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r <br /> �I!r ®AL AK <br /> Working to Restore Nature <br /> Groundwater Remediation <br /> Based on analytical data collected from groundwater to date, it is our opinion that active <br /> groundwater remediation is not warranted at this time. <br /> CONCLUSIONS <br /> The groundwater gradient and direction have consistently been toward the east to southeast. <br /> Dissolved gasoline hydrocarbons were detected in groundwater samples collected from <br /> monitoring wells MW-1, MW-2, MW-3, and MW-5 but were not detected in wells MW-4 <br /> • and MW-6. Well MW-1 did not contain TOG at concentrations above laboratory detection <br /> limits. <br /> Based on data collected to date, residual hydrocarbons in soil and dissolved hydrocarbons <br /> in groundwater have been adequately delineated at the site. <br /> DOCUMENT DISTRIBUTION <br /> Ms. Mary Meays <br /> San Joaquin Public Health Services <br /> P.O. Box 2009 <br /> Stockton, California <br /> 95201 <br /> Ms. Elizabeth Thayer <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Sacramento <br /> California 95827-3098. <br /> • <br /> • <br /> 1213cear/30004-8 6 <br /> • <br />