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■ Lawrence Livermore National Laboratory <br /> November 17, 1993 <br /> Mr. Doug Wilson <br /> San Joaquin County Public Health <br /> Environmental Health Division <br /> Post Office Box 2009 <br /> Stockton, CA 95201 <br /> Subject: Annual Inventory Reconciliation Report, July 1992 -June 1993 <br /> Dear Mr. Wilson: <br /> This is the annual report of underground tank inventory reconciliation required by Title 23 <br /> California Code of Regulations,Division 3,Chapter 16 Underground Tank Regulations, <br /> Section 2646(j). The two underground tanks at Lawrence Livermore National Laboratory <br /> (LLNL) Site 300 monitored for leak tightness according to inventory reconciliation <br /> requirements are the gasoline tanks at Building 879 (879-G1U1 and 879-G2U1). Inventory <br /> reconciliation has shown that these two tanks have been leak tight for the reporting <br /> period. The inventory reconciliation data for these tanks is summarized in Attachment A. <br /> The evaluation of inventory reconciliation procedures resulted in a plan of corrective <br /> action. In telephone discussions with Bill Snavely on August 23 and September 22, 1993, <br /> Rick Henry of my staff discussed the submittal of this report at the time of the <br /> completion of the following corrective actions: <br /> 1. Train the individuals who are responsible for the inventory reconciliation activities of <br /> manual gauging,performing calculations, and reporting to management and <br /> responsible Environmental Protection Department persons. (Completed September 8, <br /> 1993). <br /> 2. Modify the manual gauging log to include daily recording of the initials of the <br /> operator performing the measurement and calculations, and require the daily <br /> calculation of month-to-date variation. (Completed August 25, 1993). <br /> 3. Modify the written inventory reconciliation procedure according to present <br /> agreements. Distribute copies of the procedure at the time of training. (Completed in <br /> draft form September 8, 1993. The final procedure is presently undergoing an internal <br /> review prior to formal distribution.) <br /> TAGG 93-183 <br /> An Equal OpportunityEmployer-Universityof California-P.O.Box 808 Livermore,California 94550-Telephone(415)422-1100-Twx 910-386-8339 UCLLL LVMR <br />