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FILEClOPY <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> ,qu'N SAN JOAQ <br /> I IN COUNTY <br /> Unit Supervisors <br /> Donna K.Heran,R.E.H.S. Carl Bor man,R,E.x.S. <br /> Director 304 East Weber Avenue, Third�Floor Borg <br /> man, <br /> Olsen,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,Wilson, <br /> S.,R.D.I. <br /> , Douglas W.Wilson,,R.E.H.S. <br /> cA .. gip Program Manager Telephone: (1209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> 'F o Laurie A.Cotulla,R.E.H.S. <br /> Fax: (209) 464-0138 Robert McCleilon,R.E.H.S. <br /> Program Manager Mark Barcellos,R,E.H.S. <br /> FREDERIC CLARK <br /> AUG 15 2002 <br /> CITY OF MANTECA <br /> 1.001 W CENTER STREET <br /> MANTECA CA 95336 <br /> RE: Manteca City Corporation Yard SITE CODE: 0690 <br /> 210 E. Wetmore Street <br /> Manteca CA 95336 <br /> San Joaquin County Environmental Health Department (SJCIEHD) has reviewed the <br /> `Monitoring Well Installation and Quarterly Report— First Quarter 2002' dated March 29, <br /> 2002, and the 'Quarterly Report- Second Quarter;2002' dated July 9, 2002 that were <br /> prepared on your behalf by Advanced Geo Environmental, Inc. (AGE) and has the <br /> following comments. <br /> In January 2002 three additional monitoring wells were installed at this site to further <br /> define the lateral extent of the shallow contaminant plume. Two reported quarters of <br /> monitoring and sampling of the new wells indicate that lateral definition of the plume has <br /> not been made to the north/northwest. The reports recommend installation of two <br /> additional monitoring wells north/northwest of monitoring well MW-5. <br /> SJCIEHD agrees that further investigation must be completed at this site. Please submit <br /> a work plan to complete the horizontal and vertical definition of the contaminant plume. <br /> The work plan is due October 18, 2002. <br /> If you have any questions or comments please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, RENS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS Nuel C. Henderson Jr., R.G. <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: Marty Hartzell, CVRWQCB <br /> Brian Millman, AGE <br /> I <br />