Chicago Plans Improvements to Wastewater Treatment Plant

Earth Tech Inc., a business unit of Tyco International Ltd., has been awarded a $7.5 million contract by the Metropolitan Water Reclamation District of Greater Chicago (MWRDGC) to provide overall project management and preliminary and final design services at the District's largest wastewater treatment facility.

LONG BEACH, CA, Aug. 7, 2006 -- Earth Tech Inc., a business unit of Tyco International Ltd., has been awarded a $7.5 million contract by the Metropolitan Water Reclamation District of Greater Chicago (MWRDGC) to provide overall project management and preliminary and final design services at the District's largest wastewater treatment facility.

Earth Tech will evaluate and oversee improvements to increase efficiency and enhance the effectiveness of the sludge treatment process at one of the world's largest wastewater treatment plant - the Stickney Water Reclamation Plant.

As part of the work, the team will convert the facility's two-stage sludge thickening process to one stage and make other improvements to increase the overall solids capture and achieve a higher total solids concentration feed to the digesters at the plant, which has an average design capacity of 1,200 million gallons per day.

"Through this project, we will enable the Metropolitan Water Reclamation District to not only meet the needs of Chicago metropolitan area residents, but to do so in a way that ensures a sustainable level of service in the future," said Bill Webb, Executive Vice President of Earth Tech's Consulting & Engineering Division. "With these improvements, the Stickney Water Reclamation Plant will remain a first-rate treatment facility well into the future."

Earth Tech Inc. is a global provider of a full suite of engineering, construction and operations services to the international water/wastewater, environmental, transportation, and facilities markets. A business unit of Tyco International Ltd. and part of the company's Engineered Products & Services segment, Earth Tech employs some 8,000 talented people, delivering services to customers in 15 countries.

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