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Lawrence Liverm'are National Laboratory <br /> Li <br /> August 19, 2011 RECEIVED <br /> AUG 19 2011 <br /> Ms. Thuy Tran ENVIRONMENTAL HEALTH <br /> Registered Environmental Health Specialist <br /> PERMIT/,%RVICES <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street Stockton, CA 95202-3029 <br /> Subject: Secondary Containment Testing Reports for B879 and B882 <br /> Underground Storage Tanks at Lawrence Livermore National Laboratory, Site 300 <br /> Dear Ms. Tran: <br /> Please find enclosed the August 3, 2011, Secondary Containment Testing reports for leak <br /> testing of secondary containment components of the permitted petroleum underground storage <br /> tank (UST) systems 879-D 1 U 1, 879-G3U 1, and 882-D 1 U 1 at the Lawrence Livermore <br /> National Laboratory, Site 300. The secondary containment leak testing was performed in <br /> accordance with California Health and Safety Code §25284.1(a)(4)(B)(i) and California Code <br /> of Regulations Title 23 §2637(a). Secondary containment testing of the USTs was performed by <br /> Mr. Brian Thornton of Thornton Environmental Construction, Inc. of Milpitas, CA. The test <br /> reports indicate that the secondary containment for the tested USTs are leak tight. <br /> If you have any questions regarding the test results, or need additional information, please <br /> contact Bill Schwartz of the Water, Air, Monitoring, and Analysis group at (925)423-6626. <br /> Sincerely, <br /> jza'*-� a%- <br /> Gretchen Gallegos, Lea er <br /> Water, Air, Monitoring & Analysis Group <br /> Environmental Functional Area <br /> Enclosures: 1. Secondary Containment Testing report for B879 Underground Storage Tanks <br /> 2. Secondary Containment Testing report for B882 Underground Storage Tank <br /> ESH-EFA-WQ-11-1920/EFAI 1-086—GG:WWS:ilh <br /> RecyrW <br /> 7600.61230 <br /> An Equal Opportunity Employer•Lawrence Livermore National Security, LLC•Operated for the US Department of Energy <br /> P.O. Box 808 Livermore,California 94551-0808•Telephone(925)422-1100•http://Www.11nl,gov <br />