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groundwater flow direction (southwest and gradient <br /> during the 1989 J H Kleznfelder and (�002 to 0 004 ft/ft) determine <br /> Quarterly Associates, Inc d <br /> Y monitoring conducted b (Kle1nfelder) assessment, <br /> and Third Quarters of 1992 Y Roy F. Weston (Westn <br /> southwesterly and the First and Second ) during the Second <br /> Y groundwater flow direction far all Quarters of 1993 indicated a <br /> An easterly flow diTection oras re quarters "CePt First <br /> and flow was a Ported for this P Quarter 1993. <br /> appear to be susceptible to seasonal fluctuations gradient <br /> The regional groundwater is reported to fl <br /> atioris <br /> Pumping wells, rechar e now towards the northwest <br /> cause of the local southwester) flow Cher to <br /> gradient influences m Local <br /> The tidal fluctuations of the Stockton Den May be the <br /> Oil the groundwater beneath the Stockton Serve Water Channel have little i <br /> effect an the Service Center and a influence <br /> groundwater gradient or flow direction at the s• appear to have no <br /> From the available geologic data, the ii site <br /> serni-confined, with a clay layer on the be upper aquifer at the site <br /> aquifer itself consists of silty d a silty appears to be <br /> Waste Science Investigations sn d, with a o clay layer n top The <br /> typical porosity of Q 30 Bonn <br /> investigations are d transcribed logs from the g logs from <br /> Provided zrz Appendix C Kleinfelder and Weston <br /> Slug tests conducted by Waste Science in <br /> aquifer is capable of sustainin January 1994 indicate that the site <br /> A g an extraction rate of 10 <br /> (Appendix B) With this flow rate, thea uifer gallons <br /> Of the aquifer of saturated thickness (estimated drawdown Per minute (gpmj <br /> w111 be less than SO <br /> on this flow rate and the aquifer characteristics,to be apprOximatel 12 feet percent <br /> extraction well is conservatively estimated Y Based <br /> nstics, the radius of influence for an <br /> to be 30 feet <br /> 94RB <br /> 40429601 rap <br /> S Fast Bay Mvnwipa! Uhtiry D,stnct <br /> P'Omt(hal Acton plan <br />