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Advanced <br /> GeoEnvironmental, Inc . _ <br /> 09 July 2007 <br /> AGE-NC Project No. 97-0327 <br /> EN'J!ip 1^liTt;�r�tICESN <br /> Ms. Vicki McCartney pE �• <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street <br /> Stockton, California 95202 <br /> Subject: Revision to Soil-Gas Vapor Investigation Work Plan <br /> GREWAL'S MARKET <br /> 4100 East Fremont Sreet, Stockton, California <br /> Dear Ms, McCartney: <br /> Advanced GeoEnvironmental,Inc.(AGE)previously submitted Soil-Gas Vapor Investigation Work <br /> Plan(dated 27 February)to the San Joaquin County Environmental Health Department(SJCEHD) <br /> for the above referenced site; the above work plan proposed collection of soil-gas vapor samples <br /> from six(6)separate boring locations(P-13 through P-18).However,a meeting was held at SJCEHD <br /> on 27 June 2007 by representatives of AGE,SJCEHD and Mr.Rick Grewal to discuss the workplan; <br /> thereafter, and it was mutually decided that two properly placed soil borings would be adequate at <br /> this time to perform a soil-gas vapor study for this site. Therefore,AGE is now proposing to reduce <br /> the number of soil boring locations from six to two(P-13 and P-14);a site plan depicting the revised <br /> soil boring locations is attached with this cover letter. <br /> If you have any questions or require further information,please contact our office at(209)467-1006. <br /> Sincerely, <br /> �REp <br /> Advanced GeoEnvironmental,Inc. /w�> GE()�o�N <br /> Itj <br /> �Ec <br /> � A '� NO. 7327 <br /> Timothy Jct uellar Calvin F. Lee <br /> Project Geologist Senior Project Geolo 'd CA��Fa <br /> Registered Geologist No. 7327 <br /> Enclosures <br /> cc: Mr. Jim Barton, California Regional Water Quality Control Board-Central Valley Region <br /> Mr. Rick Grewal. <br /> 837 Shaw Road. Stockton,California 95215 <br /> Telephone(209)467-1006 Fax(209)467-1118 <br />