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OCT--08-1996 09 45 EA h ORTH SACRAMENTO 1 416 424 7460 P 01?03 <br /> rY v <br /> FACSIMILE MESSAGE <br /> EA Sacramento <br /> 4081 North Freeway Boulevard <br /> Suite 145 <br /> Sacramento, CA 95834 <br /> Telephone 916-924-7450 <br /> FAX 916-924-7460 <br /> PLEASE DELIVER TO <br /> Name Harlin Knoll Company/Department San Joaquin County Public Health Services <br /> Phone 209-468-3442 FAX 209.468-8392 <br /> If you do not receive all pages clearly, call Kynacos Kynacou at 916-924-7450 as soon as passible <br /> SENT BY <br /> Name Kyriacos Kyriacou, Ph a Transmitting from 916-924-7460 <br /> Number of Pages(including Transmittal Sheet) 2 <br /> Date 8 October 1996 Project Code 5173942 9902 6415 <br />• <br /> MESSAGE. <br /> The intent of this fax memorandum is to inform you that Exxon Company, U S A (Exxon) has requested EA <br /> Engineering, Science, and Technology (EA) to design and install a groundwater remediation system at former <br /> Exxon RS 7-3942 located at 4444 North Pershing Avenue in Stockton The proposed groundwater remediation <br /> system is an Underground Vaporizer Well (UVB) <br /> A,LTVB system consists of a specially adapted groundwater treatment well and an above ground blower A <br /> specially adapted UVB well is constructed with two screened zones one section is placed at the bottom of the <br /> treatment interval, and a second section which straddles the groundwater interface The borehole annulus <br /> between the two screened zones is sealed with bentonite A packer is installed in the treatment well between the <br /> two screened zones to ensure one directional flow of the groundwater through the treatment well A pipe is <br /> placed through the packer and connected to a pump which provides groundwater from the lower zone to the <br /> upper zone where an air stripper tray is located The upper end of the pipe running from the lower zone through <br /> dwe packer terminates at the air stripper tray <br /> I <br /> ORIGTNAL WILL 0 Y OLLOW VIA MAij-❑FOLLOW VIA OVERNIGHT EXPRESS©FOLLOW V1A MODhM 0 N01 I OLLOW <br /> aALTIMORE«NEW YORK SAN FRANCISCO LINCOLN NEW SERSEY CHICAGO-ATLANTA-DALLAS CHARL07TE WASHINGTON DC BOSTON <br /> SACRAMCNTO-SEATTLE ALASKA SAN ANTONtO•GOLORADO•HONOLULU DELAWARE <br />