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19.'02/1990 13:18 © MELValY $ "IYERS �.R. <br /> 213 669 ?467 P.55 <br /> 1 <br /> MANNA PRO CORPOM77ON <br /> 40M South Eldnrrrdo Sirret,Sroc#ron, c avotnfit <br /> 1.0 PROJECTIM ICA770N <br /> °1Vl:iF Fslvironmental CQrtsultants, Inc. was contacted by Mma pro Corporation in <br /> response to soil contaminapon discovered during the removal of underground storage <br /> tanks at 40041Eldorado Sum in Stockton, California. The following is a plan fo <br /> excavation and remediation of the contaminated Soft, r the <br /> — 2.0 ME DESCRIP77ON AAD HIST ORO <br /> The facility is locstod at 4404 Eldorado in Stockton, California <br /> proptrty is frontad on Hwy 50 and backed by the Southern pacifictmain linere 12)7be <br /> — work ansa is in he northwest corner of the property approxima <br /> west property line. tely 80 feet from the <br /> `+ SEMCO, to licensed underground storage tank removal company, removed (5)five fuel <br /> tanks on May 30, 1994(Appendix A). At&at time, soil samples were taken <br /> (Appendix B). <br /> 3.0 CONTAWNANT'DIST MV 70N <br /> �f <br /> - Contamination wits discovered under the south ertd of tank#2, the soup end of taNc <br /> 13, the north and south ends of tank#4, and the west end of tank 15 (Figure 3). The <br /> SOU sampled under Wk 11 was non-detect. <br /> 3 . <br /> r Additional soil was exravnd to 17 feet beneath the east end of rant.#5, and a soil <br /> "sample taken (Lab I.D. L1517010). The lab results at 17 feet were non-detxt, <br /> 4.0 PROPO,S'ED RE EXCAVATION <br /> ---- --The excava4on will consist of the reme-val of approximately 2,140cubic arils — - -- <br /> r. 3, 4, &5). Surface discoloration was found cast of the fuel is, ' ubi this arm, <br /> be incorporated into the excavation. The arca of excavation was <br /> `-.� to the sample 10cadOnS(Figure 4)and will be accomplished by convention�,Zl mcthrods to <br />