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Adak <br /> I AW-8 <br /> x ! 18.89 <br /> 6?00 LEGENG <br /> x #AW 9 Ground water monitoring well <br /> Ground water elevation in feet <br /> `s0 { 21.ia above mean sea level <br /> N x ry (NGVD-1929) <br /> 0 50 00 <br /> x Ground water elevation contour <br /> line <br /> SCALE(FEES <br /> 2.00 i General direction of ground water <br /> gradient <br /> AW-5 x � <br /> 20.32 I AW-6 <br /> —x--x---x x—x- 19.24 <br /> AW-7 <br /> 20so 19.88 S r <br /> 9 0 <br /> EAST GRANTLINE ROAD 2000 <br /> 20.50 <br /> i <br /> x—x—x—X—x---X--x_ 21.00 <br /> I <br /> 21.00x AW-9 . . AW�1 <br /> 21.10 <br /> AW-3 �_ - -� 21.14 -�� t` �f i <br /> - x <br /> 21.01 ' <br /> NOTES: X x <br /> Contour Anes are Interpretive based 21.50 { GROUND WATER ELEVATION <br /> on fluid-level measurements collected x CONTOUR MAP <br /> July 20 and 21,1992. x r-- -- - 1 <br /> Contour Interval t 0.50 foot <br /> I l 21<•Sp ,� Former Mobil Bulk Plant 04-343 <br /> Average gradient n 0.012 foot/root. 500 East Grantlirte Road j <br /> 22.00 `-- -- --- ' X Tracy, California <br /> ALTON <br /> GEOSCIENCE Awa +AW-2 <br /> ■' `< Pleasanton, Califamia 22.12`" 21.68 FIGURE 3 <br /> 30-01361Q s/92 <br />