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❑ Description & evaluation of: <br /> ❑ Leak detection equipment <br /> ❑ Corrosion protection equipment, devices, or material <br /> ❑; Spill prevention & overfill equipment <br /> El Secondary containment for tank& equipment <br /> ❑ Corrosion protection <br /> ❑ Type & degree necessary to ensure integrity during use <br /> ❑ If field fabricated, installation supervised by independent corrosion expert <br /> ❑ If external metal components may be in contact with water or soil: <br /> ❑ Factors affecting potential for corrosion: <br /> ❑ Soil moisture content ❑ Soil resistivity <br /> ❑ Soil pH ❑ Structure to soil potential <br /> ❑ Soil sulfides level ❑ Stray electric current <br /> ❑ Influence of nearby underground ❑ Existing corrosion protection <br /> metal structures (e.g. piping) measures <br /> ❑ Type and degree of external corrosion protection needed during use, consisting of <br /> corrosion-resistant materials of construction, corrosion resistant coating with <br /> cathodic protection, or electrical isolation devices <br /> ❑ F e-a-dete <br /> ❑ Hazardous characteristics of waste handled <br /> ❑ Estimated remaining service life <br /> INSPECTION <br /> ❑ Conducted by an independent qualified installation inspector or an independent, qualified, <br /> California professional engineer, either of whom is trained and experienced in proper <br /> installation of tank systems <br /> ❑ Written documentation of inspection for and correction of: <br /> ❑ Weld cracks or breaks ❑ Cracks <br /> ❑ Punctures ❑ Corrosion <br /> ❑ Structural damage or inadequate ❑ Scrapes of protective coatings <br /> construction/installation <br /> ❑ otageaes c® <br /> ❑ Ancillary equipment is supported and protected against physical damage & excessive stress <br /> due to settlement, vibration, expansion, or contraction <br /> TIGHTNESS TESTING <br /> ❑ Pass (prior to use) <br /> ❑ Results documented in assessment <br />