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'yi r' r - '7�, _ati? -•%�. � - _'� tom. �'.g• _ .�. <br /> c <br /> tS <br /> Da <br /> to a slight restriction just bel" the surface, the bailer <br /> would not enter the well . <br /> the southerly well next to the entrance ramp, <br /> wall Igo. 2, <br /> was entered next. <br /> tor aTn3G�S5 t-oc.pThbis 4elldhad uabout 10 feet <br /> 34.15 and boric <br /> t' t rri.11in the pit edge. This well <br /> sheared off and is actually <br /> was flushed in the same manner as lVO° fiowards the, with oend iofcthe <br /> iate returns of muddy water, clearing <br /> approximate 10 minute period of purging. <br /> Well No. 3, the northerly well , Was the last to be entered. <br /> ntr <br /> This well was known to-be pluggdthwtng to he electpicv <br /> attempt. This was cothe well porobeiuseandy <br /> nf'rmed bybe <br /> the pvc pipe when rufirst, <br /> an internal upset att <br /> ttthe <br /> entered with the pipe <br /> _ owin g tojoint was removed and <br /> uppermost well joint. The upper well <br /> replaced by internal flush pipe, this enabled the purge pipe <br /> to be run to about 35'toc. Fater was introduced as beferwas <br /> but there were no returns to the surface. The wash pier the <br /> reciprocated in order to clear <br /> aj joint, leavingabout25' of pipe <br /> wash pipe pulled apart at a j g <br /> in the hole . Operations were shut down at this Point ow n <br /> to the time, 4:45 pM, and the fact that two wells couldn't <br /> be entered with the bailer. <br /> turned to Well Ido. 3 and <br /> On March 23, Richard Thorpe re <br /> fished the lost pipe by inserting and cementing a joint n <br /> place at the separation. Owing to the fact that water <br /> returns had not been obtained, it was feared that the perf- <br /> orated interillkasmight <br /> be damaged and no further attempt to <br /> purge the <br /> on March 30, 1990, all three wells were developed <br /> .byAllen, <br /> pumping. In attendance were: Richard Thorpe, urged <br /> Bill Hunter and Darlene Reuss. Because the <br /> to wells <br /> imate wereapurge <br /> mount <br /> with City water and there was no waY <br /> of water that might have entered the formations, <br /> of <br /> decided to pump out about three times the req <br /> far testing or pump the wells dry if ttza' occurred first. <br /> hree <br /> A rented Geo-Guard bladder pump w used o�halpzellsoduces <br /> This Dump is a down-hole air cycling pump and tubing were <br /> through flexible plastic �hb�re�talea- ncy, Environmental <br /> certifiedyto be clean by 55 gallon arums with sealable tops <br /> Instruments, concord, <br /> were on site for collection of the water pumped from the <br /> wells. This eater was to be saved at the .dim Thorpe storage <br /> local sewer if no contamination <br /> lot and disposed of into the <br /> ----- --- - was--found--- -- -- <br /> the northerly well , at <br /> Pumping was started at Well No. 3, <br /> o <br /> about 11 : 15 ;%M. Muddy, silty water was produclean water ufor <br /> 0 <br /> minutes, then the well produced essentially <br />