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CRO <br /> i FUGRO WEST, INC. <br /> 1050 Melody Lena,suite 180 <br /> Roseville,California 96678 <br /> Tel: (916)782-2110 ; <br /> FAX: (916)786-7830 <br /> May 24, 1994 <br /> { <br /> all <br /> ntCEIVLD <br /> f <br /> Mr. Randall K. Stephenson J ti N 0 7 14 <br /> Environmental Specialist F-NY1RQNME-N AL HEALTH <br /> Ultramar Inc. <br /> 525 West Third Street <br /> 7 Hanford, California 93232-0466 <br /> Subject: First Quarter 1994 Groundwater Monitoring Report <br /> Beacon Station #474 <br /> 3440 East Main Avenue, Stockton, California <br /> . Dear Mr. Stephenson: <br /> This report documents the results of quarterly groundwater monitoring conducted on <br /> March 29, 1994, at the subject site (Figure 1). The monitoring, conducted by Doulos <br /> Environmental, included measurements of depth to groundwater, subjective analysis for free <br /> product, groundwater purging and collection of groundwater samples. All field activities <br /> pertaining to events in this report were conducted according to the Ultramar Field Procedures <br /> included in the Attachments. <br /> GROUNDWATER ELEVATIONS <br /> Prior to purging, Doulos Environmental personnel collected depth to groundwater measurements. <br /> Groundwater level data from December 1993 to date are summarized in Table 1. On the basis <br /> of the current measurements, groundwater flows to the northeast(Figure 2) at a gradient of X0.01 <br /> ft/ft. Groundwater levels have increased an average of 2.58 feet compared to the last monitoring <br /> event. <br /> 9e-4741.aMff i <br /> U.S, operating companies in California, Louisiana, Missouri, and Texas <br /> International operating companies in Australia, Belgium, Brunei, Canada, Germany, Hong Kong, Indonesia,Japan, <br /> Malaysia, The Netherlands, Saudi Arabia, Singapore, United Kingdom, and United Arab Emirates. j <br />