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MAY -19-2004 09:09 AM CDMS 562 988 0848 <br />0 0 <br />Chemical Data Management Systems <br />Tank Certification - Subject to 66265.191-192 <br />RCRA Tanks Installed after January 12, 1988, Non RCRA July 1, 1992 <br />T 1 Delta Platin, Inc. <br />Cmnpeny N <br />#15 Clarifier Tank <br />Tank Node <br />Age of tank Installed in 1984. <br />Description and evaluation of leak detection <br />Visual observation. All sides of tank are observable. <br />Description and evaluation of corrosion protection <br />Outside of tank is showing signs of rust. Inside of tank showing ery evident gns of <br />rust. Maintenance is required. No rust should be observable. <br />Description and evaluation of spill prevention —� <br />Visual. Room is generally occupied and an overflow condition would be <br />immediately observable, <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 an scra�f protective coating <br />Describe any corrosion <br />apparent on inside and somewhat apparent on outside of tank. <br />Describe any structural damage or inadequate 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 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 />P.12 <br />#15 Clariller Tank/ Main Treamient Berm Page 38 <br />