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Rot <br /> Q7 <br /> uality Control Inspection C. <br /> a "Qct <br /> a <br /> MAIN OFFICE <br /> Q C 1295 NORTH EMERALD,BLDG.0•MODESTO,CALIFORNIA 95351 •PHONE:(209)527-4940 <br /> BRANCHES <br /> STOCKTON(209)466-8378 MERCED(209)723-2425 <br /> QCI#: G-92-770 July 20, 1992 <br /> FOR: H.R. , T.F. Gulmon & G.J. Weaver <br /> 26202 East Magnolia Avenue <br /> Escalon, CA 95320 <br /> PROJECT: Soil Suitability Study for MS-92-92 <br /> 26202 East Magnolia Avenue <br /> Escalon, CA 95320 <br /> SUBJECT: Percolation Testing <br /> On June 30, 1992 representatives of Quality Control Inspection, <br /> Inc. prepared two percolation test borings on each of four proposed <br /> parcels at the subject site. These test locations were selected <br /> by our Environmental Engineer and are documented on the attached <br /> Testing Report. The testing was conducted in accordance with San <br /> Joaquin County Department of Environmental Health percolation test <br /> procedures and witnessed by a Registered Sanitarian from the <br /> Department. <br /> The percolation test holes were drilled with a B53 Mobile Drill <br /> Rig using an six-inch O. D. hollow stem auger to depths of <br /> approximately 42 inches for the shallow test boring and seven to <br /> eight feet for the deep test boring. Test hole sidewalls were <br /> scarified and sleeved with four-inch O.D. perforated pipe to <br /> prevent cave-ins and insure test hole integrity. Gravel was added <br /> to the hole bottom and placed in the annular space between the <br /> perforated pipe and the bore hole. The test borings were pre- <br /> saturated 24 hrs before percolation testing, which commenced on <br /> July 2 , 1992 . <br /> Our reports and letters are submitted as the confidential property of our clients for their exclusive use.Any publication or reproduction of statements,conclusions or extracts from or <br /> '� regarding our reports or letters is reserved,contingent upon the written authorization of Quality Control Inspection,Inc. <br />