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ERM—West,Inc. <br /> •�" 1777 Botelho Drive <br /> Suite 260 <br /> October 6, 1992 Walnut Creek, CA 94596 <br /> (510) 946-0455 <br /> (510)946-9968 (Fax) <br /> Ms Mary Meays, REHS <br /> San Joaquin County <br /> Public Health Services Environmental Health Division <br /> P O Box 2009 <br /> Stockton, California 95201 <br /> SUBJECT. Catellus Development <br /> Corporation Former Tank Sates <br /> #1 and #2, Site Code 1284 <br /> 1325 West Weber Avenue, ko <br /> ' Stockton, California 95203 ERM <br /> Dear Mary: <br /> Per our telephone conversation with you on September 12, 1992, ERM-West, <br /> Inc (ERM-West), on behalf of Catellus Development Corporation (Catellus), <br /> is writing you to request an extension for submitting a problem assessment <br /> report (PAR) for the sites referenced above. In the letter dated July 27, 1992 <br /> from Ms. Laurie Cotulla of San Joaquin County Public Health Services <br /> Environmental Health Division (PHS/EHD) to Mr Ric Notini of Catellus, <br /> PHS/EHD requested that a PAR be submitted by November 15, 1992. Catellus <br /> - requested that this PAR submission date be extended by six months to May 15, <br /> - 1993 <br /> Catellus requests additional time before submitting a PAR so that two more <br /> quarters of groundwater monitoring data can be obtained and analyzed. The <br /> 4 hydrogeology of the former tank site #2 is complex. Monitoring data <br /> accumulated for at least one year would be valuable so that we gain a better <br /> understanding of the groundwater gradient and the distribution of <br /> petroleum constituents in the groundwater A reliable database would allow <br /> for the effective development of an optimal remediation program, if <br /> required, which is integrated with former tank site #1. <br /> Catellus is committed to performing a timely and effective remediation <br /> ' program for the West Weber sites. It is Catellus' desire to implement a <br /> remediation program for the two sates, if required, which produces the <br /> - _ 3 greatest benefit in a cost effective manner <br /> Catellus and ERM-West would like to meet with you in the future to discuss <br /> the data accumulated during the project and assess possible remedial <br /> _ alternatives, if necessary. We believe that your input would be valuable <br /> A MHMEER or THE ENVIRONMENTAL REsovacss MANAGEMENT GROUP <br />