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MAY -19-2004 09:09 AM IDMS 562 988 0849 P.11 <br />46 0 <br />a <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 />I <br />C=oWN&w <br />—EInC <br />77 <br />#IS Clarifier Tank <br />Took No= <br />Does Company certify that tank system was properly designed <br />and installed and any necessary repairs were performed? IN Yes C3 No <br />Company representative signature .... .................... ........... ........................ . Date <br />Secondary containment N Yes 0 No Tank Capacity 1,466 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 Steel, epoxy painted on outside, rubber coated on the inside, <br />Tank configuration %Vertical El Horizontal Material Thickness 1/411 <br />Method used to determine thickness Measuring tape <br />Description of piping Overflow from Tank #13 is input into this tank. This tank <br />(material,, diameter), promotes settling. Sludge is pumped to Tank #7. Clear water <br />and compatibility drains to Tank #18 using PVC pip& Material is compatible. <br />Description of pumps Air displacement pump attached to outlet pipe that drains to the <br />(internal, external), sludge holding tank. Material is compatible. <br />and compatibility <br />2" PVC Inlet <br />Outlet to <br />Tank 18A <br />Overall Dimensions <br />Outlet to Sludge Length 81 <br />Holding tank Width 3.5' <br />Height 71 <br />#13 Clarl fler Tank / Main Treatment Berm <br />Page 37 <br />