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GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> AN D ASSOCIATES I INSPECTIONS & TESTING <br /> LABORATORY SERVICES <br /> POOL ENGINEERING <br /> UL) <br /> 1 tj POST TENSION DESIGN <br /> L=� <br /> I March 2, 2006 w � D� <br /> NOA Project Number:E06006A <br /> Greg Oliveira <br /> NVIRON11, ENT HEALTHPERMIT/SERVICESSan Joaquin County Environmental Health Department <br /> 304 E. Weber Avenue, 3rd Floor <br /> Stockton, CA 95202 <br /> j <br /> Re: Nitrate Loading Study Change <br /> .� �.�.. DeLR..O.Pro.ect,YP - - _ _. -- <br /> 9103 S. Airport Way, Stockton, CA <br /> APN 177-050-10 <br /> Dear Greg, <br /> Per your request, we understand you would like a change in the nitrate loading calculation for the <br /> subject project. You have requested an increase of 70 gallons per day of water reflecting kitchen <br /> uses associated with the project. For background information, please refer to the subject Nitrate <br /> Loading Section contained in the report titled— SOIL SUITABILITY/NITRATE LOADING STUDY: <br /> PART I: SOIL SUITABILITY STUDY,PART Il:NITRATE LOADING STUDY,DEL RIO PROPERTY,9103 <br /> SOUTH AIRPORT WAY,FRENCH CAMP, CALIFORNIA. <br /> The following information reflects those requested changes. <br /> Table 1. <br /> Typical Quantity of Effluent <br /> Category Total People per Average Quantity per Average Daily Flow <br /> Day Person Per Parcel <br /> Residential W 7 70 gpd/resident 7 residents*70 gpd=490 gpd <br /> Commercial-- 2(shift 1) 13 gpd/employee 2 employees* 13 gpd*5/7 = 18.6 gpd <br /> * <br /> Employee 2(shift 2) 2 employees* 13 gpd 5/4= 32.5 gpd <br /> Commercial-- 60 5 gpd/customer 60 customers* 5 gpd= 300 gpd <br /> Customer <br /> Kitchen Use 70 gpd additional use for kitchen 70 gpd <br /> Total Average Daily Flow(gallons): 911.1 <br /> Note —gpd is gallons per day;5/7 is a conversion factor for the 5-day work week(shift 1);5/4 is a conversion <br /> factor for a 10-hour work day(shift 2). <br /> For the subject property, the total daily waste water quantity is 911.1 gallons per day. <br /> LODI ■ SACRAMENTO ■ MODESTO <br /> ENVIRONMENTAL DIVISION 902 Industrial Way,Lodi,California 95240 0 209.367.3701 ■ 209.369.4228 fax ■www.noanderson.com <br />