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ti <br /> ■ Lawrence L00 ivermore National Laboratory <br /> September 2, 1993 <br /> Mr. Bill Snavelycn <br /> San Joaquin County Public Health Services + <br /> Environmental Health Division =r <br /> Post Office Box 2009 - <br /> Stockton,Ca. 95201 <br /> SUBJECT: August 1993 Monthly Tank Integrity Testing Results rn <br /> Dear Mr. Snavely: <br /> Enclosed is a list of the monthly tank integrity testing results for two Lawrence <br /> Livermore National Laboratory (LLNL) Site 300 underground petroleum tanks <br /> having capacities of 2,000 gallons or more. Tanks 827-DlU1 and 865-DlU1 were <br /> integrity tested and found to be leak tight. 871-DlUl has been removed from <br /> service for the summer and is being monitored by manual tank gauging <br /> performed weekly. <br /> Monthly tank integrity testing is performed to satisfy the requirements of Title 23 <br /> California Code of Regulations,Division 3,Chapter 16 Underground Tank <br /> Regulations,Section 2643 (c), (1). <br /> All integrity tests for the month of August 1993 were completed using Horner <br /> EZY-CHEK test equipment operated by state licensed tank tester, Mr. Gary <br /> Williams (License No. 90-1296) of Clayton Environmental Consultants, Inc., <br /> Pleasanton,California. <br /> If you require additional information or have questions regarding the integrity <br /> testing procedure or results,please call Richard Henry of the Tank Assessment <br /> and Guidance Group (510) 423-3641. <br /> Sincerely, <br /> C. Susi Jackson, Divi io Leader <br /> Operations and Regulatory Affairs <br /> Environmental Protection Department <br /> CSJ/DC:kp <br /> Enclosure <br /> An Equal Opportunity Employer•Universityof California•P.O.Box 808 Livermore,California 94550•Telephone(415)422-1100•Twx 910-386-8339 UCLLL LVMP <br />