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wells must be installed. They are d signated on the accompanying map <br /> E; <br /> as 22P, 23P, and 24P. Additional wells may placed in the <br /> adjacent vineyard. They 'are shown a 29P, 30P, and 31P. Exact <br /> r locations will be staked by the Du Pont representative in the <br /> field. All well construction should be done according to State <br /> of California regulationsE'Iand Du Pon 's attatched well <br /> construction specifications. All we is should have traffic rated <br /> boxes and locking covers.; The wells should have at least 8" <br /> clearance between the well cap and the top of the lock box. A T <br /> I� <br /> joint with a screw cap willl be installed on some wells to allow <br /> later access for injection piping. rhose wells will also need a <br /> PVC pipe run through a knockout in tie side of the box. <br /> 4 <br /> Steam clean all relevantparts of ri , augers, sampling equipment <br /> ,4 <br /> before drilling or adding new auger -oints. Obtain and describe <br /> split spoon samples every, five feet. Exceltech's geologist is to <br /> provide standard descriptions for st to and local reporting, and <br /> for reporting to Du Ponta Complete �11 monitor wells as 4" <br /> �i <br /> wells. No solvents or glues may be used during any part of the <br /> well construction or installation. omplete with PVC slotted or <br /> 0 <br /> wire wrapped screen. Assume 0. 020 slot size unless otherwise <br /> notified. Wells will bercreened fr:)m approximately 40' -501 . <br /> The Du Pont geologist onpsite may mo ify the screened interval <br /> based on geological conditions encou tered in the well. Submit a <br /> brief report to Du Pont summarizing the construction and the <br /> logging of all wells, to be signed b Exceltech' s registered <br /> geologist. <br /> 3 <br /> Cr <br /> R <br />