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MAY -19-2004 09:08 AM CDMS0 562 988 0848 P.09 <br />Chemical Data Management Systems <br />Tank Certification - Subject to 56265.191-192 <br />,. RCRA Tanks Installed after January 12, 1988, Non RCRA July 1, 1992 <br />C . ' Delta P <br />ompmy Name <br />4, pH Adjustment Tank <br />Took Nwa <br />Age of tank Installed in 1984. <br />Description and evaluation of leak detection <br />Visual observation. All sides of tank are observable, except bottom. <br />evaluation of corrosion protection <br />Paint. Unit needs to be repainted, as some superficial rust is apparent. <br />Description and evaluation of spill prevention <br />Tank is within a containment area of sufficient capacity, <br />Description and evaluation of secondary containment <br />Contained in waste water treatment containment area which is adequate in capacity. <br />Describe any weld cracks or breaks <br />None observed. <br />Describe any scrapes of protective coating <br />None observed. <br />Describe any-" <br />Some corrosion was evident, and will be address during the next preventative <br />maintenance activity. _ - - -- - <br />Describe any structure amage or tna equate construction or installation <br />such as cracks, punctures, or damaged fittings <br />None observed. <br />Describe method and result of leak test <br />Visually observed tank to be leak free. <br />Estimated remaining service life of the tank system ( 15 years for polymer tanks) <br />Tank should last at least 5 years, with proper maintenance. <br />Is foundation showing cracks or structural instability. Does foundation appear <br />adequate to support tank? <br />No cracks observed. <br />#14 pH Adjustment Tank / Main Treatment Berm Page 35 <br />