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2. <br /> TYPICAL MONITORING WELL CONSTRUCTION <br /> �3 <br /> Existing Ground 3urfac'e <br /> '13 I <br /> Top Cap .� --Christy Box <br /> p•' v •° °•� Concrete Seal <br /> I <br /> i <br /> I <br /> Bentonite Plug <br /> (Minimum 2_ thick) <br /> Gravel Pack <br /> ( #3 Montery Sand) <br /> C� <br /> j� <br /> PVC Pl.pe,2- _I.D. <br /> ( 0 .02"Slat at Perforated <br /> Section) <br /> Boring = <br /> Bottowcap <br /> i <br /> Not To Scale I <br /> i <br /> BALBI & CHANG ASSCK3ATFS MONITORING WELL PLATE <br /> Geotechnical Co mmkants / Materials Testing <br /> ARCO�AM/PM FACILITY <br /> Project No. 1525-10 Dates 4/27/87 STOCKTON, CALIFORNIA <br /> !I <br />