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RECEIVED <br /> 1z JUN 202011 <br /> L._71f .A(T <br /> ENVIRONMENTAL HEALTM <br /> ENGINEERING GEOLOGY PERMMSERVICES <br /> CIVIL ENGINEERING <br /> GROUND-WATER HYDROLOGY <br /> 010107.00 <br /> June 15, 2010 <br /> Ms. Lori Duncan <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton, CA 95202-3029 <br /> Dear Ms. Duncan: <br /> SUBJECT: MONITORING WELL OB-9 ABANDONMENT,DIAMOND PET FOOD <br /> PROCESSORS OF RIPON PLANT,RIPON,CALIFORNIA <br /> On behalf of our client, Diamond Pet Food Processors of Ripon, LLC (Diamond), <br /> Lawrence&Associates (L&A) is submitting an application for a San Joaquin County <br /> well destruction permit, including a check for$488 for fees,to abandon monitoring well <br /> OB-9 (Attachment A) at Diamond's Ripon plant(Figure 1). Abandoning well OB-9 is <br /> necessary because the containment berm on which it is located is scheduled to be <br /> removed and the area regraded during closure activities for the adjacent sludge-disposal <br /> cell. A work plan describing the proposed closure of the sludge-disposal cell was <br /> submitted by L&A to the California Regional Water Quality Control Board, Central <br /> Valley Region (CVRWQCB),on December 28, 2010 (Attachment B). The work plan, <br /> including the proposed abandonment of monitoring well OB-9, received concurrence <br /> from the CVRWQCB in correspondence dated April 13, 2011 (Attachment C). <br /> In addition to the documents referenced above, you also indicated that Diamond would <br /> have to submit a San Joaquin County a MasterFile Record Information Form before the <br /> well abandonment permit would be processed (Attachment D) and that L&A would have <br /> to submit a Licensed Contractors Declaration form (Attachment E). <br /> Please feel free to contact me at 530-275-4800, or via email at dkirk(&,,lwrnc.com, if you <br /> have any questions or comments about this application. <br /> Sincerely, <br /> x"ile'-x <br /> David L. Kirk <br /> Principal/Senior Geologist, P.G. 6673 <br /> cc: Mr.Mark Schell,Diamond Pet Food w/o attachments <br /> Attachment A: San Joaquin County well destruction permit application and check for$488.00 <br /> Attachment B: L&A's Work Plan for Sludge Impoundment Closure dated December 28,2010 <br /> Attachment C: CVRWQCB letter dated April 13,2011 <br /> Attachment D: San Joaquin County MasterFile Record Information Form <br /> 3590 Iron Court Shasta Lake,California 96019 • (530)275-4800 fax(530)275-7970 www.lwrnc.com <br />