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Proposal 2106c: Ruvalcaba SS/NLS Addendum Page 4 <br /> February 11, 2021 <br /> levels in excess of the MCL. A standard septic system is recommended for the three- <br /> bedroom house. <br /> For protection of the ground water, it is recommended that only shallow septic systems <br /> utilizing leach lines or filter beds be installed on the Site. Although Live Oak cannot <br /> make engineering recommendations, we are aware that in the past the Environmental <br /> Health Department has allowed the use of a slightly oversized septic tank to mitigate <br /> nitrate impacts; this option may be worth exploring for the Site. <br /> Please feel free to contact our office should you wish to discuss the nitrate loading <br /> analysis or rainwater sampling results. <br /> Sincerely, <br /> Live Oak GeoEnvironmental, Inc. <br /> ` l �S�pNAL <br /> Abigai Racco o�� <br /> Proje 1 anager DAVID J.WELCH v� <br /> * N0.2151 <br /> GERTiFiED <br /> ENGINEER'NG <br /> S GEOLOGIST \Q <br /> David J. Welch 't-OF <br /> Cp�1Fp <br /> CEG, CHG, PGP <br /> Attachments: Nitrate Loading Calculation, 2-Bedroom Home <br /> Nitrate Loading Calculation, 3-Bedroom Home <br /> 2021 Rainwater Test Results <br /> CC: Gabriel Ruvalcaba <br /> 900 Dolores Ct. <br /> Tracy, CA 95376 <br />