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Quarterly Groundwater Monitoring Report,October -December 1995 3 <br /> Manna Pro 4004 South EI Dorado Stockton CA January 16,19% <br /> (MDLs) in the samples from wells MW4,MW-7,MW-8, MW-9, and MW-10 Concentrations of <br /> benzene were detected in samples analyzed from wells MW-1,MW-2, MW-3, MW-5, and MW-6 <br /> These concentrations ranged from a high of 20,000 micrograms per liter(pg/L) In MW-1 to 230 pg/L In <br /> MW-5 TPH-g concentrations were below the MDL of 50 pg/L in the sample from wells MW-4 and <br /> MW-8 Concentrations of TPH-g were detected in samples analyzed from wells MW-1, MW-2, MW-3, <br /> MW-5,MW-6,MW-7, MW-9, and MW-10 These concentrations ranged from a high of 120,000 pg/Lin <br /> the sample from well MWA to 56 pg/L In MW-9 Total dissolved lead was not detected In the samples <br /> collected this quarter <br /> Figure 2 Illustrates the distribution of TPH-g in the groundwater using the October 18, 1995, analytical <br /> results The results of laboratory analyses are included In table 2 The laboratory analytical reports are <br /> included in attachment 3 <br /> If you have any questions or comments, please call our office at(510) 370-3990 <br /> Sincerely, <br /> Groundwater Technology,Inc. Groundwater Technology,Inc. <br /> Submitted by GF�C pproved by <br /> NO 625 <br /> Chnstoph r P DeSocio 4 FAP. rd M TR <br /> masse <br /> Project Manager tered Geo Ist <br /> 6256 <br /> For <br /> Frank J Gorry <br /> Vice President, Operations Manager <br /> National Industry Division <br /> c E Thayer,California Regional Water Quality Control Board, Central Valley Region <br /> Larry Chapman, Manna Pro <br /> Dean Willis, O'Melveny and Myers <br /> Attachments <br /> 1 Tables <br /> 2 Figures <br /> 3 Laboratory Analytical Reports <br /> 42020096 QSs <br /> GROUNDWATER <br /> TECHNOLOGY, INC <br />