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TESORO MONTHLY VISUAL TANK INSPECTION REPORT <br /> TANK 29 LOCATION: 3003 Navy Dr. Stockton,CA. 95206 12/412018 <br /> THE FOLLOWING ITEMS WILL BE EXAMINED AND DOCUMENTED ON A MONTHLY BASIS FOR EACH TANK: <br /> S NO N/A CONDUCTED A VISUAL TANK INSPECTION FOR LEAKS, SPECIFICALLY LOOKING FOR: <br /> ��� OK DEF N/A <br /> X —� Drip Marks <br /> X Discoloration of Tanks <br /> X Puddles Containing Stored Material <br /> X Corrosion <br /> X Cracks <br /> X Localized Dead Vegetation <br /> Other(Note) <br /> X CONDUCTED A VISUAL INSPECTION OF THE EXTERIOR FOR ANY SHELL DISTORTION <br /> X Shell Distortion <br /> Other(Note) <br /> --i-E-- <br /> CONDUCTED A VISUAL INSPECTION FOR SIGNS OF EDGE SETTLEMENT <br /> X _ Gaps Between Tank and Foundation <br /> X Check that Rainwater Does Not Pool Around the Tank <br /> X Check that Tank Chine Area is Free of Soil and Vegetation <br /> Other(Note) <br /> X CONDUCTED A VISUAL INSPECTION FOR SIGNS OF CORROSION OR COATING PROBLEMS: <br /> X Tank Corrosion <br /> X Paint Chipping or Paint Failure <br /> Other(Note) <br /> CONDUCTED A VISUAL INSPECTION OF INSULATION SYSTEM: <br /> _ CONDUCTED A VISUAL INSPECTION OF ALL APPURTENANCES INCLUDING: <br /> X Autogauge Tape for Proper Movement <br /> X Nozzles <br /> X Manways <br /> X Valves <br /> X Mixers <br /> X Vents <br /> EXX Stairways <br /> Sample Stations&Water Draws <br /> Other(Note) <br /> X CONDUCTED A VISUAL INSPECTION OF THE SECONDARY CONTAINMENT FOR <br /> X Dike Erosion <br /> X Vegetation <br /> X Debris <br /> X Drainage Valves (Should be Locked) <br /> X Oil Stains <br /> X Water <br /> X Holes in Liner or Liner Failure <br /> Other(Note) <br /> X CONDUCTED A VISUAL INSPECTION OF THE ASSOCIATED TANK PIPING: <br /> X Droplets of Stored Material <br /> X Discoloration <br /> X _ — Corrosion <br /> X Bowing or Damaged Pipe Supports <br /> X Evidence of Stored Material Leakage on Valves or Seals <br /> X Localized Dead Vegetation <br /> Other(Note) <br />