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K <br /> I <br /> GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> A N p A S 5 0 C I AT E S <br /> INSPECTIONS & TESTING <br /> i I <br /> LABORATORY SERVICES <br /> r <br /> I <br /> POOL ENGINEERING <br /> POST TENSION DESIGN <br /> October 3, 2006 <br /> NOA Project Number:E05141B <br /> k Michael Escotto <br /> San Joaquin County Environmental Health Department <br /> 304 E. Weber Avenue <br /> Stockton,CA 95212 <br /> Re: Harvest Bible Church Nitrate Loading Study <br /> Sunday School Classroom Use <br /> Dear Mike, <br /> The following information is to clarify the usage for the Harvest Bible Church. There was a question <br /> whether the Sunday school classrooms had been incorporated into the final number for usage rates. <br /> i <br /> 3.4 Future On-Site Sources of Nitrate <br /> 3.4.1 Quantity and Quality ofDomestic Wastewater From Proposed Project <br /> The following discussion is for determining the long-term waste water flow generated from the <br /> proposed residences or commercial usage for the nitrate loading analysis and should not be used for <br /> septic system design purposes. Typically, use'estimates for the sizing of septic systems include a <br /> peak use factor,whereas the numbers discussed here are based on long-term averages. <br /> A three bedroom residence and a two bedroom mobile home are present on the subject property.A <br /> three bedroom home is presumed to be occupied by up to four people over the long term, and a <br /> mobile home with two bedrooms is presumed to be occupied by up to three people. Therefore, a <br /> total of seven people will be used to calculate the residential septic tank usage for the site. <br /> The church is proposed to have 15 employees per day during four days of the week, and serve up to <br /> 1,000 members on Sundays:The facility willalso have Sunday school classrooms which will serve <br /> .150 to 200 children on Sundays. The number of children attending the Sunday school is included in <br /> the final member count of 1,000 on Sundays. <br /> The estimated sewage flow rates for use categories are available from a number of references. The <br /> uses presented below were guided by the San Joaquin County On-Site Wastewater Disposal Standards <br /> LODI ■ SACRAMENTO ■ MODESTO <br /> ENVIRONMENTAL DIVISION 902 Industrial Way,Lodi,California 95240 ■209.367.3701 ■ 209369.4228 fax ■www.noanderson.com <br />