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MAY -19-2064 09:24 AM CDM 562 95 0546 P.10 <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 />compaaY <br />NOW <br />#19 Copper Batch Treatment <br />Tank Pmt® <br />Age of +` <br />Description an+ evaluationof • • <br />sidesVisual observation. All of tank are observable,s r0a•r <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 am 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 />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 <br />Tarkha� 1' of 15 years. Tank was installed in l <br />ecertiflVationnshowins <br />uall <br />s un cracks or structural instability. Does foundation appear <br />adequate to support tank? <br />No cracks observed <br />Page 56 <br /># 19 Copper Batch Trnatrnant / Copper Batch Tank Containment <br />