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PUBLIC 14EALTH SERN/,TCES <br /> P,O U f!y <br /> SAN JOAQUIN COUNTY <br /> r. <br /> ENVIRONMENTAL HEALTH DIVISION a ; <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E. Weber Ave., Third Floor * P. O. Box 388 Stockton, CA 95201-0388 <br /> 2091468-3420 ��/ <br /> PAMELA LOPEZ � FEB 2 2 996 <br /> PO BOX 393 <br /> THORNTON CA 95686 <br /> Re: Lopez Property Site Code: 1930 <br /> 26500 Nowell Road <br /> Thornton CA <br /> Pursuant to telephone conversations with Fugro West, PHSIEHD is summarizing <br /> directives issued, based on economic considerations and field conditions observed <br /> during the February 5 and 6, 1996 investigation. The purpose of the investigation <br /> was to determine the extent of soil and groundwater contamination. <br /> Field screening of soil and groundwater samples observed during the installation and <br /> drilling of MW1 , MW2, and SBA1 and SBA2 suggested that the migration of <br /> contamination was not as extensive as previously estimated, based on the November <br /> 28, 1994 investigative results. Therefore, PHSIEHD requested a modification of the <br /> approved work plan to provide for the installation of MW3 using the borehole drilled <br /> approximately 10 feet from the former tank location (then identified as SBA2) and <br /> further investigation of the vertical extent of the contamination in the former tank <br /> location. <br /> If you have any questions or require further information, please contact Mary Meays <br /> at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Mary Meays, Senior REHS Diane M. Hinson, REHS <br /> Site Mitigation Unit Supervisor <br /> MM126500.NOW <br /> cc: Elizabeth Thayer, CVRWCQB <br /> George Lockwood, SWRCB <br /> Alan Klein, Fugro West 1050 Melody Lane, Suite 160 Roseville CA 95678 <br /> A Division of San Joaquin Count? Health Care Services <br />