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ENVIRONMENTAL HEALTH DEPARTMENT <br /> PQU'" SAN JOAQUIN COUNTY <br /> -Unit Supervisors <br /> Donna-K.Heran R.E.H.S. Carl Borgman,R.E.H.S. <br /> 304 East Weber Avenue, Third Floor <br /> Director Mike Huggins,R.E.H.S.,R.D.I. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> • .: Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> toR Laurie A.Cotulla,R.E.H.S. Robert McCkellon,R.E.H.S. <br /> Program Manager Far: (209} 464-013& <br /> Mark Barce{los,R.f:.I{.S. <br /> BEVERLY GARCIA <br /> RAYMOND INVESTMENT CORPORATION <br /> P O BOX 567 <br /> STOCKTON CA 95201 <br /> RE: Raymond Investment Corporation SITE CODE 1529 <br /> 730 Channel Street <br /> Stockton, California 95202 <br /> WORKPLAN: Monitoring Well Installation Work Plan <br /> DATED: August 11 2004 <br /> PREPARED BY: Condor Earth Technolo ies Inc. <br /> APPROVED X <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE NN%ORKPLAN [Health&Safety Code (H&S) <br /> Section 25296.10(c)(3)]: <br /> • Install three monitoring wells, MW-1, MW-2, and MW-3, to a depth of approximately ten feet <br /> below the water table (;z 40 below surface grade); <br /> • Collect soil samples during the installation of the monitoring wells for lithological evaluation <br /> and characterization for disposal; <br /> • Analyze soil and groundwater samples-for total petroleum hydrocarbons as gasoline (TPH-G), <br /> total extractable petroleum hydrocarbons as diesel (TPH-D), total extractable petroleum <br /> hydrocarbons as motor oil (TPH-MO), and total extractable petroleum hydrocarbons as <br /> kerosene(TPH-K)by U.S. Environmental Protection Agency(EPA) SW-846 method 8015B; <br /> benzene, toluene, ethyl benzene, total xylenes (BTEX); methanol, ethanol,tertiary butyl alcohol <br /> (TBA), methyl tertiary-butyl ether(MTBE), di-isopropyl ether(DIPE), ethyl tertiary-butyl ether <br /> (ETBE), tertiary-amyl methyl ether(TAME), 1,2-dichloroethane(1,2-DCA), and 1,2- <br /> dibromoethane (EDB),by EPA SW-846 method 826013; and analyze soil samples for total lead <br /> by EPA SW-846 method 7420. Report 1,2-DCA and EDB in groundwater at 0.5 micrograms <br /> per liter(µglL), if possible. <br />