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Ground Surface <br /> Z- zz zz zz <br /> zz zz zz zz <br /> zz ZZ zz �z <br /> zz <br /> zz z <br /> 90, Z� z <br /> zz zz <br /> Cement Grout 0-90 ft bgs <br /> zz 16"0 Borehole <br /> zz : :z- <br /> ZZ <br /> :-Z <br /> 10"o 304 Stainless Steel Well Casing <br /> ZZ zz ZZ <br /> :--z <br /> Zzi ZZ zz <br /> zz zz zz <br /> ZZ Z� <br /> zz Z: <br /> Bentonite Seal <br /> 5' <br /> Transition Sand <br /> SCHEMATIC DIAGRAM <br /> NOT TO SCALE <br /> Filter Pack <br /> 10, <br /> Top of Screen 110 ft bgs <br /> 10"o 304 Stainless Steel Well Screen <br /> 75' <br /> .... ...... <br /> .......... ....... <br /> Bottom of Screen 185 ft bgs <br /> Total Borehole Depth 190 ft bgs <br /> Z <br /> ..... ....... <br /> Well Design Subject to Change . ..... <br /> PROPOSED EW-18B EXTRACTION WELL DESIGN Figure 5 <br /> Geosyntec� FORMER OCCIDENTAL CHEMICAL CORORATION November 2018 <br /> consultants LATHROP FACILITY, CA SAC245 <br />