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Mr John Joivasa� <br /> f 5 Project 113-26-02,December 16,1993.' r <br /> Page 3' k$ <br /> Groundwater Elevations <br /> 95 MW _ <br /> _. ❑ MW-2 <br /> �t 94 <br /> .y7.""c�mf <br /> iMOW <br /> rt s � - �v W' a z, �:,S.w 7 ,` 8 F's ' `+• �'-1xxS�`.r�sb,' � �:.'�;�a-�..v. -� Y ...rte h x,.35 ,{ <br /> G <br /> e..,�- .sf1 ' g k--'".y �`?'�7` � �". ,�t ► � x '�"'E,�+�$`�. �Svc.}` +r 3u' r tt.�., "it'r3 4 �- '�- <br /> 4:? 'r.s .k.". .a. ;''-Y}+'�a° ?�°j'�i. , '4'f'fie t"F+ 'Kf� wj k a •�' s�'?' -�i.Y ,'�' i3.-,,. - tir i 5 s 'tV�Y'. <br /> {' . Each monitoring well.was purged using an electric submersible pump prior to Y 4. <br /> sampling.,Approximately,10 gallons-was removed from each wellmore_than three'. ' <br /> well volumes-per.`well. Water levels after`purging showed no ssignificant change m <br /> prior to sam lin All ur water was laced in a"sealed,metal drum..Before the <br /> p P g P ., p.. <br /> next well was purged and sampled,.the pump'was.run in one bucket with detergent .Y <br /> and two separate buckets with ta ,wateir.ll I;A .purge water and equipment wash.water x <br /> was placed in,DOT 17H.55.gallon:'steel drums and remains m4si#e..The water aniT _4 <br /> drums will be:disposed'on your-authorization with--documentation forwarded upon: <br /> completion. {° <br /> After each.well was purged, a sample,was•taken using a,disposable'-bailer. The s<<. <br /> sample water was placed in two 40-milliliter vials filled so that there was_no air- <br /> (head space) remaining in the vials. Samples were labeled and placed on ice in a <br /> cooler for transport to a state certified hazardous materials testing laboratory, <br /> McCampbell Analytical of Pacheco, California. The samples were analyzed for TPH- <br /> gasoline, and BTEX using EPA Methods 8015 and 8020, respectively. A copy of the. <br /> laboratory report and Chain of Custody form are appended to:this report. <br /> f <br /> Parker Environmental Services, 190 East 7th Street, Pittsburg, CA 94565-2317 <br /> Phone (510) 439-1024 Fax (510) 439-2566 <br /> i <br /> i' <br />