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LOGE 1605: Durst Winery NLS Addendum Page 8 <br /> March 21, 2016 <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Based on the proposed uses reported, the use of on-site septic tanks and drain field <br /> systems on the Site is not expected to cause a buildup of nitrate in the aquifer above 9.91 <br /> mg/L-N. This level falls below the US EPA drinking water recommendation of 10 mg/L-N. In <br /> fact, the actual impact to the aquifer will be much less since the nitrate loading equation is <br /> conservative and overestimates impacts. <br /> We believe the Site suitable for the use of standard septic systems. We do not anticipate that <br /> the ground water quality will be negatively impacted, and no nitrate mitigation is recommended. <br /> Sincerely, <br /> Live Oak GeoEnvironmental, Inc. <br /> Abigail Racco, Environmental Professional `�\<�iaw=660 <br /> Np.`L151 � <br /> co't_" �✓" <br /> "vt CUOr1EQ <br /> ENGNEVNNG <br /> David Welch, Engineering Geologist GE0U0GIS1 <br /> CEG-2151, CHG-653, PGP-1049 )��}:CAS <br /> CC: Dan Durst <br /> Durst Winery <br /> 10171 E. Acampo Rd. <br /> Acampo, CA 95220 <br /> ISI <br /> I! <br /> I <br /> i <br /> i <br /> I <br />