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DIETzENGiNEERiNG AND ONSTR UCTION INC. <br /> SERVING AGRICULTURE AND INDUSTRY <br /> - CA Lic.#638281 <br /> February 22, 2008 <br /> Russ Zelmer MAR 12 2008 <br /> 7060 W. Durham Ferry Road ENVIROINIENT HEkTH <br /> Tracy, CA 95304 PERMITISER VICES <br /> Subject: Well Completion Report 7501 W. 11th Street, Tracy, California <br /> Dear Russ: <br /> Dietz Engineering and Construction, Inc. has completed the water well for the subject property. <br /> This well is a 460 foot 6 inch diameter well with a 2 HP pump set at approximately 140 feet <br /> below ground surface. The static water level for the well is 80 feet below ground surface. The <br /> estimated volume available in this well is 20 to 30 gallon per minute, which should be more <br /> than adequate for domestic water use at the subject address. A bladder type pressure tank has <br /> been utilized and the pressure switch setting is 40 on/60 psi off. Attached is a copy of the well <br /> completion report, which was submitted to the State as required by law. <br /> Attached are the permits obtained for installation of this N ell: <br /> • Well drilling Permit <br /> • Pump Permit <br /> • Electrical Permit <br /> To verify that the well has been sealed from the upper aq afir the water has been analyzed for <br /> nitrate. This was used to verify that the well is producing water from the water bearing zone <br /> below the corcoran clay, which is virtually free of nitrates. The nitrate level in the attached <br /> laboratory sample shows a nitrate level of Non Detect wit a resolution limit of 1 mg/L. This is <br /> consistent with wells in the area at the depth. In addition ithe well water was analyzed for <br /> coliform bacteria, which is absent. . <br /> To verify that the well has not been adversely impacted by the fuel leak, which occurred many <br /> years ago at the truck stop at 7500 W. l 1b a sample was taken from the well head and analyzed <br /> for TPH gas, TPH diesel and BTEX . The analyses were conducted in accordance with EPA <br /> Method 8015 and EPA Method 8260B. Petroleum hydrocarbons were non detect. See attached <br /> reports.. <br /> 33233 S. Koster Road • Tracy, CA 95304-9142 (209) 83272910 • Fax (209) 833-1288 <br />