Illinois Sues Exelon for Radioactive Tritium Releases Since 1996
CHICAGO, Illinois, March 21, 2006 (ENS) - Exelon's Braidwood nuclear power plant in Illinois has released millions of gallons of wastewater containing radioactive tritium into the groundwater around the plant since 1996, a lawsuit filed Thursday by the state of Illinois against the plant's owner and operators alleges. The releases were not reported to authorities until December 2005.
Illinois Attorney General Lisa Madigan and Will County State’s Attorney James Glasgow are suing Exelon Corporation, a Pennsylvania corporation based in Chicago; Commonwealth Edison Company (ComEd), an Illinois corporation; and Exelon Generation Corporation, LLC, of Kennett Square, Pennsylvania for releasing the radioactive wastewater.
“The method of operations put in place at the Braidwood Nuclear Plant since 1996 by Commonwealth Edison and their parent company as of 2000, Exelon, clearly placed their profit margin first with a callous disregard for the health, safety and welfare of the local residents," Glasgow said.
"Exelon was well aware that tritium increases the risk of cancer, miscarriages and birth defects and yet they made a conscious decision not to notify the public of their risk of exposure,” he said.
Exelon Generation and ComEd produce and distribute nuclear power for their parent, Exelon Corporation. Com Ed was the owner and operator of the Braidwood station until 2000, when Exelon took over.
The releases are alleged to have occurred as early as 1996 and as recently as March 13, 2006.
The plant is located in Will County, and groundwater under the village of Godley, located southwest of the nuclear plant, and the village of Braidwood, about two miles north, are affected, the lawsuit claims.
Exelon Nuclear will provide bottled water to about 420 residences closest to Braidwood, including the village of Godley, during the period that drinking water wells at those homes are being tested for the presence of tritium, the company announced Monday.
Operations at the Braidwood nuclear plant generate tritium, a radioactive isotope of hydrogen that can replace non-radioactive hydrogen atoms in ordinary water to form tritiated water. Small amounts of tritium are commonly found in most surface water, while higher concentrations are found in water used by nuclear power plants.
According to Madigan’s and Glasgow’s suit, Exelon released tritiated water at eight separate locations on the defendants' property.
Three distinct releases occurred in 1996, 1998 and 2000, and three other releases occurred at unknown times, from the facility’s blowdown line, an underground pipe that carries wastewater, including tritiated water, about four and one-half miles from the power plant directly to the Kankakee River.
An additional release occurred at an unknown time in the area near and to the west of the station and an eighth release occurred March 13 near the tritiated water temporary storage area at the plant.
Braidwood’s blowdown line is located on property owned by the defendants, but runs adjacent to private and public property, including a forest preserve and nature area.
The suit seeks the maximum civil penalty of $50,000 for the water pollution violation and an additional $10,000 for each day the violations continue. Madigan and Glasgow also seek the maximum civil penalties for additional allegations that include exceeding groundwater standards.
The lawsuit names ComEd in two counts for allegedly violating its National Pollutant Discharge Elimination System (NPDES) permit by not reporting until December 2005 the alleged leaks that took place in 1996, 1998 and 2000. Such incidents must be reported to state and federal authorities within 24 hours.
The complaint also names ComEd for its alleged failure to contain and remove the tritiated water from the areas impacted by the 1996 and 1998 leaks. Each of these counts seeks a maximum civil penalty of $10,000 per violation and an additional $10,000 for each day the violations continue.
The Illinois Environmental Protection Agency (IEPA) first became aware of the potential for tritium contamination in groundwater after being notified by members of the public in the fall of 2004 of a spill that occurred at Exelon's Dresden nuclear power plant, when tritium was detected in some on-site monitoring wells. Then in December 2005, Exelon notified the IEPA of the releases at Braidwood.
“Since the IEPA learned in late 2005 about the tritium releases from Exelon, we have been aggressively investigating the nature and extent of the groundwater problems,” said IEPA Director Doug Scott. “We have also made every effort to respond to public concerns and we will continue to be involved as long as there is need.”
