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"Bruce Power is investigating what caused a "small spill" of radioactive heavy water, which forced workers to evacuate Unit 6 about 3 a.m. Monday. Workers were conducting maintenance at that Bruce B reactor, which has been down for planned service and inspections since May 14, when a spill occurred, Bruce Power reported in a news release Monday. An alarm sounded after the equivalent of a "barrel" of the reactor moderator water spilled, Bruce Power spokesman John Peevers said in an interview Tuesday. The spill occurred "as part of" maintenance activities according to a news release posted to Bruce Power's website. "The spill was immediately isolated and routed to a collection tank," the release said. All workers were allowed to return a few hours later, Peevers added. "

Workers at the Vermont Yankee nuclear plant contained a small spill of fuel oil Monday morning, the second oil spill in the past couple of weeks. Vermont Yankee, the state's largest generator of electricity, actually heats the plant with boilers fired by fuel oil, according to Robert Williams, spokesman for Entergy Nuclear. Williams said the spill of 5 gallons of fuel oil on pavement was immediately contained and cleaned up by the company's spill response team. He said the spill was the result of a simple mistake of failing to hook up the delivery hoses correctly.

CH2M Hill Hanford Group will spend $30,800 to resolve a new fine issued by the Environmental Protection Agency against the Department of Energy and its contractor for delays in notification of a radioactive tank waste spill last summer. EPA announced the fine Monday, just four days after DOE fined CH2M Hill $302,500 for nuclear safety violations related to the spill. Including a settlement of an earlier fine imposed by the state of Washington and pay withheld by DOE, the spill has cost CH2M Hill almost $1.2 million.

The Multicultural Alliance for a Safe Environment, a coalition of community groups affected by uranium mining and committed to renewable energy development, announces the 30th anniversary commemoration of the Church Rock uranium tailings spill on July 16. The purposes of the event are to remember and honor the Dine communities that were affected by the largest release of radioactive waste in U.S. history, and to reaffirm the Navajo Nation's ban on uranium mining and processing, as set forth in the Dine Natural Resources Protection Act of 2005. A prayer walk will be held on State Route 566 from Red Water Pond Road next to the Northeast Church Rock Mine to the site of the spill across from the United Nuclear Corp. mill site and ending at the King Family Ranch on Old Churchrock Mine Road at SR 566 - a distance of about five miles. Prayers for healing will offered at the start of the walk and at the spill site. The walk will end at the King Ranch with a press conference where Navajo Nation elected officials will reaffirm the Navajo Nation ban on uranium mining.

The state ordered Exelon Corp. to dig new, deeper wells Friday in response to a spill of radioactive material last year that seeped into groundwater beneath the Oyster Creek Generating Station. The Department of Environmental Protection told the company to drill eight new monitoring wells in the Cohansey Aquifer, where the radioactive isotope tritium was detected in levels 50 times higher than what is considered safe for drinking water. About 180,000 gallons of tritium-contaminated water spilled from a leaky pipe at the nuclear plant April 9, 2009. The state invoked the Spill Act last month, giving it discretion over the cleanup. The state also directed Exelon to drill a monitoring well into the deeper Kirkwood Aquifer below the Cohansey to determine whether the contamination has seeped into that underground reservoir as well."

A radioactive spill has occurred at the aging Chalk River nuclear reactor west of the capital after the facility was recently cranked up to double its normal output of medical isotopes, used in diagnosing and treating cancer, Sun Media has learned. The reactor is supplying up to 70% of the world's medical isotopes, and a shutdown could leave millions of cancer and heart patients in Canada and around the globe without critical treatments. But the radioactive spill and another ongoing leak at the reactor are bound to spark renewed controversy over the safety of the nuclear facility built in 1958. An internal report to federal nuclear regulators shows radioactive tritium was released into the air during the incident at the Chalk River reactor on Dec. 5.

