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GEOTECHNICAL., <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> A N D A .S S O C I A T 'E S INSPECTIONS z TESTING <br /> LABORATORY :SERVICES <br /> 4 POOL ENGINEERING <br /> POST TENSION DESIGN <br /> August 5, 2005 <br /> 1 NOA Project Number: E05098A <br /> PART II: NITRATE LOADING STUDY <br /> Li <br /> LANGE TWINS WINE COMPANY, INC. <br /> 1298 EAST JAHANT ROAD <br /> U <br /> ACAMPO, CALIFORNIA <br /> SJC APPLICATION NUMBER: PA-0500424 (Pending) <br /> 1 ✓INTRODUCTION <br /> Our office was contracted by Mr. Randall Lange of Acampo to conduct a Nitrate Loading Study <br /> (NLS) for the property at 1298 West Jahant Road,Acampo, California. Our office was contracted by <br /> Please refer to the relevant sections of the attached Soil Suitability Study (SSS) for introductory <br /> project details. <br /> To expedite San Joaquin County Environmental Health Department (EHD) review, the <br /> formatting of this report has been designed to follow)"to the greatest degree possible, the <br /> structure of the EHD's Nitrate Loading Study Requirements Check&4 dated July 14, 2003. <br /> U <br /> /Because of concern regarding nitrate leaching into ground water from septic systems, a nitrate <br /> Uj loading analysis was required by the EHD for the proposed development to measure the potential <br /> concentration of percolating effluent and rain fall over the long term. Where percolating effluent <br /> leaches into the ground,ground water quality may be impacted to some degree should the effluent <br /> reach ground water. <br /> The method utilized for the nitrate loading analysis is based on a simple mass balance formula, <br /> discussed in a published article by Hantzsche and Finnemore (1992),which provides a convenient <br /> and simplified method to estimate long-term ground-water nitrate impacts on an area-wide basis. <br /> Hantzsche and Finnemore found that over a long period of time,water quality.in the upper <br /> saturated ground-water zone closely approximates the quality of percolating recharge waters. They <br /> believe that their method is a good planning tool and provides useful information to planners and <br /> ULODI ■ SACRAMENTO ■ MODESTO <br /> UENVIRONMENTAL DIVISION 902 Industrial Way,Lodi,California 95240 ■209.367.3701 ■ 209.369.4228 ■www.noanderson.com <br />