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MORRIS ENGINEERING & ASSOCIATES, INC. <br /> CONSULTING ENGINEERS <br /> Seismic anchors were not installed on all the tanks under investigation. It is our recommendation that seismic <br /> anchors be installed regardless of whether or not the tank will be used to treat hazardous wastes in the future. <br /> Based on our inspections and evaluation,we are providing this written certification for the abovementioned <br /> tanks,and associated secondary containment following the guidelines of Title 22 California Code of <br /> Regulations,Chapter 15,Article 10,Section 66265.192&Section 2265.193. Please note that this <br /> certification does expire. As required by the California Code of Regulations,a tank certification is valid for a 5 <br /> year period up until the tank has reached its expected end of life. Aker this point,it is required that the tanks be <br /> recertified annually to ensure that they are not structurally deteriorating. In following with the intent of this <br /> requirement,we certify the abovementioned tanks for the following durations: <br /> Tank# Duration of Certification <br /> T1 5 Years <br /> T2 5 Years <br /> T3 5 Years <br /> Based on the abovementioned certification durations,the 5 year certifications will expire on May 14,2016. <br /> It is important to keep all of your certifications current. This certification is required to be kept on file at your <br /> facility until the closure of the facility. Please note that this certification is only valid for the tanks themselves <br /> and the secondary containment Prior to using the system to treat or store hazardous waste an additional <br /> certification must be completed on all associated piping and equipment. Additionally,the abovementioned <br /> repairs and leak tests must be completed prior to placing the system in service to treat or store hazardous <br /> waste. Seismic anchors should be installed as soon as convenient to prevent the unrestrained tanks from <br /> sliding or overturning in the event of an earthquake. If there is anything else you need assistance with,please <br /> do not hesitate to contact us. <br /> 1 certify under penalty of law that this document and all attachments were prepared under my direction or <br /> supervision in accordance with a system designed to assure that qualified personnel properlygather and evaluate <br /> the information submitted. Based on my inquiry of the person or persons who manage the system,or those persons <br /> directly responsible forgathering the information, the information submitted is,to the best of my knowledge and <br /> belief, true,accurate,and complete. I am aware that there are significant penalties forsubmitting false <br /> information,including the possibility offine and imprisonmentfor knowing violations. <br /> Sincerely, <br /> QRpFESS/- <br /> MORRIS ENGINEERING & ASSOCIATES, Inc. )!Ir O C R1p1P <br /> 7 / C5 o n m <br /> Ronald G. Morris, P.E. 039237 <br /> ,>� IRES 12/31/11 *. <br /> sT CW\1 �Q <br /> 9TFOF CAW <br /> 1300 INDUSTRIAL ROAD, SUITE 14, SAN CARLOS,CA 94070, (650)595-2973 FAX(650)595-2980 <br /> Email: lee@morriseng.com <br />