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r.- 69!1712663 09:39 209832 ,' :WRIGHT ENUIRONMFL PAGE 64 <br /> a <br /> E I <br /> 1 <br /> T <br /> Response to PHS lr*MD Comments Letter D#ted September 10, 2003 <br /> Extraction Well and Monitoring be <br /> rliY0rlf1 FIFO Det ails " ,. <br /> Wright has prepared the anticipated construction details for the wells and probas <br /> attached as Figure 1. The wells and probes would be installed under, approv:ad <br /> access agreements and PMS FHR permits" The under.Wg ed CEG has reviewed t.je <br /> above workplan and attached'-well details specifications. <br /> Well and Probe Locations <br /> The two extraction wells and three vapor prates are `Anticipated to be installed -in <br /> individually drilled holiowstem; boreholes (clustered not in a nested installation) on <br /> the downgradlent side of the'site_ The probes positions may be adjusted due I,o <br /> utilities and the very small size of the site,`'as well as Ito !allow the interpreted be it <br /> locations for collecting data. <br /> Measuringf <br /> Gauge installation <br /> I• r <br /> Magnahelix gauges will be installed an each well and probe wellhead and sealed 10 <br /> prevent leakage during testin ,and pressu� readings. ;The gauges will be`adjustsd <br /> as needed by the engineer far the work. r <br /> Well Installation <br /> Wright will schedule the well installation to commence by October 18, 2003. <br /> you F� <br /> If have any Y questions, please call, <br /> Sincerely, E f <br /> Wright Environmental Services,'Inc. <br /> Q � <br /> �c1�t.iC s E k° 1262 <br /> CE,RV IEu <br /> John Lyne;. Christopher M. Palmeri �.'l61"FL,-R;IVG <br /> President REAll 201�85,'_CEG 1262 tP� GEOLOGIST <br /> CP CAUY <br /> Attachment: Figure 1. Vapor por Extraction Well and Vapor P�ote Specifications ' <br /> Revision Z , Page 3 of 3 <br /> 1 <br /> I <br />