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ENVIROIMENTAL HEALTH bEPARTMENT <br /> U " ' SAN JOAQUIN COUNTY <br /> Donna K. Heran, R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> At Olsen, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S., R.D.I. <br /> cq� Foxd p Program Manager Telephone: (209)468-3420 Douglas W.Wilson,R.E.H.S. <br /> Laurie A. Cotuaa, R.E.H.S. Margaret Lagorio,R.E.H.S. <br /> Program Manager Fax: (209)464-0138 Robert McClellon, R.E.H.S. <br /> Website:www.sjgov.org/ehd/ Jeff Carruesco, R.E.H.S. <br /> January 23, 2006 <br /> COPY <br /> David Welch, Principal Geologist <br /> Neil O. Anderson&Associates . <br /> 902 Industrial Way <br /> Lodi, California 95240 <br /> RE: Soil Suitability Study for 23403 S. Hansen Road, Tracy <br /> Land Use Application # PA-04-00791 Service Request# SR0043522 <br /> San Joaquin County Environmental Health Department has received and reviewed your <br /> Soil Suitability Study dated July 20, 2005, and has found it acceptable. <br /> SPEICAL COMMENTS AREA: <br /> 1. All new septic systems shall incorporate increased tank capacity and a modified filter <br /> bed with four to six inches of compost peat to reduce the percolation rate and improve <br /> the treatment of wastewater, as recommended in the study. <br /> 2. All new domestic water wells shall require 200- foot grout seals due to the presence <br /> of nitrate concentration above the maximum contaminant level of 45mg/l. <br /> If you have any questions, please contact David Van Dyne, Senior Registered <br /> Environmental Health Specialist of my staff at(209) 468-3453. <br /> Donna Heran, R.E.H.S., Director <br /> Environmental Health Department <br /> vi <br /> Mike Huggins, Supervising R.E.H.S.,R.D.I. <br /> Environmental Health Department <br /> MH: tl <br /> c: Dolores Lim <br /> SSS Iv.Rev.9-01 <br />