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r <br /> Nations Groundwater Associates <br /> HYDROGEOLOGISTS&GEOLOGISTS <br /> D �g� <br /> December 30, 1996 <br /> �D <br /> JAN 0 81997 <br /> ENVIRONMENTAL HEALTH <br /> PERMIUSERVlCES <br /> Mr Kenneth Earnest <br /> Ultramar Inc <br /> 525 West Third Street <br /> Hanford, California 93232-0466 <br /> Subject Third Quarter 1996 Groundwater Monitoring Report <br /> Beacon Station #419 <br /> 2350 Waterloo Road, Stockton, California <br /> Dear Mr Earnest <br /> This report documents the results of quarterly ground-water monitoring conducted oJuly 26, 1996 <br /> at the subject site (Figure 1) The monitoring included measurements of depth to - ater, <br /> subjective analysis for free product, ground-water purging and collection of ground-water samples All <br /> field activities pertaining to events in this report were conducted according to the Ultramar Field <br /> Procedures included in the Attachments <br /> GROUNDWATER ELEVATIONS <br /> Prior to purging, Doulos Environmental personnel collected depth to ground-water measurements <br /> Ground-water level data from July, 1994 to-date are summarized in Table 1 On the basis of the current <br /> measurements, ground-water flow vanes from northwest to northeast (Figure 2) at a gradient of <br /> approximately 0 01 ft/ft Ground-water levels have decrease anra a of approximately 4 feet <br /> compared to the last monitoring event <br />• <br /> P.O.Boa 276325 Sacramento,California 95827-6325 (916)361-8095 <br /> (916)361-8096 FAX <br />