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i <br /> b <br /> Kayo status Report Page 6 <br /> ..October 30, 1987 <br /> i1 <br /> z�yy F j�j� <br /> - ;1lstatessment Consultants Phase I Dames andtoo a � � <br /> x <br /> Phase i I Groundwater9"ech e�10 w �w <br /> f p R <br /> �r <br /> -• `- F�� .' �k'f. _. y _ _ _ '' .. ' w� y+ T �} k .' e .',1 �-��� ''�.� ,r�i da�'ktS" �,�' � Lam` . <br /> Remediation Consultant: Groundwater . Technology ;1 h <br /> The underground tanks were removedon October 30 19.86. <br /> Contaminated Soil in the tank backfill and, beneath the tanks was <br /> removed. . Dames and Moore installed three monitoring wells on <br /> 'December 12, 1986. Subsequent water sampling showed minor <br /> contamination ranging from 200 to; 400 ppb ,benzene., The .report <br /> for Phase I investigation was submitted 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 /> _ monjt©ring - well be installed across -Eleventh Street and up- <br /> gradient from the' Kayo site. This well was installed bn July 9, <br /> 1987. Significant contamination was found. Report discussing <br /> off-site work- submitted to RWQCB October 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 /> 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 f '_: ► 9rsounc'iwatez .reeQvre y.ywe11. and' groundwater <br /> "treatment system has <br />"� e installed. 'Te ,system :has been-,--bp wince .'11pr1 . Q _ <br /> d <br /> q t r tr>`. .+Z` <br /> -<k ►oumphng gate is set very to � a►�pr.o #s�atel 00 <br /> , ►yin order its: ,a:e�t the% a =, +�miasoa� 71 <br /> 3t�:: the <br /> isld; no <br /> ' howgvet' and a =h ghe pn�itpiriq <br /> r ¢,°-probably; not 'fie. appropriate. Air. 'str ppez influent <br />