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V 14d <br /> KLEINFELDER <br /> An employee owned company <br /> File No. 19046.G01 <br /> August 8, 2002 <br /> Mr. Matt Ospital <br /> Sierra Organics <br /> 9999-1 Austin Road <br /> Manteca, CA 95336 <br /> Subject: SOILS SUITABILITY AND NITRATE LOADING STUDY <br /> 4343 SOUTH McKINLEY AVENUE <br /> STOCKTON, CALIFORNIA <br /> Dear Mr. Ospital: <br /> Kleinfelder is pleased to present the results of our soil suitability and nitrate loading study for a <br /> proposed building to be located at 4343 McKinley Avenue in Stockton, California. The purpose <br /> of our study was to determine the suitability of the property for septic tank usage. The study was <br /> performed in general accordance to the requirements of Section 9-10100© of San Joaquin <br /> County Ordinance. The following includes background information regarding the proposed <br /> development, present use of the site, and the groundwater depth in the project area. In addition, <br /> discussions regarding our investigative procedures and the site conditions encountered during <br /> our field exploration and the results of percolation tests are presented. Finally, the results of our <br /> nitrate loading calculations and project limitations are provided. <br /> PROPOSED DEVELOPMENT <br /> On a preliminary basis, we understand the subject 23.76-acre project site will contain a <br /> commercial building and possibly multiple warehouse-type struc es. a sr a cu e <br /> contains multiple dilapidated structures, one or more of which are planned for rehabilitation. <br /> According to you, the business will have a total of about 10 employees. None of the buildings <br /> will have cafeteria facilities inside. <br /> We anticipate that waste disposal for the buildings will be provided by an individual on-site <br /> sewage disposal system consisting of a septic tank/leach trench sewage disposal system. <br /> GROUNDWATER DEPTH <br /> During the time of our investigation, groundwater was not encountered. Lines of Equal Depth to <br /> Groundwater contour maps published in groundwater reports by the San Joaquin County Flood <br /> Control and Water Conservation District show groundwater levels in the project area ranging <br /> from about 15 to 50 feet below ground surface from Spring 1981 to Spring 1999. <br /> 19046.G01/ST02R325 August 8,2002 <br /> ©2002 Kleinfelder,Inc. Page I of 4 <br /> KLEINFELDER 2825 East Myrtle Street,Stockton,CA 95205-4794 (209)948-1345 (209)948-0621 fax <br />