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GRO <br /> FUGRO WEST, INC. <br /> 1050 Melody Lane, Suite 160 <br /> Roseville,California 9s67a <br /> Tel: (9 16)782-2110 <br /> FAX: (916)786-7830 <br /> September 18, 1995 <br /> Mr. Randall K. Stephenson <br /> Environmental Specialist <br /> Ultramar Inc. <br /> 525 West Third Street <br /> Hanford, California 93232-0466 <br /> Subject: Second Quarter 1995 Groundwater Monitoting Report <br /> Beacon Station 9474 <br /> 3440 East Main Avenue, Stockton, California <br /> Dear Mr. Stephenson: <br /> This report documents the results of quarterly groundwater monitoring conducted on June 20, <br /> 1995 at the subject site (Figure 1)_ The monitoring, conducted by Doulos Environmental, <br /> included measurements of depth to groundwater, subjective analysis for free product, groundwater <br /> purging and collection of groundwater samples. All field activities pertaining to events in this <br /> report were conducted according to the Ultramar Field Procedures 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 east (Figure 2) at a gradient of<0.01 ft/ft. <br /> Groundwater levels have increased an average of 2.00 feet compared to the last monitoring event. <br /> i <br /> 4546.0021.474-2.0MR <br /> A member of the Fugro group of companies with offices throughout the world <br />