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i <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> �o �o <br /> 2 iUnit Supervisors <br /> Donna K Heran,R.E.H.S. <br /> Director <br /> 304.East Weber Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> • =• Al 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 /> caaF _a`P Program Manager <br /> Laurie A.CotuIla,R.E.H.S. Telephone: (2 09)I 468-3420 Margaret Lagorio,R.E.H.S. <br /> �'kou <br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Mark Bareellos,R.E.H.S, <br /> FREDERICK CLARK JUR <br /> CITY OF MANTECA <br /> 1001 CENTER STREET <br /> MANTECA CA 95336 <br /> RE: Manteca City Corporation Yard SITE CODE: 0699 <br /> 210 East Wetmore Street <br /> Manteca CA .95336 <br /> San Joaquin County Environmental Health Department (SJCIEHD) has reviewed <br /> Quarterly Report—First Quarter 2005(Report) dated May 25, 2005 submitted on your <br /> behalf by Advanced GeoEnvironmental, Inc. (AGE) and has the following comments. <br /> In the Report AGE recommends discontinuing analysis for total petroleum hydrocarbons <br /> (TPH) as gasoline, TPH as diesel, benzene, toluene, ethylbenzene and xylenes in all <br /> site wells. This recommendation is based on the history of non-detect of these <br /> constituents in all site wells over eleven quarters of monitoring and sampling. <br /> SJCIEHD agrees with this recommendation. In addition, SJCIEHD recommends, that <br /> based on the historical data, sampling of wells MW i3 , MW-7 and MW-8 be reduced to a <br /> semi-annual basis. Analysis for fuel oxygenates will continue in all other wells on a <br /> quarterly basis until directed otherwise by this agenlcy. <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 /> (_oti: <br /> Lori Duncan, Senior REHS Nuel C. Henderson, Jr., PG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: James Barton, CVRWQCB <br /> Brian Millman, AGE <br /> 1. <br />