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TIP - 1 <br /> Appendix 6 <br /> Assessment Requirements for <br /> Existing Tanks holding RCRA wastes <br /> You have determin d that the tank/system you are concerned with is subject to <br /> regulation as an exi ting tank/system accumulating only RCRA wastes. <br /> Assessment Stan ards: <br /> First Assessm nt: The first assessment of the tank/system integrity needs to <br /> occur prior t placing the tank/system into operation or by January 12, 1988 <br /> (whichever i later). <br /> Assessment a ective term: Assessments are valid indefinately.a <br /> Assessment renewal: Not required. <br /> Assessment Contents: <br /> (1) Certification from an independent professional engineer. <br /> (2) An assessm nt of an existing tank/system must include the following <br /> information: <br /> Materi I of construction <br /> Materi I thickness and how the thickness was determined <br /> Descri tion of the system piping (materials, diameters) <br /> Descri tion of any internal and external pumps <br /> A sket h or drawing of the tank, including the dimensions <br /> Age of the tank <br /> Description and evaluation of leak detection equipment <br /> Descri tion and evaluation of corrosion protection equipment <br /> Descri tion and evaluation of spill control or overfill equipment <br /> Chara teristics of the wastes handled <br /> Descrition of any structural damage or inadequate installation or <br /> con truction <br /> Result of leak test, internal inspection or other integrity testing (noting <br /> typ of test performed) <br /> Estima a of service life of the tank <br /> Re ulato Referen e: <br /> California Co a of Regulations, title 22, section 66265.192, subd. (k) <br /> This tank/system is ligible for a one-time three-year exemption from assessments if <br /> granted by a CUPA. <br /> a The language found in Ca 'forma Code of Regulations,title 22,section 66265.191,subd.(e)(1)that requires <br /> annual assessment of existin tanks that do not have secondary containment(that meets the standards in section <br /> 66265.193)do not apply to anks holding RCRA waste that is not exempt or RCRA wastes generated by RCRA <br /> Large Quantity Generators( enerate more than 1000 kg. of RCRA waste in a month). <br />