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I . <br /> k <br /> E"VYROMMUTAL A.HALYSIS <br /> The local groundwater +. <br /> gradien.. is flat and flow rates <br /> The greatest difference in natural groundwater elevationre slaw. <br /> f across the site before installation of well Rw-1 was 0. bHervsd <br /> rate of horizontal migration is limited4,cThe <br /> � <br /> estimated from Ea±ccsltech's under natural conditions, <br /> data to be 3-20 inches <br /> ! Per day. The <br /> direction of <br /> groundwater motion was toward <br /> RW-1 during its <br /> operation. The cZoQest off-site wells are <br /> k'$ about one-tenth of <br /> xaile away a <br /> m y and are used internittently for domestic or <br /> agricultural water supply and irrigation. Oro <br /> undwater flow <br /> trends are illustrated by Figures` a gores 11 through 16. <br /> r Leakage of contaminated water from the zone;y e 3 aquifer to the zone <br /> aquifer i <br /> fOerlY. occurred through the interconnected receive r <br /> i <br /> Well RW-1 <br /> , since rem ' <br /> oved <br /> which <br /> hiC <br /> h <br /> was completed in zo t <br /> ne <br /> � s 3 <br /> ate. 4 <br /> I <br /> Pumping Ca of edntaminants between the z• and <br /> The degree of Contamination of zone g ones. <br /> appears to be minor bused # <br /> on water analyses from well MW-20. MW-20 is the only <br /> currently completed iwell i <br /> In zone 5. <br /> Va <br /> K <br /> 25 <br /> 6 <br /> k <br />