Radioactive liquid spilled into a river during maintenance work on a nuclear submarine, the Ministry of Defence has confirmed. The Royal Navy said up to 280 litres (62 gallons) of contaminated water spilled from a ruptured hose as it was used to pump out coolant from HMS Trafalgar at the Devonport Naval Base in Plymouth. The incident happened shortly after midnight on Friday and the contaminated liquid spilled into the River Tamar. An MoD spokesman said: "During a standard operation to transfer primary coolant from HMS Trafalgar to an effluent tank on the jetty, a hose ruptured, resulting in a leak of the coolant. A maximum of 280 litres of coolant were discharged from the hose on to the submarine casing, jetty and into the river Tamar.

A plutonium spill at the Boulder campus of the National Institute of Standards and Technology has generated numerous concerns among U.S. Nuclear Regulatory Commission staff, an NRC official testified today in Washington. Among them, said Charles Miller, are the amount of radiation individuals were exposed to as a result of the spill; the amount of radioactive materials released into the Boulder sewer system; and procedures at NIST's Boulder facility, particularly those related to the handling and storage of radioactive material.

An MU researcher accidentally tracked phosphorus from a lab to a few areas across campus. An unidentified lab researcher accidentally spilled phosphorus-32, a radioactive isotope, at a Schlundt Annex laboratory. The researcher then walked outside, unaware that the chemical spilled onto his or her shoes. Without traveling too far, the researcher realized something was wrong. "(The worker) called the Environmental Health and Safety Department," MU spokesman Christian Basi said. "They responded right a

An MU researcher accidentally tracked phosphorus from a lab to a few areas across campus. An unidentified lab researcher accidentally spilled phosphorus-32, a radioactive isotope, at a Schlundt Annex laboratory. The researcher then walked outside, unaware that the chemical spilled onto his or her shoes. Without traveling too far, the researcher realized something was wrong. "(The worker) called the Environmental Health and Safety Department," MU spokesman Christian Basi said. "They responded right a

"The lesson from Deepwater Horizon isn't that oil is bad and nuclear is good, says Mark Gimein in Slate, it's that, despite our best efforts, accidents happen Slate's Mark Gimein says the BP oil disaster demonstrates why we need to end our pursuit of nuclear power. On first glance, the BP oil spill seems like a good reason to push for more nuclear power, says Mark Gimein at Slate's The Big Money. Nuclear doesn't pollute the air, and it certainly doesn't "turn our beaches black." But, when you look deeper, the real lesson from the BP disaster is that "things go wrong, in unexpected ways, at unexpected times, to catastrophic effect," no matter how many levels of "failsafe" mechanisms we install. Which is why this disaster is a compelling argument against nuclear power. Imagine if Deepwater Horizon had been a nuclear reactor. Here, an excerpt:"

Lockheed Martin Corp. has acknowledged it installed the wrong pipe in a water treatment system that leaked Aug. 3, spilling more than 5,000 gallons of contaminated water. Moreover, the spill penetrated soil up to 30 feet away from the treatment system used to clean toxic groundwater from the source of the Tallevast plume, according to an incident report Lockheed filed as required with state regulators on Friday.

The June 9 spill of plutonium at the National Institute of Standards and Technology in Boulder has been widely covered by the news media. The tale mainly has been a buildup of damning detail, capped by the Nuclear Regulatory Commission's July 2 suspension of NIST's license to handle radioactive materials until NIST improves its procedures.

An emergency at the Oak Ridge National Laboratory after a release this morning of nitric acid - a corrosive material that can cause severe burns - is moving into cleanup stage, officials said. Advertisement "A hazardous materials team is planning to enter the facility to clean up the spill," according to a U.S. Department of Energy emailed statement. The accident took place while a truck was filling a tank with nitric acid, and it overflowed. The building where the spill happened is a waste facility operated by the Bechtel Jacobs Co. Four people were evacuated from the building. No injuries have been reported at this time.

TVA is scaling back plans for new reactors at its Bellefonte Nuclear Plant in northeast Alabama as it moves forward with building a natural-gas-powered generator adjacent to a coal-fired steam plant near Rogersville, Tenn. Advertisement The Bellefonte plant, picked three years ago as a possible site for America's next reactor and once eyed for up to four reactors, is now being studied for a single reactor to be built within the next decade. TVA announced Friday that falling power sales and rising cleanup costs at the Kingston ash spill have changed plans for the nuclear plant in Hollywood, Ala. "As the valley grows, TVA intends to meet the demand for power with a combination of conservation, energy efficiency, renewable energy sources and additional base load generation," TVA Senior Vice President Ashok Bhatnagar said.

