposed MW-3 by entirely digging out the uppermost 2. feet of the <br /> former well location. After exposing the well, it was revealed that the former well box and approximately 1 -foot <br /> of the top of the casing had been removed during the California Tank Lines resurfacing activities. Additionally, <br /> the well casing was pinched at the top and appeared to be entirely backfilledwith dirt. <br /> After exposing MW-3 on I 1 July 2006, AGE met with the SJCEHD to document the condition of the well. After <br /> a brief meeting, AGE and the SJCEHD determined that the integrity of the well had been severely compromised, <br /> and that the well should be abandoned in accordance with the above referenced work plan. However, AGE <br /> inquired from the SJCEHD if well abandonmentprocedures could consist of using 8-inch hollow stem augers <br /> rather than the previously proposed 10-inch hollow stem augers ( Work Plan for Ground Water Monitoring Well <br /> Destruction, dated 05 July 2006); thereafter, the SJCEHD agreed to the usage of 8-inch hollow stem augers. <br /> Therefore, AGE is writing this letter to notify the SJCEHD that 8-inch hollow stem augers will be utilized in the <br /> well destruction of MW-3 . Well abandonment procedures will commence on Friday, 14 July 2006. Ifyou have any <br /> questions. or require further information, please contact me at (209) 467- 1006. <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc. <br /> Timothy J. ellar <br /> Project Geologist <br /> Enclosure <br /> cc: Mr. David Atwater, Van De. Pol Enterprises <br /> S >7 Shaav Road . StoC?; ion ' Qdilomiit 95' 15 <br /> Telephone ( 2091 467- 11706 Tax 1209 ). 467- I 11 u <br />