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TerraTherm, Inc. and Gas Technology Institute Agreement Paves Way for Speedy, Permanent Cleanup of Manufactured Gas Sites (MGP), Eliminates Coal Tar Migration

Fitchburg, MA, Friday, September 19, 2008- TerraTherm, Inc., a leading provider of in situ thermal remediation services and Gas Technology Institute (GTI), the leading research, development and training organization serving the natural gas industry and energy markets, today announced that they intend to partner to provide a uniquely effective and attractive remediation package to owners of the estimated 7000 worldwide MGP sites.

The combination of TerraTherm's proprietary remediation technologies and GTI's patented Thermochemical Solidification (TCS) technology is expected to prove highly cost-effective in MGP gasholder cleanup, and permanently prevent coal tar migration without excavation. Negotiations are underway to establish TerraTherm as the exclusive licensee of the TCS technology.

TCS, specifically designed for MGP sites, will leverage TerraTherm's Thermal Conduction Heating technology to remove organic components of the contaminants, then permanently solidify remaining coal tar in place, forming an immobile, stable substance similar to asphalt pavement. "Use of TCS stops liquid coal tar from migrating beyond property boundaries or contaminating public water supplies. This is an issue that is critically important to the owners of the sites and a major public health issue confronting communities. In developing TCS, GTI has engineered a simple and effective way to eliminate the risks of contaminant migration, reduce liability and return many of these potentially valuable urban properties to the positive side of the balance sheet. We are delighted to partner with them to bring this technology and service package to market," says Dr. Ralph Baker, CEO of TerraTherm.

Baker's observations about the value of this remediation market are reinforced by the significant scope of the MGP pollution problem, and the urban location of the former manufactured gas plants. An estimated 7000 MGP plants dot the landscape of North America, the UK, Continental Europe and Japan. Built long ago on the outskirts of towns and cities, these locations are now in today's urban core. In situ remediation is a far more attractive option than excavation because these plants often lie in close proximity to, and sometimes underlie, infrastructure, commercial buildings and residential areas.

"We're very excited about this agreement because it represents the potential for a high level of synergy between the two organizations," observes Quinton Ford Director, Commercialization for the Gas Technology Institute. "GTI's years of R&D experience and our focus give us a unique understanding of the needs of the utility industry and of MGP remediation. TerraTherm brings extensive field experience and know-how in cleaning up hazardous wastes using in situ techniques. They also have the equipment and proven field teams to deliver the TCS technology in a cost-effective manner. This combination will allow delivery of consistent, predictable results that the utility industry demands," adds Ford.

Details on the MGP Remediation Services Package will be discussed at the upcoming MGP USA 2008 Third International Symposium and Exhibition on the Redevelopment of Manufactured Gas Plant Sites, held in Mystic Connecticut, September 23 - 28, 2008.

About TerraTherm

TerraTherm is a worldwide leader in the development and implementation of in-situ thermal remediation of hazardous waste. We advise on, design, build and operate thermal remediation projects from concept to closure. We offer the broadest array of thermal remediation technologies in the industry, allowing us to tailor project designs to specific site conditions, using the optimal combination of methods, without bias towards any single technology or approach.

TerraTherm partners with leading engineering firms, government agencies, corporations and property owners in flexible, cooperative relationships to achieve cleanup goals. Our expertise, broad set of proven technologies and seasoned staff combine to provide the most effective cleanup available for a broad array of contaminants within all soils and site conditions. Media contact Devon Tarmasiewicz <devont@terratherm.com>

About GTI

GTI is a leading research, development and training organization that has been addressing the nation's energy and environmental challenges by developing technology-based solutions for consumers, industry, and government for more than 65 years.

Media contact publicrelations@gastechnology.org

About TerraTherm

TerraTherm, Inc. is a worldwide leader in the development and implementation of in situ thermal remediation of source zones and hazardous waste. We design, build and operate projects from concept to closure, using Thermal Conduction Heating (TCH), Steam Enhanced Extraction (SEE) and Electrical Resistance Heating (ERH). With offices in Fitchburg, MA, Keene, CA, and Atlanta, GA, and licensees such as Kruger A/S (Denmark and Sweden), AIG Engineering, Ltd. (UK), and SheGoTec (Japan), we offer services worldwide. For more information, visit www.terratherm.com.

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