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1 <br /> Ceo 0 alTechnus Inc Page 2 <br /> George's Service#f 425 2 <br /> Well Log Survey <br /> August 25, 1997 <br /> I <br /> 1 groundwater, have been found in monitoring well, MW-102, at a depth of 50 feet below <br /> ground surface At this time the vertical extent of contamination has not been determined so <br /> 1 we can not qualify the risk these chemicals pose to the surrounding wells From the <br /> hydrogeologtc information available, the vertical groundwater gradient (i e , the rate at which <br /> the groundwater is moving vertically in the aquifer) has been calculated to be -0 0053 ft/ft <br /> 1 Which suggests the in the upper 40 feet of aquifer, the water is moving vertically 2 times <br /> faster then it is moving horizontally The negative sign means the vertical movement is from <br /> the shallower part of the aquifer to the deeper part <br /> 1 GTI recommends that additional hydrogeologic investigation be performed to determine if <br /> the chemicals at 50 feet bgs pose a real threat to the 75 to 100 foot aquifer zone <br /> 1 If you have any questions please contact me at the office <br /> Respectfully, <br /> 1 GEOLOGZCgL TECH-MICS ZNC <br /> 1 � s <br /> Michael J Niemi <br /> Geologist <br />' Raynold I Kablanow II, Ph D <br /> R G 5234 <br /> 1 cc George & Mei Teranish2 <br /> Steve Bond - CRWQCBCVR <br /> Don Light Del - Tech <br /> 1 g yobslgeorgeslgmrgea 4252VptsW25 dw rpt 9708 d« <br /> 1 <br /> 1 <br />