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EI Dorado Environmental, Inc. <br /> .' 2221 Goldorado Trail, El Dorado, California 95623 (916)626-3898 <br /> Fax(916)626-3899 <br /> i <br /> January 4, 1996 <br /> Mr. Kenneth Earnest <br /> Environmental Specialist <br /> Ultramar Inc. <br /> 525 West Third Street <br /> Hanford, California 93232-0466 <br /> Subject: Third Quarter 1995 Ground Water Monitoring Report <br /> Beacon Station #696 <br /> 2448 West Kettleman Lane, Lodi, California <br /> .' Dear Mr. Earnest: <br /> El Dorado Environmental, Inc. (EDE)has prepared this report to document the results of quarterly <br /> ground water monitoring conducted on September 27, 1995 at the subject site (Figure 1). The <br /> monitoring, conducted by Doulos Environmental (Doulos), included measurements of depth to <br /> ground water, subjective analysis for the presence or absence of free product, ground water purging <br /> and collection of ground water samples. Doulos reports that all field activities were conducted in <br /> accordance with the Ultramar Field Procedures described in Attachment A. <br /> GROUND WATER ELEVATIONS <br /> Prior to purging, Doulos collected depth to ground water measurements. Copies of Doulos' field <br /> data sheets are contained in Attachment B. Ground water elevation data collected since March 1992 <br /> are summarized in Table 1. Historical ground water elevation data are contained in Attachment C. <br /> On the basis of the current measurements, there are components of ground water flow toward the <br /> south, southwest, and east (Figure 2). The ground water gradient is approximately 0.05 foot per <br /> foot. Ground water levels have decreased an average of 1.57 feet compared to the last monitoring <br /> event. <br />