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s <br /> 6:A <br /> 32 <br /> GOLDEN GRAIN COMPANY <br /> December 21, 1989 <br /> 202/799-5045.06 <br /> out tests on wells MW-10 through MW- <br /> Results from the slug- ack in these wells has <br /> 14 suggest that the unsaturated sand pwithdrawal; therefore, the <br /> dominated the wells' response to sThe data paints recorded do not <br /> data are difficult to interpret- <br /> define a usable curve for these wells. <br /> 7 on the other hand, being screened <br /> The completion of MW- of the problems <br /> entirely below the water table, eliminates many <br /> Packs located partially above the water <br /> encountered with sand p _ and the <br /> table. The entire screened sectioninTMWse is satiated,ons the <br /> top of the aquifer is semi-confin of water, when <br /> assumptions of the solution algorithm. A slug <br /> removed from the well, <br /> can only flow horizontally <br /> introduced or <br /> into or out of the formation. No water well is lost w in <br /> �itdealgforea <br /> sand pack. Therefore, conditions in this laced in the <br /> slug test, and a fair amount of confidence can be p <br /> .results. <br /> the best <br /> Given the test results summarized in Table 51 <br /> estimate of aquifer characteristics within the gravel layer <br /> probably be an average of the values <br /> beneath the site would p 7• A transmissivity value of <br /> derived from the tests on well MW- tore-zone <br /> approximately 500 gpd/ft has therefore been used in cap <br /> calculations (Appendix V) - <br /> 4.5 DSSr-USSION <br /> The results of the SVS and the fact that no petroleum <br /> nalyses Of any soil samples from <br /> hydrocarbons were detected in a <br /> MW-9 through MW-14 show that the hydrocarbon plume in soil at <br /> extending 50 i.o 100 feet out from the former <br /> this-site, although <br /> - <br /> ...i GROUNDWATER . <br /> TECHNOLOGY.INC. <br />