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01 1 ,7 gl PE <br /> W <br /> r_ .. <br /> MR! ti <br /> 1 <br /> 1 <br /> FIR <br /> mAR e6 'e6 22:21 EKCELTECK/SF P.7 <br /> Fast-Gas Station EXCRTICH Parch 6, 1999 <br /> Page 4 Project No. 1813G <br /> - i <br /> infinite areal extent. <br /> I 2. T he initial plezometric surface is horizontal. <br /> j %4 3. The well Is pumped at a constant-discharge rate. <br /> 4. The pumped well penetrates and receives water from the full <br /> thickness of the water-bearing formatlon. <br /> 5. Well storage can be.neglected. <br /> 6. Water removed from storage is discharged instantaneous with a <br /> R decline of head. - <br /> 7. The aquifer receives no recharge from any source. <br /> Because these assumptions are rarely met under normal field conditions, the <br /> values determined with these analytical techniques should be considered <br /> best estimates only. <br /> f <br /> graphed The ra data are attached. <br /> s g p i <br /> I <br /> 3.1 Backgmund Test <br /> W Prior to pumping tests, background static water levels were monitored for <br /> `a up to: 24-hours. The purpose of this test was to examine the normal <br /> - - - . ---ground-water surface- conditions__paying- particular__attention to_any <br /> t . <br /> anomalous conditions which might overprint later pumping data. The data <br /> j acquIred during this background test were variable, end probably reflected <br /> aquifer responses to the drilling operations at the site. Drilling during' this 1' <br /> time was required for the installation of temporary plezometric surface <br /> d4 <br /> NEM IRM1131 <br /> i1 .'::: .e..` .___""'"' ..___....-..4-.-...../1wKgs,A .. .. _-...-.....tic ..an_. .�. ..r a ..• <br /> - <br /> Y <br />