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f <br /> tD <br /> April 2, 2404 ��' �� <br /> ACES, APR a s 200 <br /> Mr. Michael J. Infurna, Jr., Senior REHS ENVIRONMENT HEALTH <br /> San Joaquin County PHS PERMIT/SERVICES <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> --Stockton, California 95202 <br /> RE: Remediation-System Installation <br /> Forlrner'Cao-teen Facility, 1500 Shaw Road, Stockton,California <br /> Site Code 1727 <br /> .'AES.Project No.: 145-14009-05 <br /> Dear Mr. Infurna: <br /> Applied Earth Sciences, Inc. (AES)has completed installation of the sparge/vent <br /> remediation system at the above referenced site- The system was placed into operation <br /> on March 24, 2004. <br /> This letter is to request approval for$3,200 in additional reimbursement funding for <br /> irisiallation of the sparge and vent wells. During the period-between submittal and <br /> approval of the Remedial Action Plan to installation of the system,the site water levels <br /> have lowered approximately 3.to 4 feet. The lowered water table required that the total <br /> depth of the sparge and vent wells be increased by approximately 10 feet. In addition, an <br /> _additional air spar- e'well-had to be-:installed to replace the_existing pilot test air sparge <br /> well-because the screen section did not fully penetrate the water table. <br /> Please do not hesitate to call the undersigned at 512-990-7467 if you have any questions <br /> or-comments- <br /> lncerely. . - <br /> Applied Earth Sciences,Inc. - <br /> E'�_ v mj'aa <br /> Le'^_ <br /> Eric W. Muehlberger,RG(CA#5255) <br /> Associate Hydrogeologist <br /> Enclosure <br /> Cc: Michael McCreight, Compass Group USA, w/enclosure <br /> James Barton, Central Valley RWQCB, w/enclosure <br /> 9009 Mountain Ridge Dr., Suite 110 • Austin, Texas 78759 • Tel: (512) 990-7467 Fax: (512) 990-7399 <br /> www.appliedearth.com <br />