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L <br /> L December 1, 2004 <br /> NOA Project Number. E040117A <br /> ` presented from the references provide general guidance but do not always reflect a match in <br /> usage. Careful examination,professional judgement, and experience are necessary to select a <br /> reasonable flow rate estimate. The flow rates selected for the uses associated with this project <br /> are presented in the following table. <br /> Table 1. <br /> Typical Quantity of Effluent for Parcel 1 from Various Sources. <br /> Category Total People per Average Quantity per Average Dally Flow <br /> Day Person Per Parcel <br /> Residential 4 70 gaUday/person 4 residents/day* 70 gpd/person Svi <br /> =280 gpd <br /> �- Mini-Mart 4 13 gal/day/person 4 workers/day* 13 gpd/person � C <br /> (workers) I —52 gpd <br /> Mini-Mart 10 5 gal/day/person 10 customers/day* 5 gpd/person <br /> (Customers) I I =50 gpd <br /> Note —gpd is gallons per day. <br /> Table 2. <br /> Typical Quantity of Effluent for Parcel 2 from Various Sources. <br /> Category Total People per Average Quantity per Average DLgpd/persond <br /> Day Person Per Pa <br /> Residential 7 70 gal/day/person -7/ 8 residents/day * <br /> V, <br /> -490 <br /> Note —gpd is gallons per day. <br /> For Parcel 1, the total daily waste water quantity is 382 gallons per day. The daily waste water <br /> quantity for parcel 2 is estimated to be 490 gallons per day. <br /> 6 ,The-average,total nitrogen concentration of domestic waste water is normally considered to be <br /> t20-85 mg/L-N (Crites and Tchobanoglous, 1998). For the purposes of the nitrate loading <br /> L estiiiiate,the long-tern average concentration for total nitrogen in waste water is estimated to be <br /> 45 mg/L-N <br /> L <br /> I <br /> ism5 <br /> L <br /> L <br />