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h <br /> d •# k GEOTECHNICAL <br /> Y NEIL O. ANDERSON ENVIRONMENTAL <br /> A N 'D A S S O C I A T E S INSPECTIONS & TESTING <br /> LABORATORY SERVICES <br /> E <br /> POOL ENGINEERING <br /> i POST TENSION DESIGN <br /> June 28, 2005 <br /> NOA Project Number: E05008A <br /> Transmitted by First-Class Mail and Fax: (209) 464-0138 <br /> Mr.Van Dyne, R.E.H.S.,Land Use Program <br /> San Joaquin County, Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> .� Stockton,California 95202 <br /> RE: Addendum to Soil Suitability Study/Engineered Septic System Drawings <br /> 25122 South Banta Road,Tracy, California <br /> Land Use Application # PA-05-048 <br /> Dear Mr.Van Dyne: <br /> Per your request,we have prepared this addendum to the above-referenced Soil Suitability <br /> Study/Engineered Septic System Drawings. <br /> Question 1: The property owner's signature, date, and printed name are lacking form all three sets <br /> fo plans. <br /> �. Our office will let Mr. Robertson know that be needs to go to the Environmental Health <br /> Department (EHD) office and sign the drawings for approval. <br /> Question 2: The domestic well sampled for nitrates was test on a well constructed with a 200 foot <br /> seal specifically designed to deal with a high nitrate problem in this area. There fore, a non-detect for <br /> nitrates completely masks the problem in your report. <br /> ^� The domestic well was sampled in accordance to EHD regulations. During the file review at <br /> the county, the well permit for this well was unavailable to our office. Our office was unaware of the <br /> depth of the well,but knowing that it has a 200 foot seal, this water sample reflects the condition of <br /> the deeper aquifer.The shallower aquifer in the area, known to have a higher nitrate concentrations, <br /> was not tested for this report since there was no well to this aquifer on the property. <br /> Question 3:The 83 minutes per inch results from the percolation test should have raised suspicions <br /> AL <br /> z�c ` to review other reports by N.O.A. and sizing requirements in the Tracy area. <br /> F In our conversation with Mr. Huggins on June 3, 2005,it was decided that there was some <br /> confusion as to what type of system was being used for the engineered septic system. The type of <br /> q system is a filter bed system,which was drawn to EHD specifications. <br /> J <br /> LODI ■ SACRAMENTO ■ MODESTO ■ RENO <br /> ENVIRONMENTAL DIVISION 902 Industrial Way,Lodi,California 95240 ■209.367.3701 ■ 209.369.4228 fax 0 www.noanderson.com <br />