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Eastside Winery,Lodi, Sa*aquin Co. FALL.CREEK <br /> Monitoring Well Installation Report ENGINEERUNG,INC. <br /> B. Well Development <br /> Date: 20 April 2002, 24 April 2002 <br /> The well was developed by bailing with a polyethylene bailer. This was first <br /> done upon placement of the sand pack on the day of drilling. The well contained <br /> about 5 feet of water, which is equivalent to about 0.8 gallon. In the course of <br /> bailing and surging the sand pack 7 `/Z gallons were removed from the well in the <br /> course of 65 minutes. The water was noticeably clearer at the end of this <br /> exercise than at the beginning. On April 24, 5 gallons of water were purged from <br /> the well with a 1-liter bailer. A sample of this water was retained for analysis. <br /> There was no change in water level associated with developing the well. <br /> C. Well Surveying <br /> The reference point elevation and coordinates were determined by measuring <br /> offsets from wells 2 and 3 which had previously been surveyed by Delta Surveys, <br /> 1115 Black Diamond Way,Lodi, CA 95240, a licensed civil engineer. The <br /> reference point elevations refer to the tops of the PVC casings; the bench mark <br /> elevation used was USGS San Joaquin County No. U 1106. The horizontal <br /> coordinates follow the convention that positive X is to the east and positive Y is <br /> to the north. The data are: <br /> Well Reference Point Y Coordinate X Coordinate <br /> Elevation <br /> 1 52.19 -590.70 -1269.07 <br /> 2 59.99 -803.35 -574.60 <br /> 3 51.07 0 0 <br /> 4 47.82 -743.96 1 -83.82 <br /> D. Water Sampling <br /> The well was sampled for analysis on 24 April, 2002. The details of this exercise <br /> and the laboratory findings are presented in a separate report. <br /> Please call me at(530)756-2288 with any questions you may have concerning the <br /> installation of this in . ell. <br /> QSpFESS/64, <br /> Sincerely you Op ARA�S��F2� <br /> c' m <br /> LU <br /> Richard A g,4h , E. 7D <br /> Principal Sct is _7w <br /> Cwt. <br /> a�Q <br /> CC: Lee Eich ''Es ,P.O. Box 440,Lodi,CA 95241 <br /> San Joaquin Services,Environmental Health Division, <br /> P.O. Box 388, Stockton,CA 95201-0388 <br /> 2 <br />