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Depth. LOCKING CAP ---��, <br /> �1 <br /> FLUSH MOUNTED WELL <br /> VAULT <br /> 2 OR 4-INCH DIAMETER SCHD. 40 PVC <br /> s BLANK CASING <br /> CEMENT-BENTONITE GROUT <br /> 10 OR 12-INCH DIA, BOREHOLE <br /> 1/4-INCH DIA. BENTONITE PELLETS <br /> —Io <br /> •uo o.. <br /> ..o .00 <br /> oa <br /> aa' 6 e <br /> o.0e <br /> •tl O•O O <br /> 00 PEA GRAVEL <br /> eb <br /> .o .00 <br /> pow oo. <br /> oe <br /> g•u o D�oO <br /> 0 0o <br /> eo eb. <br /> ' bb <br /> 20 aO?po °O s0 <br />_ •O <br /> 2 OR 4-INCH DIA, SCHD. 40 PVC <br /> a meg' 0.125 INCH SLOT SCREEN <br /> o?0e °?Qee e <br /> vo oo o u <br /> ° <br /> •o .00 <br /> . .. eb vo. <br /> 25 <br /> eo0 <br /> Doti a o. <br /> bo <br /> o?0e .poen <br /> oo.°o •°o <br /> .o 00 <br /> e o PVC END CAP <br /> bo <br /> • O o°. O••S°. O . <br /> SOIL VAPOR EXTRACTION WELL DESIGN SCHEMATIC <br /> LO L F R Figure 3 <br />