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Wm. J. Hunter & AssociatesLoma Vista Dr. <br /> E,NVIRGtlr.ENTAL HEAT Til Sac a2mentto, CA 95825 <br /> Registered Geologists PEPMSERVICE <br /> Petroleum& Mineral Appraisers 95 MAR 22 ER (916) 972-7941 <br /> March 20, 1995 1: 58 FAX (916) 972-1683 <br /> Joel M. Weiss, Engineering Geologist <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, CA 95827-3098 <br /> Ref= Your correspondence dated 2/21/1995 concerning the Site <br /> Assessment Workplan Addendum, dated Feb. 7, 1995 - Independent <br /> Trucking, 1145 W. Charter Way, Stockton <br /> In the above referenced letter to Mr. Welch, you requested a <br /> workplan be submitted by March 31 , 1995 for further remediation <br /> of contaminated soils still present in the area formerly occupied <br /> by the removed UST' s & piping. <br /> The approved workplan addendum was designed to assist in <br /> evaluating the extent of soil contamination in the area of those <br /> removed UST' s. Soil borings C & D, and soil boring/monitoring <br /> wells #3 & #4 should help define the limits of soil contamination <br /> in the area. Until that work is completed, and the results <br /> analyzed, it is not possible to design a soil remediation <br /> program. In fact, additional investigative work may be required <br /> to fully define the limits of the plume. We certainly cannot <br /> recommend further excavation at this time; that option may be <br /> considered once sufficient data is available to enable an <br /> efficient, cost-effective program or programs to be designed. <br /> Therefore, we request that any workplan(s) for soil remediation <br /> be deferred until such time as we have defined the limits of both <br /> the soil & groundwater plumes. Once that data has been obtained, <br /> it may be possible to design a program to accomplish cleanup of <br /> both soil and groundwater in one operation. At least the work <br /> should permit a more complete evaluation of the site, and assist <br /> in proceeding with future investigative or cleanup programs. <br /> We would appreciate it if you would include us on your distri- <br /> bution list; currently Mr. Welch has to forward correspondence to <br /> our office, which causes some delays. Also, if you have any <br /> questions concerning our workplans, etc. , please feel free to <br /> contact our office directly. <br /> Sincerely, , ` <br /> Wm. J. Hun r & Associates <br /> cc: John W h <br /> Linda Turkatte <br /> W. W. Miles <br /> W. Nolet <br /> R. Lautze <br /> Independent Trucking <br />