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- — --- ----- - - KLIfI NF EL DER <br /> CONCLUSIONS <br /> Based on the above evaluation, we conclude that wastewater produced by the proposed leach <br /> fields should not have a nitrate as nitrogen (N) concentration at the groundwater level greater <br /> than 10 mg/1. The results of our percolation tests indicate that conventional septic tank/leach <br /> trench sewage disposal systems with seepage pits should adequately serve the proposed shop <br /> building and replacement area. The seepage pits should extend as deep as possible into the <br /> sandy soils underlying the site that were encountered at a depth of about 23.5 to 24 feet below <br /> site grade. <br /> LIMITATIONS <br /> The conclusions of this report are based on the information provided regarding the existing and <br /> proposed development and on the site conditions. It was assumed that the percolation test results <br /> are representative of the subsurface conditions in the general area. <br /> This completes the scope of work requested. Our work was performed in general accordance <br /> with the standard of care that exists in San Joaquin County. No other guarantee or warranty, <br /> expressed or implied, is made. <br /> Respectfully submitted, <br /> KLEINFEL R, INC. <br /> Ronald E. Loutz is , C.E. <br /> Staff Engee <br /> Ron einzen, G.E. <br /> Senior Principal W <br /> m Ne. 389 <br /> fi <br /> tip. 1-03 <br /> REL:k 'r�,^ForFe1R11°fie•;' <br /> Attachments o;. CNS' <br /> 18492.G01/ST02R254 July I8,2002 <br /> D 2002 Kleinfelder, Inc. Page 4 of 4 <br />