MACTEC WINS $10 MILLION CONTRACT FROM EPA

RESEARCH TRIANGLE PARK, NC, March 17, 2006 - MACTEC Engineering & Consulting (MACTEC E&C) has been awarded a $10 million, five-year contract from the U.S. Environmental Protection Agency (EPA). The contract is a continuation of work that MACTEC has been conducting for the EPA for almost 20 years. Bruce C. Coles, president of MACTEC E&C and chairman & CEO of MACTEC, Inc., the holding company (www.mactec.com) - made the announcement.

According to Dr. Arthur Werner, MACTEC senior principal engineer who is supervising the program, services the company is providing include:

Source testing for mercury emissions and fine particulate matter
Developing emission factors for air pollutant emissions used in emission inventories
Remote sensing of pollutants using advanced techniques such as Fourier Transform Infrared Source Spectroscopy (FTIR)
Ambient monitoring for fine particulate matter, ozone, and toxic air pollutants
Data analysis
Lab analysis

Werner said a number of projects are already underway for the EPA. One of these involves developing a protocol to demonstrate the capabilities of a technology for continuous monitoring of area sources that emit hazardous air pollutant metals. A second project consists of providing technical support in assessing and developing measurement and control technologies for pollutants that are regulated or projected to be regulated domestically and in other countries.

MACTEC, based in Alpharetta, GA, is a $436 million environmental, engineering, construction management, and infrastructure services firm with 3,000 employees in over 100 offices nationwide. North Carolina offices are located in Asheville, Charlotte, Fayetteville, Greensboro, Raleigh, Research Triangle Park, and Wilmington.

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