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MAY-19-2004 08:88 AM CDMSO 862 9810849 P.11 <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 />Delta Plating, Inc. <br />Cwwanyftm <br /># 07 Holding Tank #1 <br />Taft Name <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 />Description and evaluation of corrosion protection <br />Construction material is corrosion resistant and no corrosion was observed. <br />Description and evaluation of spill prevention <br />None. <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 corrosion <br />None observed. <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 tank to be leak free. <br />Estimated remaining service life of the tank system (15 years for polymer tanks) <br />Tank has life expectancy of 15 years. Tank was installed in 1984. Tank must be <br />recertified annually. <br />Is foundation showing cracks or structural instability. Toes foundation appear <br />adequate to support tank? <br />No cracks observed. <br /># 07 Holding Tank 01 ( Holding Tank Berm Page 17 <br />