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f • • <br /> G Lawrence Livermore National Laboratory <br /> Li <br /> May 18, 1989 � �� <br /> Ms. Laurie Cotulla M AY 2 5 1989 <br /> Environmental Health <br /> San Joaquin Local Health District <br /> Post Office Box 2009 I'�'Jlif/ f.'JIB <br /> Stockton, Ca. 95201 <br /> SUBJECT: Inventory Reconciliation Report, 3rd Quarter, <br /> 4th Quarter, 1988 and 1st Quarter, 1989 <br /> Dear Ms. Cotulla: <br /> In-use underground storage tanks constructed before January 1, 1984, are <br /> subject to the leak monitoring alternatives defined by California <br /> Administrative Code Title 23, Chapter 3, Subchapter 16 Underground Tank <br /> Regulations, Article 4, Section 2641. Underground storage tanks monitored <br /> according to alternatives that include fuel quantity measurements are to <br /> report the results of these measurements quarterly. This letter is the <br /> quarterly inventory reconciliation report for the 3rd and 4th quarters of <br /> 1988 and the lst quarter of 1989 filed for the Lawrence Livermore National <br /> Laboratory Site 300 facility. It covers the period from July through <br /> December, 1988 and January through March, 1989. Since a revamped inventory <br /> reconciliation program was started in January, 1989, these quarterly reports <br /> will now be sent on a timely manner at the end of every quarter. <br /> Underground storage tanks subject to inventory control reporting at the Site <br /> 300 facility are used as fuel supplies for standby emergency generators and <br /> for motor vehicles. <br /> Emergency generator fuel supplies are registered with the State Water <br /> Resources Control Board as systems 805-41D (805-DlUl) , 827-12D (827-D2U1) , <br /> 834-11D (834-DlUl) , and 836-41D (836-DlUl) . Lawrence Livermore National <br /> Laboratory now identifies these tank systems as 805-D1U1, 827-D2U1, 834-D1U1, <br /> and 836-D1U1, respectively. These systems are monitored according to <br /> monitoring alternative no. 7: weekly tank gauging and annual tank testing. <br /> Reconciliation of weekly tank gauging shows quantity variations to be within <br /> allowable variations for the third and fourth quarters of 1988 and the first <br /> quarter of 1989. <br /> Motor vehicle fuel supplies are registered as systems 879-ClU1 and 879-G2U1. <br /> Both of these systems are monitored by the requirements of monitoring <br /> alternative no. 5: daily inventory reconciliation, annual tank testing, and <br /> continuous operation of pipeline leak detectors. Both systems were equipped <br /> with pipeline leak detectors in February, 1989. <br /> An Equal Opportunity Employer•Universityof California•P.O.Box 808 Livermore,California 94550•Telephone(415)422-1100•Twx 910-386-8339 UCLLL LVMR <br />