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TIP - 1 <br />Appendix 6 <br />Assessment Requirements for <br />Existing Tanks holding RCRA wastes <br />You have determined that the tank/system you are concerned with is subject to <br />regulation as an existing tank/system accumulating only RCRA wastes. <br />Assessment Standards: <br />First Assessment: The first assessment of the tank/system integrity needs to <br />occur prior to placing the tank/system into operation or by,January 12, 1988 <br />(whichever is later). <br />Assessment effective term: Assessments are valid indefinitely a <br />Assessment renewal: Not required. <br />Assessment Contents: <br />(1) Certification from an independent professional engineer. <br />(2) An assessment of an existing tank/system must include the following <br />information; <br />Material of construction <br />Material thickness and how the thickness was determined <br />Description of the system piping (materials, diameters) <br />Description of any internal and external pumps <br />A sketch or drawing of the tank, including the dimensions <br />Age of the tank <br />Description and evaluation of leak detection equipment <br />Description and evaluation of corrosion protection equipment <br />Description and evaluation of spill control or overfill equipment <br />Characteristics of the wastes handled <br />Description of any structural damage or inadequate installation or <br />construction <br />Results of leak test, internal inspection or other integrity testing (noting <br />type of test performed) <br />Estimate of service life of the tank <br />Regulatory Reference: <br />California Code of Regulations, title 22, section 66265 192, subd (k) <br />This tank/system is eligible for a one-time three-year exemption from assessments if <br />granted by a CUPA. <br />a The language found in California Code of Regulations, title 22, section 66265 191, subd. (e)(1) that requires <br />annual assessment of existing tanks that do not have secondary containment (that meets the standards in section <br />66265 193) do not apply to tanks holding RCRA waste that is not exempt or RCRA wastes generated by RCRA <br />Large Quantity Generators (generate more than 1000 kg. of RCRA waste in a month). <br />