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APR-28-98 TUE 8:59 MOORE PETROLEUM FAX NO. 2098359353 P. 05 <br /> PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL <br /> HEATZH DIVISION <br /> Karen Fursr, M.D., M.P.H., Health Officer Pr— <br /> 304 East Weber Avenue, Third Floor • Srockron, CA 95202 � l <br /> 209!/68-3420 � Ll <br /> TiM &TINA RHODE OR 2 7 1998 <br /> 1148 S MAIN STREET el, (90MANTLCA CA 95337 � <br /> RE: Domestic Well at 14852 S. Hwy 99, Manteca <br /> San,ioequin County Public Health Ser4ices, Environmental Health Division(PHSIEHD)has <br /> determined that the site investigation and remedial action of soil and groundwater contamination I <br /> resulting from a release of gasoline from the former underground storage tanks at 14800 S. Highway <br /> 99, Manteca,has been completed. PHSIEHD will request concurrence from the Central Valley <br /> Regional Water Quality Control Board on this decision. <br /> In a letter dated, February 16, 1998,APEX Environtech, Inc. informed you'hat your domestic well at <br /> the above referenced address, was sampled on May 29, 1997, and the lab reported 62 parts per billion <br /> (ppb)of total petroleum hydrocarbons as gasoline(",'PH-g)in the sample. PHSIEHQ has enclosed the <br /> lab data sheets for the water sample collected from your Weil on that date. Please note that 1,2- <br /> Dchloroethane(EDC)was detected at 2 ppb, MY8E.at 10 ppb, and Xylene at 2.7 ppb as well as TPH- <br /> g, Water samples collected from your well in August and November 1997 did not indicate any of these <br /> contaminants. <br /> EDC is still being detected in the monitoring wells at.14800 S. Highway 99. EDC is more resistant to <br /> clean up and further efforts to remove it from the water would not be cost effective. The water supply <br /> well at the gas station had EDC detected in several of the water samples collected from it so it has <br /> been replaced with a deeper screened and grouted well. <br /> Since the construction of the well on your property is nut known, PHS/EHD is concerned that <br /> eventually your well may be impacted and it will not be evidenced because your well will no longer be <br /> sampled. <br /> Please discuss any concerns or options you may have with Jerry Moore of Moore Petroleum or Tom <br /> Landwehr at APEX. <br /> If you have any questions Contacl me at(209)468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> 1 <br /> Margaret Lagoric, Supervising RENS <br /> Site Mitigation Unit <br /> C: ;VRWOCS- Pat Anderson <br /> ,/Moore Petroleum-Jerry Moore <br /> APEX-Torn Landwahr <br /> i <br /> p h.,.L:.,..nCQ..n In,nuG.. f-'..uww•S.1 r.IrF�,�.C�rvirra <br />