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d =.I <br /> '= Kayo status Report Page. 6.. ':- <br /> October 30, 1987 isI <br /> E <br /> S. <br /> Fas as <br /> Y... , 3 r-:�•'i rf <br /> '�' <br /> , 3w C i K,r <br /> Tracy, ; s , <br /> °Env 'Assessment Consultant-S., Phase?`I aDameS�andMoore �s+ i 4w ,� a..; = <br /> Phase II r :Groundwatery=Tech'noogy <br /> Remediation Consultant:;: Groundwater Te' hno] ogy <br /> The underground tanks were removed on".-,October 30, 1986 . <br /> Contaminated Soil in the tank backfill and beneath the tanks was <br /> removed . Dames and Moore " installed hree monitoring wells on <br /> -December 12, 1986 . Subsequent water sampling showed minor <br /> contamination ranging from� 200 to .400 .ppbL'..benzene . The report <br /> for Phase I investigation was submittel on February 3, 1987 . <br /> Groundwater Technology, Inc. has conducted Phase II of the <br /> subsurface investigation. This work consisted of installing <br /> five monitoring wells near the boundary of the property and <br /> offsite near the northeast!' corner of the property. The report <br /> with recommendations was 'received on June 10, 1987 and was <br /> submitted on June 12, 1987.; <br /> Groundwater Technology recommended that an additional off site <br /> monitoring - well be installed across -Eleventh Street and up- <br /> gradient from the Kayo site . This well was installed on July 9, <br /> 1987 . Significant contamination was found. Report discussing <br /> off-site work. submitted to` RWQCB -Oct ber 8, 1987 . Groundwater « <br /> contamination originates off:-site, no further work anticipated . <br /> Econo Station <br /> 7601 Greenback Lane <br /> Citrus Heights, CA <br /> Env. Assessment Consultants : Phase I LBME <br /> Phase II Groundwater Technology <br /> Remediation Consultant: Groundwater Technology <br /> I; <br /> This station is closed and will not . be reopened by Kayo.. Kayo <br /> proposes to sell this station. The underground tanks have been <br /> removed and .the . tank pit backfilled with clean. pea-gravel : . <br /> A groundwater recovery' we11 and:: groun water treatment. system`has ." <br /> been.,; installed Then, 'system .;has .,been operating since April 0,,: . <br /> lY y1987law. {approximate` teis set ve 30U <br /> gal'hons perE tday) in order €oto ,meet_ th air , emissions ;limit f They, i <br /> f aquifer ' is every �low.-yield„ing,:mhowver`'. and; a 'higher puimping rate <br /> F would probably not ­-be`'rappr.opriate.; Air -Istripper . .Influent Nand <br />