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Virgil Chavez Land Surveying <br /> O12 Georgia Street, Suite 225 <br /> aeJO, California, 94590-5907 January 17, 2002 <br /> (707)553-2476 • Fax(707) 553-8698 Project No. 2111-01 <br /> Sarah Dwight <br /> Cambria Environmental <br /> P. O Box 259 <br /> Sonoma, CA 95476 <br /> PF�,C JIVED <br /> subject Monitoring Well Survey JAN 2 1 2002 <br /> BP Oil Company Site #11191 <br /> 1469 East Hammer Laney: <br /> Stockton, CA <br /> Dear Sarah <br /> This is to confirm that we have proceeded at your request to survey the <br /> ground water monitoring wells located at the above referenced location. <br /> The survey was completed on January 7, 2002. The benchmark for this survey <br /> was a brass disk marking City of Stockton Traverse Control Monument <br /> stamped "2N-4" in monument box at northwest corner of Hammer and West <br /> Lanes. The latitude, longitude and coordinates are for top of casings and <br /> are based on the California State Coordinate System, Zone III (NAD83) <br /> Measurements taken at approximate top of box and top of casing <br /> Benchmark Elev. = 19.21 feet, (NGVD 29) . <br /> • Latitude Longitude Northing Easting Elev Desc. <br /> 38.0213137 121 2953928 2195320 90 6332546.15 BLDG COR <br /> 38.0213747 121 2953122 2195342 89 6332569.57 BLDG COR <br /> 38.0213618 121 2954548 2195338 57 6332528 44 BLDG COR <br /> 19.54 RIM MW-1 <br /> 38.0213253 121.2955842 2195325.59 6332491.06 19.17 TOC MW-1 <br /> 20.87 RIM MW-2 <br /> 38.0211588 121 2953699 2195264.45 6332552.26 20 47 TOC MW-2 <br /> 20 42 RIM MW--3 <br /> 38.0214294 121 2951686 2195362 45 6332611.10 19.74 TOC MW-3 <br /> 21.30 RIM MW-4 <br /> 38.0212646 121.2951925 2195302.53 6332603 71 20.89 TOC MW-4 <br /> 0 <br /> sincerely, <br /> Na 63M <br /> }• `fir' Virgil Chavez, PLS 6 3 <br />