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Mr Russel Chapin <br /> June 21, 1996 <br /> Page 2 <br /> RECOMMENDATIONS <br /> Permitting and installation of the vapor extraction system is ongoing We anticipate the <br /> system will be in and operating within 30 to 60 days, depending on permit requirements In the <br /> Interim, regular quarterly groundwater sampling of all of the wells, as required by San Joaquin <br /> ' County Environmental Health Department and the California Regional Water Quality Control <br /> Board, should continue <br /> There has not been complete delineation of the contamination plume, as indicated by the <br /> presence of detected contamination in well MW5 It appears that additional wells will be <br /> required to the south of MW5, to the north of well MW3, and to the west of well MW3 and <br /> MW5 Each of these wells would be located offsite, and would require encroachment permits fro <br /> adjacent owners and/or the City of Stockton <br /> Please call if you have any questions regarding this project <br /> Sincerely, <br /> MLUSH EOSCIENCES <br /> ' Andrew P Lush No 4421 <br /> Senior Geologist /a/f <br /> R G �st F`^^►2 1 tr h <br /> ' lglf OF G'`�...�s� <br /> � t <br /> I530-001 LUSH GEOSCIENCES <br />