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MAY -19-2004 09:07 AM CDMO 562 9 84 P.08 <br />W <br />Chemical Data Management Systems <br />Tank Certification - Subject to 66265.191-192 <br />RCRA Tanks Installed after January 12, 1988, Non RC RA July 1, 1992 <br />14 pH Adjustment Tank <br />Does Company certify that tank system was properly designed <br />and installed and any necessary repairs were performed? Yes ❑ No <br />Company representative signature .................................................................... Date ......... ...................... <br />Secondary containment X Yes ❑ No Tank Capacity 209 gallons <br />Containment area name Main Treatment Berm <br />Design standard used to construct tank industry Practice. <br />Hazardous characteristic of waste handled Corrosive metal bearing aqueous waste. <br />Material of construction Epoxy coated steel. <br />Tank configuration 9 Vertical ❑ Horizontal Material Thickness 0.25" <br />Method used to determine thickness Measuring tape <br />Description of piping Tank input is overflow from #14 pH admustment tank. Tank <br />(material, diameter), output is overflow into #15 clarifier. Material is compatible. <br />and compatibility <br />Description of pumps None. <br />(internal, external), <br />and compatibility <br />�4- 4 <br />3.5' <br />el <br />i i <br />2' <br />#14 pH Adjustment Tank / Main Treatment Berm Page 34 <br />