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November 30, 2007 <br /> SOIL SUITABILITY/NITRATE LOADING STUDY <br /> BIRD ROAD FACILITY <br /> 23751 SOUTH BIRD ROAD <br /> TRACY, CALIFORNIA <br /> OUR PROJECT NUMBER: E07183A <br /> Our office was contracted by John Wathen of Shimmick Construction to conduct a Soil <br /> Suitability/Nitrate Loading Study (SS/NLS) for the property at 23751 South Bird Road, Tracy, <br /> California. <br /> The formatting of this report has been designed to follow, to the greatest degree possible, the <br /> EHD'5 Soil Suitability Study Requirements Checklist and Nitrate Loading Study Requirements <br /> Checklist, dated-7ulyl4, 2003. <br /> I. SOIL SUITABILITY STUDY <br /> I.1 Introduction and Proposed Development <br /> The Soil Suitability Study (SSS) was conducted to determine whether the soils are suitable for <br /> use with a septic system. The study was performed according to the requirements of Section <br /> 9-1105.2(d) of the San Joaquin County Development code. A major element of the field work <br /> included conducting percolation tests that meet the required absorption rates as required by <br /> .. San Joaquin County, Public Health Services, Environmental Health Department (EHD). <br /> In addition to conducting the percolation tests, a review of published soil information, geologic <br /> maps, and ground water information was performed to evaluate the suitability of soils for use <br /> with a septic system. <br /> I.1.1 Site Description <br /> The Assessor's Parcel Number (APN) for the Site is 250-100-03. The parcel is 42.39 acres in <br /> size. The project involves the development of 23.5 acres of the land (Plate 1). The County <br /> application number is PA-07-001-331. The Site currently has one residence on site. The <br /> remainder of the property is vacant land. <br /> The elevation of the Site, according to a United States Geological Survey topographic map, is <br /> approximately 30 to 35 feet above mean sea level. The land is relatively flat. <br /> According to the San Joaquin County Community Development Department (www.co.san- <br /> joaquin.ca.us), the subject property is zoned I-W Zone (Warehouse Industrial). This zone is <br /> intended to, "accommodate warehouses and service establishments catering to those uses <br /> r. 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 02007 Neil O.Anderson&Associates,Inc <br />