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San Joaquin County <br /> .� Environmental Health Department DIRECTOR <br /> Ar— .O Donna Heran, REHS <br /> Z 1868 East Hazelton Avenue <br /> PROGRAM COORDINATORS <br /> { Stockton, California 95205-6232 <br /> Robert McClellon, REHS <br /> Jeff Carruesco, REHS,RDI <br /> Cq �P Website: www.sjgov.org/ehd Kasey Foley, REHS <br /> F o R Linda Turkatte,REHS <br /> Phone: (209) 468-3420 Rodney Estrada, REHS <br /> Fax: (209) 464-0138 Adrienne Ellsaesser, REHS <br /> April 2, 2013 <br /> Mr. Dung Thanh Phan and Ms. Nhuan Thi Phan <br /> 3524 Morningside Drive <br /> Stockton, California 95219 <br /> Subject: California Stop <br /> 2224 Manthey Road <br /> Stockton, California 95206 <br /> Dear Mr. and Ms. Phan: <br /> By letter dated 6 September 2012, the San Joaquin County Environmental Health Department <br /> (EHD) approved the submittal of a work plan to implement an ozone pilot study at the above- <br /> referenced site. The EHD directed that the work plan for the installation of a soil vapor <br /> extraction (SVE) system previously approved by this agency, and the work plan for the ozone <br /> pilot study be submitted to the EHD by 30 September 2012. <br /> To date, the EHD has not received either work plan. You are now directed to submit both work <br /> plans to the EHD within thirty days of the date of this letter. Also, if monitoring wells MW-9, <br /> MW-10 and MW-11 have not been surveyed, do so immediately. <br /> In Semi-annual Monitoring Report - November 2012, dated 11 March 2013, your consulting <br /> firm, Advanced GeoEnvironmental, Inc. (AGE), has recommended that monitoring wells MW-4, <br /> MW-7, MW-9 and MW-11 be redeveloped to remove sediment accumulation. The EHD <br /> approves the redevelopment of these four wells. Continue collecting groundwater samples <br /> semi-annually from MW-1 through MW-4 and MW-6 through MW-8; and annually from MW-5, <br /> and MW-9 through MW-11 and analyze all samples only for total petroleum hydrocarbons as <br /> gasoline (TPH-g), methyl tertiary-butyl ether (MTBE) and tertiary-butyl alcohol (TBA). <br /> Please contact Vicki McCartney at (209) 468-9852 or by email at vmccartneyP_slcehd.com if <br /> you have any questions concerning this letter. <br /> Sincerely, <br /> -l/!it l/.'1-�— <br /> Victoria L. McCartney, REHS Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Upecialist Engineering Geologist <br /> c: Mr. Timothy J. Cuellar, Advanced GeoEnviron mental, 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 />