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II <br /> DIETz ENGINEERING AND CONSTRUCTIO <br /> SERVING AGRICUL'TURE AND INDUSTRY RE , T <br /> _ 'I <br /> CA Lic.#638281 - <br /> _JAN <br /> January 10, 2009 T. EALTFI <br /> ENVIRC)NMEI• <br /> PERWTJSE' V2ES <br /> San Joaquin County Environmental Health Department i <br /> Attn: Lisa Medinai ° <br /> i <br /> 600 East Main Street ' <br /> Stockton, CA 95202 <br /> 4 . <br /> Subject: MicroSepTec System 9015 Walnut Grove Road, Thornton, California <br /> I I <br /> Dear Ms. Medina: <br /> Per your request of January 6, 2009, the purpose of this letter is to provide and update of the <br /> service that has been performed on the MicroSepTec system at JD Service Stations, Thornton , : <br /> California since the last update of August 22, 2008: - <br /> The MicroSepTec first chambers of the three systems and the lift station were pumped of solids <br /> on November 22, 2008. On November 28, 2008 a.routine service of the MicroSepTec systetn <br /> . <br /> was performed. One power breaker#38 in panel C was apparently inadvertently turned off. <br /> LJ <br /> This was reenergized in addition a contactor was-replaced on system#1. All three systems,were <br /> activated, checked for function and found to be working properly. The readings for each of the <br /> three systems, which are cumulative readings as of 01/07/09 are as follows: : . <br /> I j -- <br /> System#1 302000 - <br /> System#2 742000 <br /> System#3 1025000 <br /> it <br /> This system is serviced approximately every three months which includes pumping of the lift_ <br /> station and the first chamber of each.of the three MicroSepTec systems to r6iove sludge. The <br /> routine service involves inspection of each of the chambers to verify aeration and testing of the <br /> floats and pumps to verify all functions are operating properly. <br /> Al <br /> If you have any further questions please contact me at the number listed below. , <br /> Sincerely, <br /> H. B:Dietz - Ate. - 1► <br /> HBDlgwd ' _ } <br /> If <br /> cc: J.D. Singh <br /> h i � <br /> 33233 S. Koster Road • Tracy, CA 95304-9142 (209) 832-2910 • Fax (209) 833-1288 <br />