Severn Trent Services Provides Arsenic Removal Technology for Bernalillo County, New Mexico


Arsenic removal system, which features SORB 33® technology and Bayoxide® E33 media, has been proven commercially effective for more than a decade

FORT WASHINGTON, Pa. - March 10, 2006 -- The SORB 33® arsenic removal technology and Bayoxide® E33 arsenic removal media from Severn Trent Services have been selected for use by the Bernalillo County (N.M.) Public Works Department at a 450 gallon per minute water treatment facility, where total arsenic was measured at 15 parts per billion (ppb). The new treatment system will enable the County to reduce arsenic levels below the EPA arsenic standard for drinking water of 10 ppb.

The engineering consultant on the project is Wilson & Company of Albuquerque, N.M., which provides businesses and governments architectural, environmental planning, surveying and mapping services.

The SORB 33 process and technology developed by Severn Trent Services to reduce arsenic contamination has been commercially proven to effectively and economically meet the stringent government standard of 10 ppb across a range of water treatment applications. Bayoxide E33 is a dry, robust, ferric oxide media designed with a high capacity for arsenic, providing long operating cycles and low operating costs. Compared to competitive technologies, Bayoxide E33 offers the lowest capital cost while providing ease of operation and maintenance. The media has been permitted for use by health and environmental agencies in 18 states, more than any other arsenic removal technology.

About Severn Trent Services
Severn Trent Services (www.severntrentservices.com), based in Fort Washington, Pa., is a leading supplier of water and wastewater treatment solutions. The company's broad range of products and services is concentrated around disinfection, instrumentation, and filtration technologies, pipeline analysis, rehabilitation and repair services, contract operating services and state-of-the-art residential metering products and services. Our international management services business provides support in all aspects of water and wastewater utility operational development and business transformation. Severn Trent Services is a member of the Severn Trent Plc (London: SVT.L) group of companies. An international environmental services leader, Severn Trent is a FTSE 100 company.

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

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