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MISTRAS Group Develops On-line Monitoring System for GE 7FA Combustion Turbines
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MISTRAS GROUP DEVELOPS ON-LINE MONITORING SYSTEM FOR GE 7FA COMBUSTION TURBINES

Princeton Junction, NJ - March, 2010 - MISTRAS Group, Inc. (NYSE:MG), in collaboration with Florida Power & Light Company, has developed an on-line monitoring system for detection of mid-compressor stator vane cracking in GE 7FA combustion turbines. The Acoustic Combustion Turbine Monitoring System, or ACTMS, is designed to detect crack propagation in compressor stator vanes prior to airfoil failure, thus enabling corrective action to avoid extensive downtime and repair costs.

ACTMS crack detection algorithms continuously monitor for signatures of cracking activity while discriminating against normal turbine operating noise. Multiple sensors, which are mounted externally on the compressor, enable ACTMS to locate and display the position of cracking events for engineers to quickly diagnose the indication and recommend corrective action. ACTMS can be interfaced to plant data networks or the turbine control system for warning and trip functions.

About MISTRAS Group:
MISTRAS is a leading "one source" global provider of technology-enabled asset protection solutions used to evaluate the structural integrity of critical energy, industrial and public infrastructure. Mission critical services and solutions are delivered globally and provide customers with asset life extension, improved productivity and profitability, compliance with government safety and environmental regulations, and enhanced risk management operational decisions.

MISTRAS uniquely combines its industry-leading products and technologies - 24/7 on-line monitoring of critical assets; mechanical integrity (MI) and non-destructive testing (NDT) services; destructive testing (DT) services; process and fixed asset engineering and consulting services; and its world class enterprise inspection data management and analysis software (PCMS™) to provide comprehensive and competitive products, systems and services solutions from a single source provider.

For more information, please visit the company's website at http://www.mistrasgroup.com or contact Nestor S. Makarigakis, Group Director, Marketing Communications at marcom@mistrasgroup.com.

The information posted is as of the date indicated and, to our knowledge, was timely and accurate when posted. We are under no obligation to update or remove outdated information other than as required by applicable law or regulation.
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