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i <br /> El Dorado Environmental, Inc. <br /> t 2221 Goldorado Trail, El Dorado, California 95623 (916)626-3898 <br /> Fax(916)626-3899 <br /> 4 / J <br /> January 2, 1996 , {� <br /> 1 <br /> Mr. Randall K Stephenson <br /> Environmental Specialist <br /> Ultramar Inc. <br /> 525 West Third Street <br /> Hanford, California 93232-0466 f <br /> Subject: Third Quarter 1995 Ground Water Monitoring Report w <br /> N Beacon Station #474 <br /> 3440 East Main Avenue, Stockton, California <br /> Dear Mr. Stephenson: <br /> El Dorado Environmental, Inc. (EDE)has prepared this report to document the results of quarterly <br /> ground water monitoring conducted on S tember 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 />'f 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 December <br />` <br /> 1993 are summarized in Table 1. On the basis of the current measurements, ground water flows <br /> toward the west Figure 2) at a gradient of less than 0.01 foot per foot. Ground water levels have <br /> 4 decreased an average of 0.94 feet compared to the last monitoring event. ; <br /> i <br /> it <br />