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Tank Inspection

MTI provides a wide range of tank inspection and environmental compliance services.

MTI specializes in the inspection of Aboveground Storage Tanks, API 653 tank inspections, API 570 pipe inspections, API 510 pressure vessel inspections,  Process Piping and Steel Structures. In addition, we also provide Non-Destructive testing and inspection of USTís and Piping.

Tank Inspection Services:


MTI Inc.ís certified API 653 tank inspectors have the knowledge and capability to inspect above ground storage tanks of all sizes. We service customers with tanks from several hundred gallons to to the industryís largest petroleum and chemical tanks. MTI inspectors will meet or exceed API 653 standards on all AST inspections.

MTI Inc. conducts internal and external API 653 inspections tank inspections in compliance with API 653, STI and all local, state and federal applicable codes. MTI Inc. uses the latest technologies and the most experienced staff in the industry.

 MTI Inc. has certified inspectors for customers with specific needs in the state of Pennsylvania. 


Tank tightness testing using mass measurement , measures the pressure that the liquid in an above ground tank exerts. The temperature of the liquid does not affect the pressure because the mass remains constant. Similar to volumetric methods, an unexplained loss may indicate the presence of a leak. 


Helium leak testing is a precise means of leak detection. Helium is injected underneath a tank bottom. The helium diffuses throughout the tank bottom and easily penetrates and defective welds, cracks or pin holes. The tank interior is then scanned using a helium sniffing probe. An increased level of helium near the surface will indicate a leak in the above ground storage tank. 


MTI Inc.ís certified API 570 piping inspectors use non-destructive testing methods to evaluate the condition of service piping systems. Inspection can also include rerating of pipe systems and/or evaluations of remaining life of the system. Our inspections our conducted in accordance with API 570. 


MTI Inc.ís certified API 510 pressure vessel inspectors use non-destructive testing methods to evaluate the condition of vessels both in or out of service. Our inspections are in accordance with API 510. Rerating and remaining life calculations of pressure vessels are provided. 


MTI Inc. performs tank strapping/calibration services on above ground storage tanks. MTI Inc. can provide customers with accurate Innage, Ullage or custom charts. MTI Inc. uses industry leading technology and methods along with certified tank strapping/calibration technicians. Tank strapping is a value added service to our customers. There is a significant cost savings when done in conjunction with your API 653 internal inspections. 

Engineering Services:


MTI has produced numerous Spill Prevention Control and Countermeasure (SPCC) plans for facilities in Pennsylvania, New Jersey and New York. All SPPC plans are prepared in accordance with 40 CFR, Part 112 and certified by a registered professional engineer. SPCC Plans are intended to ensure that facilities put in place containment and other countermeasures to prevent oil spills from reaching navigable waters.

MTI has prepared various state-required spill plans including Spill Prevention Response plans in Pennsylvania, Discharge Prevention, Containment, and Countermeasure in New Jersey and Spill Response Plans in New York. All state plans are prepared in accordance with applicable codes and regulations.


Federal and several state agencies require emergency spill containment areas to be capable of containing a volume equal to 110% of the volume of the largest tank within the containment area. In addition, the permeability of the containment to the materials stored must be equal to or better than 1 x 10-6 cm/sec and the containment must be able to contain a release for a minimum of 72 hours. 

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