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Y <br /> SENT BY:C:LAYTOP-a EN1:1 I ROIL MENTA —26-90 4: 15F M 112 ;# c <br /> f, <br /> Western Operations <br /> 1252 Quarry Lane <br /> Pleasanton,CA 94566 Clayton <br /> (415)426-2600 r <br /> Fax(415)42"ll06 �. ENVIRONMENTAL <br /> CONSULTANTS <br /> RECEIVED <br /> Ger 2 6 1990 <br /> October 26, 1990 ENVIOONMENTAL WEALTH <br /> PERMIT/SERVICES <br /> S <br /> Clayton Project No, 29531.00 <br /> Mr, Donald C. Lewis <br /> Vice President <br /> WIM—AND CORPORATION <br /> 1477 Draw Street <br /> Davis, CA 93616 <br /> Subject. Interland Parcel B <br /> 8715 W. Grant Line Road <br /> Tracy, California <br /> Dear Mr. Lewis; <br /> Clayton has reviewed the letter prepared by San Joaquin County Public Health <br /> Servicez (SIC/PHS) concerning the subject parcel dated October 25, 1990 Metter). As <br /> yvu know, we delivered our report titled "Soil Excavation and Aeration" to Ms. Diane <br /> Hinson, WC4PHS case officer, on October 23, 1990. We were assured by Ms. Hinson <br /> that she would review this report and provide a letter of closure, with exclusions <br /> regarding post closure well monitoring, within 2 days. When I discussed your concerns <br /> with ML Hinson on October 16, 1990, she indicated that she would provide a letter <br /> stating that "no further Soil remediation would be required" providing that soil samples <br /> collected from the bottom and perimeter of the excavation met Leaking Underground <br /> Fuel Talk (LUF I) manual criteria. <br /> The letter issued by Ms. Hinson, signed by Ms. Cotulla, and copied to the Regional <br /> Water Ouality Control Board (RWQCB) does not conform to verbal commitments <br /> and understanding between SJC/PHS and Clayton. Specifically, there are some <br /> inaccuradee and oversights in the letter that we would like to clarify. If the SJQ?HS <br /> Is prepared to discuss and resolve these issues, Clayton would be willing to meet with <br /> the SJC,JPHS at their earliest convenience. <br /> The following Issues need to be discussed with the SJC/PHS; <br /> • Soil in the vicinity of sample ME-1 was found to be contaminated therefore, <br /> Clayton remand soil to a depth of 13 feet from beneath the location where <br /> sample ME-1 was Collected. Subsequently an abandoned septic tank was <br /> discovered (and removed) immediately east of the location where this sample was <br /> Clayton Envlm"rFtal Consuhama,Inc. • A Marsh&McLennan Company Ngvl.MI - Ed450n,NJ - Wayne,PA - Kennessa*,GA <br /> Pleasanton,CA - Cypress,CA 4 Windsor.Ontario Toronto,Ontaria ► Birmingham,LI.K, - London..U.K_—*—c-uthampton,U,K. <br />