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. Quarterly Groundwater Monitoring Report, October-December 1994 3 <br /> Manna Pro,4004 South EI Dorado, Stockton, CA January 19, 1995 <br /> Analytical results reported detectable concentrations of benzene, toluene, ethylbenzene, and xylenes <br /> (BTEX) Benzene concentrations ranged from below method detection limits (MDLs) in the samples <br /> from wells MW-4, MW-7, MW-8, and MW-9 to 29,000 micrograms per liter (.ag/L) in the sample from <br /> well MWA Concentrations of TPH-g ranged from below MDL in the sample from well MW-4 to <br /> 170,000µg/L In the sample from well MWA Attachment 1, figure 2 illustrates the distribution of <br /> TPH-g In the groundwater using the October 12, 1994, analytical results Total dissolved lead was <br /> not detected in the samples collected this quarter The results of laboratory analyses are Included In <br /> attachment 2, table 2 The laboratory analytical reports are Included in attachment 3 <br /> Groundwater Technology is pleased to be of service on this project If you have any questions or <br /> comments, please contact our Concord office at (510) 671-2387 <br /> Sincerely, <br /> Groundwater Technology, Inc Groundwater Tech c <br /> Submitted by Approved by <br /> b Fehr Richard M masser <br /> Staff Geologist Registered E vironmental sessor <br /> No 05466 <br /> For <br /> Frank J Gorry <br /> Vice President, Operations Manager <br /> National Industry Division <br /> cc 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 Figures <br /> 2 Tables <br /> 3 Laboratory Analytical Reports <br /> 0096FI015 202 <br /> GROUNDWATER <br /> TECHNOLOGY, INC <br />