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stainless steel bowl, then decanted into a plastic container and placed on ice for <br />transport. The samples were analyzed for nitrate by FGL Environmental of Stockton. <br />The results of the rainwater sampling are as follows: <br />Table 3. Rainwater Nitrate Concentration <br />Date Nitrate (mg/L-N) <br />5/17/2019 0.4 <br />5/19/2019 0.2 <br />3/16/20 0.2 <br />5/18/20 0.4 <br />1/27/21, 10:00 0 (Non-detect) <br />1/27/21, 19:30 0 (Non-detect) <br />1/29/21 0.2 <br />2/11/21 0 (Non-detect) <br />2/12/21 0.1 <br />Average 0.17 <br />Live Oak then averaged the concentrations of the nine samples, for a value of 0.17 <br />mg/L-N to represent the nitrate concentration of rain. <br />Because the San Joaquin County Environmental Health Department has requested that <br />local and recent data be utilized wherever possible, the concentration of the Lodi <br />rainwater been selected for use in the nitrate loading calculation. <br />Quantity and Quality of Domestic Wastewater <br />Ms. Sweeny proposes to construct a four-bedroom home on the Site. The existing <br />home has three bedrooms. <br />Crites and Tchobanoglous (1998) list a typical flow rate of 50 to 70 gallons per person <br />per day for an individual residence. In the past, San Joaquin County Environmental <br />Health Department has requested that the flow rate be calculated as 140 gallons per <br />bedroom per day to reflect maximum usage. On March 4, 2020, however, Michael Kith <br />of the San Joaquin County Environmental Health Department dictated a new procedure <br />for calculating residential flow, developed in consultation with Norman Hantzsche <br />(author of the 1992 paper discussed previously). He indicated that wastewater flow <br />LOGE 2148 Page 10