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Severn Trent De Nora System Receives Bureau Veritas Process Attestation Certification for MEPC.159(55) Effluent Standards Taking Effect in January 2010



FORT WASHINGTON, Pa. - April 30, 2009 - The new OMNIPURE(TM) Series 55 marine sanitation system introduced by Severn Trent De Nora in March 2009 has received Bureau Veritas process attestation certification for IMO Resolution MEPC.159(55). The OMNIPURE Series 55 system has been specifically designed, manufactured and tested to comply with MEPC.159(55) effluent standards and performance tests for sewage treatment plants across a variety of offshore and marine installations. The MEPC.159(55) effluent standards, adopted by the International Maritime Organization's Marine Environment Protection Committee, apply to all sewage treatment systems installed on board on or after January 1, 2010.

The OMNIPURE Series 55 systems range in capacity up to 65 m3/day (17,000 gal/day) as individual units that can also be combined for increased capacity. The systems provide effective electrolytic treatment of both black and gray water through a patented and certified treatment process. Like other OMNIPURE products, the Series 55 systems produce a sodium hypochlorite disinfection solution from seawater in the presence of sewage to effectively treat all sewage.

The new OMNIPURE Series 55 system will be displayed at the Offshore Technology Conference, (May 4-7, 2009 at Reliant Park, Houston, Texas) at Severn Trent De Nora's booth 5423.

About Severn Trent De Nora, LLC

Severn Trent De Nora, LLC (www.severntrentdenora.com) is a joint venture offering a solid foundation to support marine and offshore industrial water disinfection needs by drawing upon the strength and global resources of Severn Trent Services, Fort Washington, Pa. (www.severntrentservices.com) and Gruppo De Nora, Milan, Italy (www.denora.it). Severn Trent De Nora offers the benefits of enhanced technical solutions and a greater range of services by combining the seawater disinfection capabilities of both companies. Severn Trent De Nora offers products to serve marine waste water treatment applications and the seawater disinfection needs for the following applications: power generation, desalination facilities, coastal industry, offshore oil and gas facilities, general marine, cruise vessel industry and navies worldwide.

About Bureau Veritas Group

Since its foundation in 1828, the Bureau Veritas Group has consistently built recognized expertise, helping clients comply with standards and regulations relating to Quality, Health & Safety, Environment and Social Responsibility. The Group's network of regional and local offices manages client relationship and delivers a comprehensive range of services including inspection, testing, auditing, certification, ship classification and related technical assistance, training and outsourcing. When appropriate, Bureau Veritas also provides advisory services. Large and small organizations, whether private or public, can rely on Bureau Veritas to support them in protecting their respective brands, assets and business; playing a key role in both risk management and performance improvement. Bureau Veritas deploys multidisciplinary skills from over 33,000 employees in 850 offices and laboratories worldwide.

CONTACT:
Lori Doppelt
+1 215-997-3727
ldoppelt@severntrentservices.com

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