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I OY ? <br /> i <br /> pKQJECIr: pEfrEIL 603 <br /> ' GE 2-10-89 <br /> 23 W z L'aBC®NMAISSANCB <br /> ,,reconnaissance of all yells within a one mile radius of the <br /> by reviewisite was ng the <br /> undertaken by!'URGE. This recounaisael files performed <br /> e usual my renew r�ai <br /> State�Partrnent of Water Resources <br /> the site (see figure 11.tables 4 and 5). <br /> ogt <br /> Tne ground water sarnp•led fnxn.monitor wells at this site is in the <br /> h up q mhos <br /> (shallowest)aquifer of a flood basin andjor alluvium fan depot <br /> it andlrltely associated with the Victor formation. Due to the limited thickness of <br /> this and the younger overlaying formations anad ost wells'nthe area Mehrten fornrtations)Produce <br /> Ag <br /> their water from deeper sources (� <br /> The quality of the different aquifers situated in thr:Stu:kion area is <br /> depended upon several factors: <br /> A.Ile area of recharge. <br /> B.Time,length and route of water migration. <br /> C.The quality of ttie overlaying aquifer. <br /> D. Man made obstructions, such as wells,drainages,etc. <br /> he <br /> shown t <br /> There are no arae aquicard.s within the Stockton block a canthat have <br /> from ors✓ <br /> capatsilty to the downward movement of gr <br /> (sadlock C,formation)to the next. An overdraft situation in this <br /> aquifer rd migration and is associated with the steady <br /> area <br /> aquifer <br /> inhanced this dove�nwa <br /> to the inirusiwo <br /> decrease in ground water quality due ui# �pow quality <br /> aster of the 13eka infiltrating the various shallow aq <br /> -industrial and <br /> Ground water in the StocktonoR aquifers, Sim�area <br /> ar tis suitable for o the once in which the <br /> agricultural usage. The shallq used for privately <br /> monitor wells are developed in at this site,are bah are needed <br /> wyned small volunvto guarantee <br /> ume irrigation eils. Deeper rural purposes. <br /> water available for domestic,municipal,industrial and agicult <br /> 2-4 CONMUSIOW'; <br /> the excavation and r-=noval of the old <br /> Sod samples obtained during <br /> underground fuel storage tanks revealed that the subsurface was <br /> contaminated anti,gasoline rhe hydrocarbons. Exploratory borings <br /> performed on site indicate <br /> at appy contamination 50 feet bClnw the surfacethe shallow - ours water <br /> and laterally does not exceed the extent of the excavation approximately( hgure <br /> 12a-12e and 13). The excavation <br /> ar.a 'exte d 650 cubicnded to yards of soil. This <br /> below the surface and P le,results shun cd it to be <br /> was aerated on site and then rernov,d once same <br /> 23. <br />