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ENVIRONMENTAL HEALTH IiEPARTMENNT <br /> SAN JOAQUIN COUNTY <br /> Unit Supervisors <br /> Donna K.Heran,R.E.H.S. <br /> Carl Borgman,R.E.H.S. <br /> Director 304 East Weber Avenue, Third Floor <br /> A]Olsen,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S.,R.D.I. <br /> Douglas W.Wilson,R.E.H.S, <br /> Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R,E.H.S, <br /> Laurie A.Cotulla,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Mark Barcellos,R.E.HS, <br /> PETER LENZ UUL 2 6 2005 <br /> 6465 PACIFIC AVE <br /> STOCKTON CA 95207 <br /> RE: Howard Lenz Property SITE CODE: 2182 <br /> 1648 Shaw Road <br /> Stockton CA 95215 <br /> In correspondence dated February 14, 2005 you were directed by San Joaquin County <br /> Environmental Health Department (SJC/EHD) to submit a work plan for initiation of <br /> interim remediation by soil vapor extraction and for the installation of additional shallow <br /> groundwater monitoring wells. The work plan was due for submittal to SJC/EHD no later <br /> than March 25, 2005, but has not been received by this agency. <br /> SJC/EHD has reviewed Quarterly Report— First Quarter 2005 dated June 30, 2005, <br /> submitted on your behalf by Advanced GeoEnvironmental, Inc. (AGE) and notes that in <br /> this report AGE recommends operation of an interim soil vapor extraction system. The <br /> groundwater elevation at this site has increased significantly since fourth quarter 2004; <br /> monitoring well MW-1 was sampled for the first time since February 2002, Additional <br /> shallow monitoring wells may still be justified. <br /> A work plan for initiation of interim soil vapor extraction and installation of additional <br /> monitoring wells is to be submitted to SJC/EHD no later than September 1, 2005; the <br /> work is to be completed within 6 weeks of SJC/EHD approval of the work plan, and a <br /> report of the work is to be submitted to SJC/EHD within 8 weeks of completion of the <br /> field work. <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 Margare eagorio, S HS <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: James Barton, CVRWQCB <br /> Daniel Kalmbach, AGE <br />