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ENVIRONMENTAL HEALTH DEPARTMENT <br /> ±" SAN JOAQUIN COUNTY <br /> Donna K.Heron,R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue, Third FIoor Carl Borgman,R.E.H.S. <br /> `y 5 Al Olsen,R.E.H.S. Stockton, California 95202-270$ Mike Huggins,R.E.H.S.,R.D.I. <br /> C <br /> Program Manager <br /> Douglas W.Wilson,R.E.H.S.Tele hone: 209 468-3420 <br /> LrFORa Laurie A.Cotulla,R.E.H.S. � ( ) ret gllon,R.E.H S. <br /> Program Manager Fax: (209) 464-013$ Robert McC <br /> Mark Barcellos,R.E.H.S. <br /> LIGAYA REYES IBANEZ APR 10 ma <br /> CALIFORNIA MqY PATROL <br /> FACILITIES SECTION <br /> P O BOX 942898 <br /> SACRAMENTO CA 94298-0001 <br /> RE: California Highway Patrol SITE CODE: 1904 <br /> 385 W. Grant Line Rd. <br /> Tracy, CA <br /> San Joaquin County Environmental Health Department (EHD)has not been informed of or <br /> received any reports of quarterly monitoring of the monitoring wells at the above referenced site <br /> since the URS Corporation report dated December 7, 2000, for water samples collected October <br /> 31, 2000. On January 25, 2002, EHD directed that the monitoring wells at this site be placed on <br /> a quarterly monitoring schedule immediately, that a quarterly report be submitted to EHD by April <br /> 1, 2002, and that the water samples from the monitoring wells be analyzed for total petroleum <br /> hydrocarbons as gasoline, benzene, toluene, ethyl-benzene, xylene and 5 oxygenates (MtBE, <br /> DIPS, TAME, ETBE, TBA) using appropriate EPA Methods. Compliance with this directive has <br /> not been accomplished. <br /> In addition, the work approved by EHD in March 2001, to investigate the lateral and vertical <br /> extent of the groundwater contaminant plume has not been performed. EMD is aware that you <br /> have not been able to gain access to the private property north of this site to perform this <br /> investigation. EHD staff went to the site on March 14, 2003, to evaluate other options after <br /> discussion with State of California General Services Department staff. EHD approves the <br /> installation of the deeper screened monitoring well described in the URS March 16, 2001,work <br /> plan on site, west of the above ground storage tank. The information from this monitoring well <br /> and the sampling, monitoring and reporting information from the current on site wells will be <br /> discussed with the Central Valley Regional Water Quality Control Board prior to requiring further <br /> off site investigation. <br /> It has been over 2 years since data has been provided on the contaminant plume at this site. The <br /> above work must be completed by July 15, 2003. <br /> If you have any questions contact me at(209)468-3449. <br /> Donna Heran, REHS <br /> Director of Environmental Health <br /> Margaret Lagorio, Supervising REHS <br /> Unit IV/LOP <br /> C: CVRWQCB--James Barton <br /> URS—Philip Cox <br /> Albert& C Navarra <br /> CA Dept General Service, James Ueda, 707 3rd Street, Suite 4330, Sacramento, 95605 <br />