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A% ROL f� <br /> Q�ahty . eont�ol nspection <br /> MAIN omm <br /> U 1296 NORTH EMBRALD,BLDG,17•YODESTO,CALWOMA OM51 .PWVNE(M)537-4940 <br /> BRANCHES <br /> STOCKTON(209)W-0*74 UM=(M)72.3.2425 <br /> QCI E-92-672 October 19, 1992 <br /> FOR San Joaquin Department <br /> of Environmental Health <br /> 445 North Sar, Joaquin Street <br /> Stockton, CA 95201 OcT 2 Q 1992 <br /> PROJECT: Simpson Paper Plant ENVIRONMENTALVIRpNMEN <br /> 942 south Stockton Street ENVIRONMENTAL <br /> HEALTH <br /> Ripon, CA <br /> SUBJECT: Soil Borings and sampling to perform gradation and <br /> hydrometer analyses on :samples. <br /> W D R X P L A N <br /> Quality Control Inspection, Inc. (QCI) is submitting this scope of <br /> work for the above referenced project under San Joaquin County <br /> Ordinance No. 1862. Our firm has been retained by Simpson Paper <br /> Company to perforri''soil borings on a levee separating two holding <br /> ponds. <br /> The drilling will proceed with a B53 Mobile Drill Frig, utilizing <br /> six-inch hollow stem auger. The levee where the drilling is to be <br /> performed is actually a stable roadway that will support the drill <br /> rig and crew. A maximum of 16 borings will be drilled (four <br /> borings in four sections) along the levee surface. Drilling will <br /> commence. to a maximum depth of 15 ft for each boring. However, if # <br /> groundwater is encountered on the first boring, the drilling depth <br /> will be revised and terminated five ft above this first <br /> groundwater. Additionally, if groundwater is encountered in this <br /> first boring, bentonite powder will be utilized to form a basal A <br /> plug in the saturated section of the boring. This phreatic zone <br /> will be determined with a water level meter. <br /> There is no reason to suspect any form of contamination; therefore, <br /> the borings terminated above groundwater will be backfilled with <' <br /> the auger cuttings. <br /> �f <br /> Our reports and 1¢t;Crs are submitted aL the confidential property of our ciients far their vxcluslve use.Any publie.atlnn Or rgprpdpction of slatements,cone€v!51ons or extracts lroM or <br /> r99ktrdlrrq aur reports or lattvr,^,ig reserved,conliNent upOn She writtgn authorization of Quality Contmi inspection,Inc. <br />