API 653 Tank Inspection Services

International Tank Service provides comprehensive API 653 Inspections, documentation, and recommendations to customers in accordance with API 653. By allowing our professionals to inspect your tank, you insure that your tank will remain in peak condition. By diagnosing trouble signs early on, you may avoid future problems before they have a chance to progress.

On our staff we have licensed API 653 Inspectors. All final reports are reviewed by a Professional Engineer/API 653 Tank Inspector with aboveground storage tank experience.


Types of API-653 Inspection Services

  • In-service API-653 tank inspection
  • Out-of-service API-653 tank inspection
  • Foundation settlement
  • Corrosion evaluations
  • Coating inspections including holiday testing
  • Floating roof seal gap inspections per EPA requirements
  • Helium testing for leaks in floors and floating roofs
  • Frangible roof evaluations
  • Allowable pressure analysis
  • Normal and emergency vent selection

Methods of NDE Inspection

  • Magnetic Flux Leakage (MFL) Floor Scan inspection
  • MFL Floor Scan inspection through coatings
  • MFL Floor Scan inspection on thick floor plate
  • MFL Edge Scan evaluation
  • Ultrasonic Thickness (UT) inspection
  • Ultrasonic (UT) inspection through coatings
  • Ultrasonic (UT) shell evaluation
  • Visual examinations (VT)
  • Magnetic Particle (MT) examination
  • Penetrant Testing (PT)
  • Vacuum Box (VB) examination
  • Eddy Current inspection (ET) on tank welds