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` DiETz ENGINEERING AND CoNs TR UCTION INC. a <br /> SERVING AGRICULTURE AND INDUSTRY- F <br /> GA Lic� so _ <br /> pEC 2 2 f- <br /> December 20, 2009lR4��rl�w <br /> E�Vp�RM1�I�ERVICE� <br /> San Joaquin Environmental Health Department <br /> Attn: Rodney Estrada <br /> 4 600 East Main Street <br /> Stockton CA 95202 <br /> •s�,.�--- .may_-- y_ .� - � - <br /> Subject: Quarterly Inspection and Sampling of MicroSepTec System at Carmelo Business <br /> Park, Tracy, California <br /> Dear Mr. Estrada: _ -- <br /> A quarterly inspection of the MicroSepTec system installed at the Carmelo Business Park was Ta <br /> conducted on December 7, 2009. The System was operating normally and no repairs were _ <br /> required. The meter reading for the effluent discharge was 2330220. Attached are the results of <br /> the laboratory analysis for nitrate. Based on laboratory results the calculation of the nitrogen in _ <br /> the effluent is as follows: 13/62 xI=0.20 mg./L nitrogen as nitrate. Since this meets the design <br /> criteria of the system no further analysis or investigation was conducted. <br /> If you have any questions please contact me at the number listed below. <br /> Sincerely, <br /> ' H B Dietz <br /> HBD/gwd _ m <br /> Enclosures: Laboratory Analysis 4 <br /> cc: Carl Navarra - - <br /> 33233 S. Koster Road Tracy, CA 95304-9142 • (209) 832-2910 * Fax (209) 833-1288 = -' <br />