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. Mr. Brian Cobb <br /> July 25, 1995 <br /> Page 2 <br /> Field data collected during the sampling event indicate groundwater elevations have decreased <br /> relative to last quarter. Groundwater was identified as flowing to the northeast and northwest <br /> under average gradients ranging from approximtely 0.002 to 0.008 feet per foot. Analytical <br /> results show a decrease in petroleum hydrocarbon constituent concentrations in Wells MW-1, <br /> MW-2, and MW-5, since last quarter. Free productl was not identified in any of the <br /> monitoring wells. A summary of the depth-to-water measurements, calculated groundwater <br /> elevations, and analytical results are included in Table 1. A groundwater contour map, <br /> identifying the primary groundwater flow direction on June 22, 1995 and the analytical <br /> results, is included as Figure 1 Field notes, the chain-of-custody form and the laboratory <br /> data sheets are included in Attachment A <br /> If you have any question regarding the information presented herein, please contact one of <br /> us at your earliest convenience <br /> Sincerely, <br /> BROWN AND CALDWELL " J <br /> Todd Miller <br /> Project ager <br /> CJ.C�if� <br /> Jay Lu <br /> California Registered Geologist No. 4301 <br /> I <br /> TM/JL.lkg <br /> Attachments <br /> I - � <br /> cc: Mr. John Reeves, Attorney at Law <br /> Ms. Linda Turkatte, San Joaquin County Public Health Services Department <br /> _ 4 <br /> h i 1 j <br /> v M } I <br /> � u <br /> i 1 I I I I I I tl I 1 <br /> 11 I, I Ol/1:i19d1E+1I.R�i11S651QIlRI,YRPS1i0087Y6fi'H-1494WPSW! E '} yl, I, � 3 'I I �' I I� I�, I� �1 I � t �` <br /> 1 HPLa"M <br /> f 1 <br /> I f <br /> BmWvn and Caldwell I� I - I - '� -� �rI' EIP i4C �"J <br /> 11, Ilk' I ',� i,�l 1�� I�•[r ,�1, VIII EIF�It I I � I I,I��111'I � I 111f� I .� 3' 1 �� 1 <br />