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Richard A Wadsworth <br /> Mid Coast Engineers Civil Engineer <br /> Stanley 0 Nielsen <br /> I Civil Engineers and Land Surveyors Land Surveyor <br /> 70 Penny Lane, Suite A - Watsonville, CA 95076 Lee D vaage <br /> phone (831) 7242580 land Surveyor <br /> fax (831)7248025 Jeff 5 Nielsen <br /> Ie-mail lee@midcoastengineers com Land surveyor <br /> 1 <br />' November 4, 2003 <br /> Tun Cuellar <br /> Advanced GeoEnvironmental, Inc <br /> 837 Shaw Road <br /> Stockton, CA 95215 <br />' Re Top Filling Station, 101 South Wilson Way, Stockton, Cahfornia; AGE Project No <br /> AGE-NC-95-0130, MCE Job No 03222 <br />' Dear Mr Cuellar, <br />' As you requested, on September 26 we surveyed three monitoring wells located at the <br /> referenced site Our findings are listed on the attached sheets, expressed in State Plane <br /> Coordinates and Latitude/Longitude <br /> A notch was cut in the north rim of the PVC casing (TOC) and a cross chiseled in the <br /> north rim of the box (TOB) <br /> Measurements were obtained from conventional survey techniques in combination with <br /> GPS techniques (Code CGPS), using control points HS4489 (Q 1413) and HS4753 <br /> (STOCI-TON SOUT14-WEST BASE) as published by NGS/NOAA ann listed on their web site <br /> Latitude and Longitude as shown were determined from the California Coordinate System, ,Zone <br /> 3, NAD 83 Datum The accuracy range of&,e reported information is +/-- 1 cm GPS equipment <br /> is the Trimble 5700 system (Code T57) <br /> The benchmark used for this survey is City of Stockton Control Point #259, a brass disk <br /> 1 marking COS monument stamped "8S-14" in monument box at approximate centerlines of <br /> Country Club Boulevard and Mission Road Elevation= 5 71 feet, NAVD88 <br />' Please let me know if you have questions or need additional information <br /> Yours truly, <br /> Lee D Vaage <br /> 1 <br />