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❑ Description & evaluation of: <br />❑ Leak detection equipment <br />❑ Corrosion protection equipment, devices, or material <br />❑ Spill prevention & overfill equipment <br />❑ 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 />11 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 />❑-of-UPde R of <br />damage - <br />El <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 />❑ he <br />❑ Ancillary equipment is supported and protected against physical damage & excessive stress <br />due to settlement, vibration, expansion, or contraction <br />TIGHTNESS TESTING <br />D <br />❑ Pass (prior to use) <br />❑ Results documented in assessment <br />