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■ Lawrence Livermore National Laboratory <br /> . � Tf� <br /> April-25, 1994 <br /> 12Mr. Bill Snavely <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> Post Office Box 2009 <br /> Stockton,Ca. 95201 <br /> SUBJECT: March Monthly Tank Integrity Testing Results for Underground <br /> Petroleum Tanks Over 2,000 Gallons <br /> Dear Mr. Snavely: <br /> Title 23,California Code of Regulations, Division 3,Chapter 16 Underground Tank <br /> Regulations, Section 2643 (c), (1) requires monthly integrity testing of underground <br /> storage tanks that contain hazardous product or wastewater with a capacity of 2,000 <br /> gallons or more. Lawrence Livermore National Laboratory presently has two USTs, <br /> 865-D1U1 and 871-D1U1, in that category at Site 300. These tanks contain diesel fuel for <br /> emergency stand-by generators or boilers. <br /> Enclosed is a summary of the results and copies of the test data of the integrity tests <br /> performed by state licensed tank tester, Mr. Richard J. Silva (License No. 91-1437),of <br /> Clayton Environmental Consultants, Inc., Pleasanton, California for the month of <br /> March. These tests were done using Horner EZY-CHEK test equipment. <br /> The results of the March 16 tank integrity test performed on tank 865-DlU1 and the <br /> March 17 test on tank 871-DlU1 show both of the tanks to be product tight. <br /> If you require additional information or have questions regarding this information or <br /> the results, please call Sabre Coleman,Tank Assessments and Guidance Group Leader, <br /> at (510) 422-3430. <br /> Sincerely, <br /> C. Susi Jackson, Division#Lea/er <br /> Operations and Regulatory Affairs <br /> Environmental Protection Department <br /> Enclosure <br /> cc: Hill, P., DOE/OAK <br /> Sommer R., DOE/OAK <br /> CSJ/MH:em:fh <br /> An Equal Opportunity Employer•University of California•P.O.Box 808 Livermore,CA 94551-9900 0 Telephone(510)422-1100 •Twx 910-386-8339 UCLLL LVMR <br />