American Ecology Subsidiary Receives $1.2 Million Order From Dominion; Oak Ridge, Tenn. Facility to Decontaminate and Rebuild Nuclear Power Plant Motor.

Business Editors

BOISE, Idaho--(BUSINESS WIRE)--July 11, 2000

Zaki Naser, executive vice president and operations manager at American Ecology Corporation (Nasdaq:ECOL), today announced that Dominion (NYSE:D) has authorized American Ecology's Nuclear Equipment Service Center to decontaminate and rebuild a large motor from its Surry power generating station.

The $1.2 million job is part of planned operational maintenance for the large, 6,000 horsepower electrical motors used to circulate cooling water inside nuclear power generation facilities.

"This is the third of seven motors to be refurbished under a five-year, $5.9 million contract with Dominion," Naser stated. "We appreciate the confidence this important customer places in US Ecology's unique technical capabilities," Naser added. American Ecology also provides low-level radioactive waste processing and volume reduction services to Dominion and other electric service providers across the nation through its US Ecology subsidiary in Oak Ridge, Tennessee.

American Ecology Corporation, through its subsidiaries, provides radioactive, PCB, hazardous and non-hazardous waste services to commercial and government customers throughout the United States, such as nuclear power plants, medical and academic institutions and petro-chemical facilities. The company provides scientific solutions that protect people and the environment from radioactive and hazardous materials. Headquartered in Boise, Idaho, the Company is the oldest radioactive and hazardous waste services company in the United States.

Dominion is the nation's largest fully integrated natural gas and electric company, providing energy to more than 4 million customers in five states. For more information on Dominion, visit the company on the Internet at www.dom.com.

This press release contains certain forward-looking information and statements. Actual results and future contract amounts may differ materially from what is expressed in these forward-looking statements and there can be no assurance given that the Company will receive the discussed contract awards or secure additional contracts. American Ecology has no duty or obligation to update any forward-looking statement made herein. Please refer to American Ecology Corporation's most recent quarterly and annual reports filed with the Securities and Exchange Commission.