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MAY -19-2004 09:00 AM C11 <br />MS4O 562 90*849 P.17 <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 />ComWy Nuns <br />#1Qyanide estruc <br />Age of tank installed in 1984, <br />Description and evaluation of leak detection <br />Visual detection only. Tank is a rubber lining inside a vault. <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 />Describoany corrosion <br />None observed. <br />I-- <br />Dcscribe 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 />None performed. <br />stimated remaining service life of the tank system (15 years for polymer tanks) <br />iner is a co sumable material that needs to be replaced periodically. <br />Is foundation showing cracks or structural instability. Does foundation appear <br />adequate to support tank? <br />Not able to see foundation. <br />W 0 Cyanide Destruct / Sump Containment Area Page 23 <br />