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GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> ",04+ A N D A S S O C I A T E S INSPECTIONS a TESTING <br /> 2005 JUIN 23 PM '* 43 LABORATORY SERVICES <br /> POOL ENGINEERING <br /> SAENVIRoNKENT�NTY POST TENSION DESIGN <br /> June 17,2�7�LTH DEPARTMENT <br /> NOA Project Number: E04150A <br /> Transmitted by First-Class Mail and Fax: (209) 464-0138 <br /> Mr. Raymond Borges,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 <br /> 1999 West Linne Road,Tracy, California <br /> Land Use Application #PA-04-090 <br /> Report Dated March 11,2005 <br /> Dear Mr. Borges: <br /> Per your request,we have prepared this addendum to the above-referenced Soil Suitability Study. <br /> This letter was written to follow the comments in the `Requirements Checklist Comments' dated <br /> June 8,2005. <br /> 6.5: Our office has prepared the following paragraphs to replace sections 6.5 and 6.6 from the <br /> report. <br /> 6.5 Percolation Test Procedure <br /> The percolation test was conducted for Parcel 2 on February 15,2005,in accordance with the <br /> requirements of the EHD. A percolation test with a duration of four hours was performed for the <br /> hole.The final half an hour of the percolation test was observed by Mr. Ray Borges,Registered <br /> Environmental Health Inspector, EHD.The percolation test was conducted for Parcel 3 on <br /> February 17,2005,in accordance with the requirements of the EHD. A percolation test with a <br /> duration of four hours was performed for the hole. The final half-hour of the four-hour percolation <br /> test was observed by Ms. Lisa Medina,Registered Environmental Health Inspector,EHD. <br /> The percolation test was conducted for Parcel 1 on February 23, 2005,in accordance with the <br /> requirements of the EHD. A percolation test with a duration of one hour was performed for the <br /> hole. The entirety of the test was observed by Mr. Rodney Estrada, Registered Environmental <br /> Health Inspector,EHD. The percolation test was conducted for Parcel 5 on February 24,2005 in <br /> accordance with the requirements of the EHD. A percolation test with a duration of four hours was <br /> performed for the hole. The final half-hour of the four-hour percolation test was observed by Ms. <br /> Lisa Medina,Registered Environmental Health Inspector,EHD. The percolation test was <br /> conducted for Parcel 4 on March 8,2005,in accordance with the requirements of the EHD. A <br /> percolation test with a duration of four hours was performed for the hole. The final half-hour of <br /> LODI ■ SACRAMENTO ■ MODESTO ■ RENO <br /> ENVIRONMENTAL DIVISION 902 Industrial Way,Lodi,California 95240 ■209.367.3701 ■ 209.369.4228 fax ■www.noanderson.com <br />