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Material Technologies, Inc. Symbol: MTTG Website: www.MatechCorp.com

MTTG Has Great Profit Potential Your Best Opportunity of the Year!

Under federal law, nearly 190,000 steel highway bridges are subject to inspection every two years. In other words, the number of annual inspections for which EFS could be used is nearly 95,000.

In 2006, the Federal Highway Administration (FHWA) classified 39,496 steel highway bridges as structurally deficient. Another 34,951 were labeled functionally obsolete.

The average age of U.S. bridges is greater than 50 years, and most bridges in the U.S. were designed for a 50-year life.

About Material Technologies, Inc.

Bridging The Way To Safety: Providing Solutions for an Aging Infrastructure

The continued economic strength and growth of the United States is intimately linked to the strength and reliability of our highways and bridges. The American public is experiencing the effects of an aging and deteriorating highway system. Increased delay, discomfort, and congestion, along with reductions in safety and service, are frequent. Highway agencies are struggling to cope with the increasing demands on their highways, and deteriorating bridges are becoming more severe choke points in the system.

MATECH's mission is to help solve the urgent aging infrastructure problem in the U.S. and worldwide through the implementation of innovative technologies that revolutionize outdated bridge inspection, management and maintenance philosophies.

Bridging the Facts:

• Fatigue is one of the leading causes of bridge structural problems.
• All 200,000 metal bridges listed in the National Bridge Inventory (NBI) require biennial inspection, as mandated by National Bridge Inspection Standards.
• Approximately $400 million is spent annually on inspection of small-to medium-size steel bridges.
• Visual Inspection is the most used inspection method, and according to the Federal Highway Association, about 90% of fatigue cracks are missed during visual inspection.
• A bridge failure (closure/collapse) occurs once a week on average in the US – causing highway congestion, which ultimately affects economic productivity.
• Average age of bridges is 50 years – most bridges in the U.S. are designed for a 50-year life.
• In the U.S., nearly 40% of bridges are structurally deficient or functionally obsolete (FHWA) and 26% of U.S. bridges are not designed to handle current traffic levels or need major repairs.
• New legislation is being introduced in Congress that would require states to comply with higher safety standards, such as using the latest technologies to increase bridge safety.

"The visual testing process is really the inspector guessing what cracks should be fixed"

THE ELECTROCHEMICAL FATIGUE SENSOR SYSTEM (EFS™)

Drawing Worldwide Interest:

MATECH is targeting EFS for use on the nation's 190,000 steel bridges. In 2006, the Federal Highway Administration classified 39,496 steel highway bridges as structurally deficient, and another 34,951 were labeled functionally obsolete. "The total potential revenues from EFS inspections on structurally deficient and obsolete bridges in the U.S. is over $550 Million" says Robert Bernstein, President and CEO of MATECH.

EFS is a nondestructive crack inspection technology, similar in concept to a medical EKG, which is used to determine if actively growing fatigue cracks are present. An EFS sensor is first applied to the fatigue sensitive location on the bridge or metal structure, and then is injected with an electrolyte, at which point a small voltage is applied. The system subsequently monitors changes in the current response that results from the exposure of fresh steel during crack propagation. The EFS system consists of an electrolyte, a sensor array and potentiostat for applying a constant polarizing voltage between the bridge and sensor, as well as data collection and analysis software. The current response from the sensor array, which consists of a crack measurement sensor and a reference sensor, are collected, analyzed and compared with the system software. An algorithm, specifically written for this system, automatically indicates the level of fatigue crack activity at the inspection location.

Benefits:

• Increases the safety of the infrastructure and the efficiency of bridge management through better and more timely fatigue crack detection.
• Replaces "wait and see" approach by allowing immediate detection of growing cracks at known and unknown locations, as well as at repairs.
• More accurate assessment of condition ratings – extends the life of the structure through early identification and repair of growing cracks.
• Determines which cracks need immediate attention and which repairs can be deferred or eliminated; helps bridge owners utilize repair and rehabilitation funds more effectively.
• Repairs/retrofits can be verified immediately – no re-inspection needed.

"EFS IS THE ONLY TECHNOLOGY THAT CAN DETERMINE IF A CRACK IS GROWING"

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