The IEPA investigated the case and referred it to Madigan’s office in March 2006 after samples taken by the defendants in December 2005 indicated elevated levels of tritium contained in the groundwater at various locations outside the property boundary of the nuclear plant, including a private well allegedly contaminated by the 1998 release.
Madigan’s and Glasgow’s lawsuit alleges that the eight leaks contributed to water pollution and that six of the releases were the result of inadequate maintenance and operation of vacuum breakers along the blowdown line.
Vacuum breakers allow air into the line to prevent the formation of a vacuum within the pipe. In alleging water pollution in their lawsuit, Madigan and Glasgow alleged that tritiated water entered the vacuum breaker housing and flowed into the groundwater and upward through a manhole onto the surrounding land.
“When releases occur, it is absolutely critical that all parties, including state and local officials, employees and those who live in the surrounding area, are notified as soon as possible,” Madigan said. “The potential hazards associated with the nuclear industry demand such a response.”
Timeline for the Alleged Leaks of Tritiated Water:
In addition, as a result of the leaks from VB3 in 1998 and VB2 in 2000, a plume of tritiated water is present near the vacuum breakers and has extended through the groundwater to the north through a surface pond and into groundwater north and west of the Braidwood property.
The lawsuit alleges that all of the defendants also discharged non-radioactive contaminants such as sewage without a state National Pollutant Discharge Elimination System (NPDES) permit into surface and groundwater off site.
The complaint further alleges that tritiated water was released on March 13, from a containment area surrounding a number of tanks the defendants are using to store tritiated water, causing a threat to groundwater. Because of the problems with their equipment that caused the earlier leaks, the defendants currently are storing the tritiated water in these tanks instead of discharging the water into the Kankakee River.
Finally, the complaint alleges that the defendants created and maintained a public nuisance through the releases and the other alleged non-compliance.
The lawsuit seeks an injunction ordering the defendants to:
“This lawsuit is critical to enjoin Exelon from releasing any additional tritium into the groundwater and to mandate an effective remediation of the serious damage that has already been done,” said Glasgow.
In response to a request by the Illinois Attorney General and the IEPA, Exelon Corporation will test private wells in Godley and at residences close to the Braidwood Generating Station for the presence of tritium above naturally occurring levels. The Illinois Department of Public Health will verify test results and send a confirmation letter to residents.
Exelon will continue the bottled water program until wells are confirmed to have no detectable tritium, which is the company expects will take up to 12 weeks.
“We have no reason to believe any detectable tritium exists in those residence wells, nor do we suspect it,” said Keith Polson, site vice president at Braidwood Generating Station “But at the same time, we want to ensure our neighbors’ peace of mind until we can demonstrate it scientifically.”
Exelon officials say the company has already conducted extensive testing of groundwater near the Braidwood Station to determine the scope of tritium contamination. Company officials do not believe the new testing will show any additional contamination.
“We are happy to work with state officials to provide more data about the tritium issue,” Polson said. “We know, through our extensive testing, that we have identified all of the groundwater locations affected by tritium."
Under the testing and bottled water program, private wells at about 420 residences in Godley; within 1,500 feet of the discharge pipe; and within 1,500 feet of identified areas of elevated tritium will be tested or re-tested for tritium.
A map of the area included in the program is online at: www.braidwoodtritium.info.
Last month, during a public meeting called by Will County government officials, a county health official told residents that if they are concerned about their water, they should drink and cook with bottled water, which the county would provide. Exelon is now taking on the cost and management of the bottled water program.
Exelon also has publicly committed financial support to help Godley residents establish a new public water source. Details of that program are to be announced soon.
The Nuclear Regulatory Commission Monday announced the establishment of a new task force to investigate tritium leaks at nuclear power plants across the country.
For example, at the Indian Point nuclear power plant in Buchanan, New York, releases of tritium through a crack in the spent fuel pool concrete support wall may have been the cause of the elevated levels of tritium in groundwater in the area immediately surrounding the plant's spent fuel pool, the Commission said. Indian Point is owned by Entergy Nuclear Northeast.
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