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Mr. Brian Cobb <br /> January 13, 1995 <br /> Page 2 <br /> under gradients ranging from approximately 0 002 to 0.004 feet per foot. Analytical results <br /> show an increase in petroleum hydrocarbon constituent concentrations in Wells MW-1 through <br /> MW-3,MW-5 and MW-6, since last quarter. A summary of the depth-to-water measurements, <br /> calculated groundwater elevations, and analytical results are included in Table 1. A <br /> groundwater contour map, identifying the primary groundwater flow direction on December <br /> 7, 1994 and the analytical results, is included as Figure 1. Field notes, the chain-of-custody <br /> form and the laboratory data sheets are included in Attachment A. <br /> If you have any question regarding the information presented herein, please contact one of us <br /> at your earliest convenience. <br /> Sincerely, <br /> BROWN AND CALDWELL <br /> Todd Miller <br /> Project Manager <br /> Q <br /> . GEO�o� <br /> . k . �::• 00... <br /> THONtra3 K <br /> Thomas K. Wheeler v <br /> NQ 3925 , <br /> California Registered Geologist No. 3925 <br /> OF <br /> M/TKW:evm <br /> T <br /> Attachments <br /> I , <br /> cc: Mr. John Reeves, Attorney at Law <br /> Ms. Linda Turkatte, San Joaquin County Public Health Services Department <br /> 1 i <br /> I <br /> , <br /> I <br /> e <br /> I ` ' <br /> c <br /> 0V1"%E%LM5GSIg1'RLYRPN00!<MTH 1944. 5 ' I I !I I I I I I E I <br /> HPL,,Iu I , r , I <br /> i <br /> I I <br /> l <br /> Brown and Caldwell I G <br /> Consultants I l <br /> I I r�' iq�r I Ali, 14II �r� I`ll I� 'll II I ,I 'r�I ' I_ o ''I� i rl�l� ' , , ��lrl 11 1 dll rE <br /> — 4444 rr <br />