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LOGE 1928: American Crane Rental Page 6 <br /> June 19, 2019 <br /> Based on the method and assumptions described, the result of the nitrate loading <br /> estimate indicates that the existing and proposed development on the Site should not <br /> cause a buildup of nitrate in the aquifer above 10 mg/L-N. <br /> Furthermore, a side-by-side comparison of the numbers utilized in the current and 2012 <br /> calculations shows that the conditions have improved since the original report was <br /> written 8.42 acres area in 2012 versus 11 .80 acres currently, 33 or 38 employees in <br /> 2012 versus 30 on-site employees currently, a calculated 345.8 gpd wastewater flow in <br /> 2012 versus 221 .4 gpd currently. <br /> Based on the increase in acreage and the decrease in calculated wastewater generated <br /> since the 2012 report, combined with the favorable result of the nitrate loading <br /> calculation using the current methodology, there appears to be no need for completion <br /> of a full. new Soil Suitability/Nitrate Loading Study. <br /> Sincerely. <br /> Live Oak GeoEnvironmental, Inc. <br /> A-//`C'l <br /> 11 N �pNAL GF <br /> Abigail Racco. REPA s\0 AL �FO� o�� <br /> DAVID J.WELCH <br /> C DAVID J. WELCH 1'+ NO 653 <br /> 7k N0,2115' * CEiTFIFD <br /> CEATIFIU, * HyOgp(3EOlDG61 <br /> E NGINEEPoNG <br /> GF.t71.OGtc) <br /> David J. Welch. CEG, CHG, PGP '9PF <br /> OF CALIFS <br /> CC Keith Powell <br /> American Crane Rental Inc <br /> 17800 S Comconex <br /> Manteca CA 95336 <br /> Attachments. <br /> Plate 1 Recharge Calculation, Manteca Station <br /> Plate 2 Nitrate Loading Calculation, Current <br />