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B1.0 SCOPE: NOTE: Tank upgrades may combine interior lining with <br /> cathodic protection in accordance with 40 CFR Part <br /> Bl.l Chapter B applies only to 40 CFR 280.21(b)(1)(ii) 280.21(b)(3). When using this method, no future tank <br /> which requires that within 10 years and every 5 years inspections are required (Page 32 of EPA's "Must for <br /> thereafter, the lined tank be internally inspected if the tank UST's", September 1988, EPA/530/UST-88/008, Office of <br /> is not cathodically protected. This chapter provides Underground Storage Tanks,Washington,D.C. 20460). <br /> minimum requirements for internal inspection and <br /> assessments of underground steel storage tanks that have <br /> been upgraded by lining and do not have external cathodic B2.0 PERMITS&APPROVALS <br /> protection. The procedures described in this chapter will <br /> meet the Federal Environmental Protection Agency's <br /> on-site work. <br /> Consult local authorities prior to the initiation of any <br /> Underground Storage Tank Technical Requirements of 40 <br /> CFR part 280.21 (b)(1)(ii) for tanks that do not meet the on- <br /> technical requirements of 40 CFR part 280.21(b)(2). <br /> B3.0 CERTIFICATIONS <br /> B3.1 The contractor shall certify to the tank owner that <br /> B1.2 The inspection and assessment procedure specified the contractor's employees performing the work are <br /> in this chapter shall only apply to tanks that have been knowledgeable of all the safety procedures of Chapters A <br /> previously lined. If a cathodic protection system has been of NLPA 631 including sections A2.0 and A5.0 through <br /> installed on a lined tank, no future inspections are A9.0 and confined space entry using form BFI of chapter <br /> required. Tanks that have not been previously lined and B. The employee shall further certify to the owner using <br /> are to be upgraded by lining or cathodic protection in form BF2 that he has performed all work in strict <br /> conjunction with lining shall be inspected and assessed in accordance with Chapter B and all applicable sections of <br /> accordance with Chapter A,section A10.4. Chapter A of this standard. <br /> B4.0 ENTRY AND CLEANING <br /> B1.3 In general, this chapter provides personnel <br /> certification, testing, inspections of existing linings, test B4.1 Tank entry and cleaning personnel shall follow all <br /> equipment, ultrasonic gauging procedure, and tank the procedures and requirements of Chapter A sections <br /> inspection report requirements. Included are future A5.0 through A8.6. <br /> internal inspection methods within 10 years after lining <br /> and every 5 years thereafter to monitoring conditions <br /> which indicate when a cathodic protection system should B5.0 LINING INSPECTION <br /> be added or the tank should be removed from service. <br /> 44 <br />