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GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> AN D ASSOCIATES INSPECTIONS & TESTING <br /> 2006 AUG 23 pM � O <br /> t 9 LABORATORY SERVICES <br /> 1: <br /> POOL ENGINEERING <br /> S +,f �JAi�JIr'" CC'UNTy POST TENSION DESIGN <br /> "MENTAL TMENT <br /> August 21,2006 HEALTH DE <br /> NOA Project Number: E06061A <br /> Tom Hoffman <br /> Blue Oak Cellars <br /> 10112 E.Woodbridge Rd. <br /> Acampo,CA 95220 <br /> Subject•. Addendum Number 2 to the Soil Suitability/Nitrate Loading Study <br /> Blue Oak Cellars <br /> 10112 E. Woodbridge Rd. <br /> Acampo, CA <br /> Dear Tom, <br /> Per your request, a site visit was conducted on August 16, 2006 in regards to the location of the <br /> boreholes in which perched water was identified during the initial preliminary test boreholes on May <br /> 24, 2006. These boreholes were advanced as part of the Soil Suitability Study. The location of the <br /> preliminary test boreholes correlate with the vineyard irrigation line which runs approximately two feet <br /> below the ground surface at these two locations. Based on these observations and the observation that <br /> the pipe was repaired at these two locations,it is likely that the observed perched water is not perched <br /> water but water which vacated the non pressurized irrigation pipe when it was punctured. <br /> It is likely that the location of the completed shallow percolation test hole, drilled on May 31, 2006, <br /> which encountered no groundwater within five feet below the bottom of the test hole,represents the <br /> soil and groundwater conditions in the vicinity. The boreholes which encountered the irrigation pipeline <br /> should not be considered as perched groundwater conditions. <br /> Wc-appreciate this opportunity to be of service. If you have any questions please feel free to contact <br /> our office. <br /> Best Regards, <br /> NEIL O.ANDERSON & ASSOCIATES <br /> aures D. Robinson Sr. Geologist <br /> PG - 7834, RCE -69045 <br /> cc: EHD <br /> LODI ■ SACRAMENTO IN MODESTO <br /> ENVIRONMENTAL DIVISION 9021ndustrW Way,Lodi,Califomia 95240 ■209.367.3701 ■ 209.369.4228 0 w .noandenonx= <br />