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San Joaquin County <br /> Environmental Health Department <br /> p?. p DIRECTOR <br /> 600 East Main Street Donna Heran, REHS <br /> RE�i, Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Yy.l�, Robert McClellon, REHS <br /> - — Jeff Carruesco,REHS, RD[ <br /> Website: www.sjgov.org/ehd Kasey Foley, REHS <br /> r F o R Linda Turkatte, REHS <br /> Phone: (209) 468-3420 <br /> Fax: (209) 464-0138 <br /> February 2, 2012 <br /> Mr. Gerald L. Thiemann <br /> 327 Blossom Drive <br /> Ripon, California 95366 <br /> Subject: Former Thiemann's Service Station LOP Case No, : 0001479 <br /> 106 West Second Street <br /> Ripon, California 95366 <br /> The San Joaquin County Environmental Health Department (EHD) has received and reviewed <br /> Work Plan for Destruction of Groundwater Monitoring Wells at the former Thiemann's Service <br /> Station (work plan), dated 18 January 2012. The EHD had requested the work plan by letter <br /> dated 09 January 2012. <br /> In the work plan, your consulting firm, ATC Associates Inc. (ATC), has proposed over-drilling <br /> monitoring wells MW-2 and MW-3 using eight-inch augers, and pressure grouting MW-1. <br /> MW-4, MW-5 and MW-6. Although the work plan does not address the amount of pressure or <br /> duration of the pressure, the EHD directs that the grout be applied under liquid pressure of 25 <br /> pounds per square inch (psi) for a minimum of ten minutes. With this condition, the EHD <br /> approves the work plan as submitted. <br /> Please submit a completed Master File Record form, a Well and Boring Permit Application <br /> form, and a permit/inspection fee of $1,125.00. Notify the EHD of pending fieldwork at least a <br /> week prior to the well destructions. <br /> If you have any questions, please contact Vicki McCartney at (209) 468-9852 or by email at <br /> vmccartney@sjcehd.com. <br /> Sincerely, <br /> Victoria L. McCartney, REHS 0 Nuel Henderson, PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> C: Mr. James L. L. Barton, PG, California Regional Water Quality Control Board Central <br /> Valley Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> Mr. Kirk Larson, PG, State Water Resources Control Board Underground Storage Tank, <br /> PO Box 944212, Sacramento, California 94244-2120 <br /> Mr. John Sellman, ATC Associates Incorporated, 1117 Lone Palm Avenue, Suite 201, <br /> Modesto, California 95351 <br />