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STATE OF CALIFORNIA <br /> _ GEORGE DEUKMEJIAN.Gove-na, <br /> CALIFORNIA REGIONAL WATT QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION . <br /> 3443 ROUTIER ROAD <br /> SACRAMENTO,CA 95827-3098 <br /> Vowl <br /> LA <br /> 19 August 1987 �J (II�JUVII��9 <br /> Fred J. Burkett, LTC, USA AUG 2 Z: 1987 <br /> Director Office of Installation Services ENVIROMENTAL HEALTH <br /> Defense Depot Tracy FERMIT/SERVICES <br /> Defense Logistics Agency <br /> Tracy, CA 95367-5000 Z S(o&tj S- !may <br /> DDT WASTE DISCHARGE REQUIREMENTS AND GROUND WATER PROGRESS REVIEW <br /> MEETING, TRACY, SAN JOAQUIN COUNTY. <br /> The Regional Board staff is in the process of reviewing and <br /> updating waste discharge requirements for Defense Depot Tracy <br /> (DDT) . We briefly discussed the information we need to complete <br /> this process with Jack Haines at DDT, and agreed to make a <br /> written request for the information. Enclosed is a memo which <br /> reviews our efforts to update the requirements, and lists the <br /> information we need at this time. Please submit those items <br /> listed under- "Information Requirements. " <br /> A memo describing the meeting held at DDT on 7 July 1987 <br /> concerning the ground water contamination remedial investigation <br /> is also enclosed. <br /> We have recently received a copy of the proposed workplan for <br /> phase 2' of the remedial investigation along with your minutes of <br /> the 7 July 1987 meeting. The following points regarding those <br /> minutes are listed as clarification: <br /> 1. We did not agree that "soil boring and soil gas probe <br /> results indicate that at no locations are contaminant <br /> concentrations sufficiently high to warrant remedial <br /> action such as excavation. " <br /> 2. We did not agree that 20 soil borings would be <br /> sufficient to further characterize source areas. <br /> We have met with the Department of Health Services to coordinate <br /> our review of the workplan. We discussed our main comments with <br /> Jack Haines by phone on 7 August, and will send written comments <br /> shortly. <br /> If you have any questions concerning this site, please call <br /> Robe t Niblac at (916) 361-5681. <br /> ANTONiA K. J. VORSTER <br /> Senior Engineer <br />