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San Joaquin County <br /> °WN Environmental Health Department DIRECTOR <br /> Donna Heran,REHS <br /> 600 East Main Street <br /> PROGRAM COORDINATORS <br /> Stockton, California 95202-3029 Robert McClellan,REHS <br /> ' Jeff Carruesco,REHS, RDI <br /> • qWebsite: S-.r WWW. OV.OI /ehd Kasey Foley, REHS <br /> �)FORd19 g Linda Turkatte,REHS <br /> Phone: (209)468-3420 <br /> Fax: (209) 464-0138 <br /> February 10, 2012 <br /> Mr. Robert Kupka <br /> Lodi Airport Corporation <br /> Post Office Box 10 <br /> Acampo, California 95220 <br /> Subject: Golden Eagle Aviation <br /> 23987 North Highway 99 <br /> Acampo, California 95220 <br /> Dear Mr. Kupka: <br /> The San Joaquin County Environmental Health Department (EHD) has received and reviewed <br /> Well Destruction Work Plan — Well MW-3, dated 10 February 2012, submitted by your <br /> consulting firm, Advanced GeoEnvironmental, Inc. (AGE), for the above-referenced site. <br /> Although the work plan implies more than one well will be destroyed, the work plan is intended <br /> to address the destruction of one monitoring well, MW-3, by pressure grouting. <br /> In the work plan, AGE proposes to pump a thick grout mixture into the well casing under <br /> approximately five to ten pounds per square inch (psi) of pressure. Instead the EHD directs <br /> that a thin grout mixture be pumped into the well casing under approximately twenty-five <br /> pounds psi of pressure for ten minutes. The EHD approves the work plan with this provision. <br /> Three temporary soil vapor points were installed in January 2010 at your site; however, soil <br /> gas samples have not been collected from any of these points since they were installed. You <br /> are now directed to collect soil gas samples from these three soil vapor wells by 01 March <br /> 2012. Notify the EHD of scheduled soil gas sampling at least a week prior to the sampling <br /> event. <br /> If you have any questions regarding this letter, please contact Vicki McCartney at (209) 468- <br /> 9852, or by email at vmccartnev(o,sicehd.com. <br /> Sincerely, <br /> (/� I ,REHS <br /> Victoria L. McCartney, REHS Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c. Mr. William Little, PG, Advanced GeoEnvironmental, Inc., 837 Shaw Road, Stockton, <br /> California 95215 <br /> Mr. James L.L. Barton, PG, California Regional Water Quality Control Board Central <br /> Valley Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, California 95670 <br />