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LUCCA WINERY <br /> SOIL SUITABILITY & NITRATE LOADING STUDY MAY 2013 <br /> to mitigate nitrate impact. This was accomplished by soil physical and chemical <br /> testing. Physical testing consisted of percolation testing. Chemical testing <br /> included analyses for the constituents that influence nitrate loading. <br /> • Since the volume of wastewater is anticipated to be very low from the project, <br /> Mounding Analyses of the water table underlying the proposed disposal area was <br /> not calculated for this project. <br /> • The Nitrate Loading calculations and wastewater disposal system operational <br /> parameters were formulated from the San Joaquin County Environmental Health <br /> Department Sewage Standards. <br /> In summary, the soils testing and investigation has found the indigenous soils under the <br /> proposed domestic wastewater disposal area, which is to be directly north of the <br /> existing farm shop, to contain a predominately fine-grained sandy loam material. This <br /> soil has excellent permeability characteristics with some nitrate mitigation capabilities. <br /> Page 12 <br />