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The following summary describes the findings of the tank assessment regarding the required <br />components of a Waste Tank Assessment Report: <br />(1) Design Standards <br />According to Containment Solutions, the LubeCube Aboveground Storage Tanks, for <br />Flammable Liquids are designed, constructed, and listed in accordance with Underwriters <br />Laboratories, Inc., (UL) Standard UL 142 which is the standard for Steel Aboveground <br />Tanks for Flammable and Combustible Liquids. The listing meets requirements for <br />atmospheric tanks of The National Fire Protection Association Sections 30, 30A, 31 and <br />The Uniform Fire Code Article 79. According to the information on the tank, the `Lube <br />Cube' tank (Model No. 749275) was designed and manufactured in accordance with <br />Standard UL 142 by Containment Solutions specifically for storing waste oil. There were <br />no design standards, plans or drawings, to which the tank was constructed available for <br />review at the time of the on site tank assessment. However, Lube Cube® specifications, <br />drawings and dimensions were obtained from Containment Solutions and are included as <br />Attachment B. <br />(2) Hazardous Characteristics of Waste Oil <br />The tank is used to store waste oil, which is a hazardous waste that is considered <br />flammable under certain conditions, and may contain metals. The steel tank and the <br />secondary containment system are compatible with hazardous characteristics of waste oil <br />and metals. <br />(3) Existing Corrosion Protection Measures <br />The interior of the carbon steel tank is compatible with waste oil. The exterior surface of <br />the tank was coated with a corrosion resistant industrial paint. The tank is located within <br />a secured area beneath a roof reducing exposure of the double -walled tank to ultraviolet <br />light and from adverse storm conditions. <br />(4) Age of the Tank System <br />According to manufacturer's nameplate on the tank, the tank was manufactured in March <br />1999. <br />(S) Tank Integrity Testing Results <br />According to Mr. Hemenover, Afforda-TeR conducted a tank integrity test on December <br />5, 2008, by pressurizing the primary and secondary tanks. The pressure test results <br />indicated that the tank did not leak under pressure. To the best of his knowledge, Mr. <br />Hemenover was not aware of prior tank testing conducted before the December 2008 <br />Ha_mrlous Waste Oil Tank Assessment Report 3 NES, Inc. <br />Waste Mnrmgement, Inc. - Central Valle), Waste Transfer Station NES Project Number 289.EC743.00 <br />Lodi. California <br />