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1 <br /> l9�; <br /> wo- 1050 Melody Lane, Suite 160. Roseville. ;California 95678 <br /> rx' )V82 2140 �(976)786 7830 <br /> ENVIRONMENTAL, INC. <br /> September 21, 1993 <br /> Mr Kenneth Earnest <br /> Environmental Specialist � <br /> Ultramar Inc <br /> 525 West Third Street <br /> Hanford, California 93232-0466 <br /> i <br /> Subject Second Quarter 1993 Groundwater Monitoring Report <br /> Beacon Station #695 <br />• 900 South Cherokee Lane, Lodi, California <br /> Dear Mr Earnest <br /> Aegis Environmental, Inc (Aegis), is pleased to provide Ultramar Inc , this report <br /> documenting the results of quarterly groundwater monitoring conducted on April 14 <br /> and May 6, 1993, at the subject site (Figure 1 ) The monitoring included <br /> measurements of depth to water, subjective analysis of free product, and collection <br /> of groundwater samples <br /> GROUNDWATER ELEVATIONS <br /> Prior to purging, Aegis personnel collected depth-to-water measurements <br /> Groundwater level data from February 1992 to date are summarized in Table 1 <br /> Previous groundwater level data are included in Attachment 3 All measurements of <br /> depths to groundwater were conducted according to the Aegis standard operating <br /> procedures (SOP) included in Attachment 1 On the basis of the current <br /> measurements, groundwater flows to the northwest and southeast (Figure 2) at a <br /> gradient of 0 03 ft/ft Groundwater levels have increased compared to the last �- <br /> monitoring event <br /> 92 733C RPT <br />