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h <br /> 1 <br /> 0,(ifA <br /> NEIL O. ANDcRSON & ASSOC., INC.GEOTECHNICAL_SERVICES-ENGINEERING LABORATORIES 22 N Houston Ln <br /> Lodi, California 95240 <br /> J Lodi (209) 367-3701 <br /> Stockton (209) 472-1091 <br /> FAX: (209) 333-8303 <br /> May 27, 1999 <br /> SOIL SUITABILITYINITRATE LOADING STUDY <br /> SUTTER HOME WINERY <br /> 1 18567 JACOB BRACK ROAD <br /> I : <br /> LODI, CALIFORNIA <br /> UP-8 <br /> OUR JOB NUMBER: S98105A <br /> I. INTRODUCTION <br /> i <br /> Our office was retained by The Facility Group Inc. last August 1998 to conduct a nitrate <br /> loading study for the winery effluent disposal of the proposed Sutter Home Winery, located on <br /> Jacob Brack Road. The study was conducted and a letter report was submitted to the Facility <br /> Group Inc. on September 4, 1999. After reviewing the report, the Environmental Health <br /> Department of San Joaquin County required additional items to be completed indicated in a letter <br /> 4 dated February 9, 1999 (attached in appendix). <br /> This report will address the additional requirements of San Joaquin County Development <br /> Title, Chapter 9-1105.2 that include the following: <br /> } <br /> • The intensity and extent of the existing and the proposed development project's use of <br /> septic tanks within and around the area. <br /> j • The suitability of the sail for utilizing septic systems, including percolation rates and soil <br /> profiles. <br /> • The depth and gradient of the water table. <br /> • The history of past uses in the project area to assess potential problems_ <br /> Other items requested are as follows: <br /> i <br /> { • Soil chemical analyses. <br /> • Soil physical property's analysis. <br /> • Ground water analysis, directional flow, aquifers. <br /> • Depth to ground water and seasonal fluctuations. I <br /> • Mass balance of Nitrogen Loading. <br /> • On-site sources of Nitrogen and contribution. <br /> • Calculated impact to underlying groundwater. ; <br /> • Calculated impact to down gradient wells, rivers, lakes, etc. <br />