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k <br /> k <br /> ' Soil Suitability And Nitrate Loading Evaluation Page 6 <br /> Pa-0600569 <br /> �i 17200 Byron Road (APN # 209-150-23) <br /> l Tracy, California <br /> January 14 2008 20-1889 <br /> F <br /> 10.0 CONCLUSIONS <br /> F11 <br /> The site is considered suitable for conventional epticlleach trench sewage disposal <br /> designed and constructed in accordance wi JE criteria.lOur conclusion is based on . <br /> I . the following: <br /> ! • A suitable soil condition for septic percolation-t is is defined b SJEHD as a <br /> p p Y <br /> stratum capable of rcolating water at a rate of`6Q inutes per inch (min/inch) at <br /> a depth of up to 3.5 eet below existing site grad-6760 min/inch for deeper tests. <br /> CTE's percolation results for this project we 20 mi inch at a depth f <br /> p p � o u to 3.5 <br /> p P <br /> feet. <br /> f • As stated in Section 9.0 above CTE estimates that the potential nitrate-nitrogen <br /> J centration in grou, -. ater sulting from the new leach field should be <br /> elow e state standard o 10 mg/L. <br /> F <br /> 11.0 LIMITATIONS <br /> The field evaluation, laboratory testing and analysis presented in this report have been <br /> conducted according.to current practice and the standard of care exercised by reputable <br /> consultants performing similar tasks in this area. No other warranty, expressed or <br /> F!� implied, is made regarding the conclusions, recommendations and opinions expressed in <br /> i this report. Variations may exist and conditions not observed or described in this report <br /> may be encountered during construction. <br /> FjOur conclusions and recommendations are based on the observed conditions. If <br /> conditions different from those described in this report are encountered, our office should <br /> be notified and additional recommendations, if required, will be provided upon request. <br /> We appreciate this opportunity to be of service on this project. If you have any questions <br /> regarding this report, please do not hesitate to contact the undersigned. <br /> This report assumes CTE will observe construction activities associated with placing the <br /> septic system. Our recommendations may be reevaluated based upon exposed <br /> conditions. <br /> F <br /> 9 <br /> i, <br /> Fa <br /> R <br />