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SENT BY:LLNL 9-21-94 2,09P o 5104222470- 812094540138;# 6 <br /> page 2 <br /> In 1992, the Lab began its Tank Upgrade Project to upgrade, <br /> remove or replace 133 storage tanks. The project calls.for <br /> replacement of underground tanks with aboveground tanks wherever <br /> possible because aboveground tanks are more easily morUtored and <br /> I ess costly, To date, the Lab has upgraded, removed or repla0ed 39 <br /> tanksA Some spillage or leakage has been discovered in a-nuniber Of <br /> the 39 tank actions thus fiar compItted; each incidence was rep"d <br /> to the appropriate state or county regulatory agency, 77W Tar* <br /> Upgrade Fraject is expected to be completed In the first quarter of <br /> According to Bruce Campbell, program n=ager for the Tank <br /> Upgmde <br /> ® Anding evidence of spillage or leakage from <br /> unearthed storap tanks is common. <br /> 'State and Federal regulations requiring replacement or upgrade <br /> of underground tanks were promulgated because lRwmakers knew <br /> there Is a permive underground storage tank leakap and overfilling <br /> problem in thiq tountry,' said Campbell. *Older technology available <br /> when the single-walled tanks were Installedand common past <br /> semcing pracUces resulted in breeches of containment more often <br /> than anyone might have expected.' <br /> "By replacing, upSmdIng or removing our old aingle-walled <br /> underground tsnks, we feel we're providing the best possible <br /> prateeUan for thit Gnviranment." <br /> end- <br />