TVA is scaling back plans for new reactors at its Bellefonte Nuclear Plant in northeast Alabama as it moves forward with building a natural-gas-powered generator adjacent to a coal-fired steam plant near Rogersville, Tenn. Advertisement The Bellefonte plant, picked three years ago as a possible site for America's next reactor and once eyed for up to four reactors, is now being studied for a single reactor to be built within the next decade. TVA announced Friday that falling power sales and rising cleanup costs at the Kingston ash spill have changed plans for the nuclear plant in Hollywood, Ala. "As the valley grows, TVA intends to meet the demand for power with a combination of conservation, energy efficiency, renewable energy sources and additional base load generation," TVA Senior Vice President Ashok Bhatnagar said.

TVA is scaling back plans for new reactors at its Bellefonte Nuclear Plant in northeast Alabama as it moves forward with building a natural-gas-powered generator adjacent to a coal-fired steam plant near Rogersville, Tenn. Advertisement The Bellefonte plant, picked three years ago as a possible site for America's next reactor and once eyed for up to four reactors, is now being studied for a single reactor to be built within the next decade. TVA announced Friday that falling power sales and rising cleanup costs at the Kingston ash spill have changed plans for the nuclear plant in Hollywood, Ala. "As the valley grows, TVA intends to meet the demand for power with a combination of conservation, energy efficiency, renewable energy sources and additional base load generation," TVA Senior Vice President Ashok Bhatnagar said.

The leader of the Navajo Nation marked the 30th anniversary of a massive uranium tailings spill by reaffirming the tribe's ban on future uranium mining. Speaking in Navajo and English, President Joe Shirley Jr. addressed about 100 people who made a seven-mile walk to the site of the July 16, 1979 spill and to the land of Navajo ranchers who live near another contaminated site. What Shirley called "the largest peacetime accidental release of radioactive contaminated materials in the history of the United States" occurred when 94 million gallons of acidic water poured into the north fork of the Rio Puerco after an earthen uranium tailings dam failed. Within days, contaminated tailings liquid was found 50 miles downstream in Arizona.

Sources of cobalt-60 came loose at truck terminal A spokesman with the Tennessee Emergency Management Agency said Tuesday there was no spill of radioactive material at the Yellow Freight Roadway trucking terminal in West Knoxville, although he said the shielded sources of radioactive cobalt-60 did come loose from their transportation crate. "There were no leaks," said Jeremy Heidt of TEMA. He emphasized there was never a threat to public health or workers.

"Federal regulators are at a South Carolina nuclear fuel plant investigating a spill of wastewater containing uranium. The Nuclear Regulatory Commission said Monday a team had arrived at the Westinghouse Electric Co. plant near Columbia. The NRC says about 200 gallons of wastewater containing ammonia and uranium spilled Jan. 24 after a pump failed. No workers were injured or needed medical attention. The team is examining Westinghouse's response and will issue a report in about a month. Westinghouse's 550,000-square-foot plant near the Congaree River makes fuel rods for nuclear power stations across the country. "

Investigation into why Darlington workers were filling wrong tank CLARINGTON -- Workers at the Darlington nuclear station filled the wrong tank with a cocktail of water and a radioactive isotope Monday, spilling more than 200,000 litres into Lake Ontario. Ontario Power Generation is investigating how the accident happened and officials say hourly tests of the lake water show that the level of tritium - the radioactive isotope of hydrogen - poses no harm to nearby residents.

Investigation into why Darlington workers were filling wrong tank CLARINGTON -- Workers at the Darlington nuclear station filled the wrong tank with a cocktail of water and a radioactive isotope Monday, spilling more than 200,000 litres into Lake Ontario. Ontario Power Generation is investigating how the accident happened and officials say hourly tests of the lake water show that the level of tritium - the radioactive isotope of hydrogen - poses no harm to nearby residents.

"The "American Power Act", the Kerry/Lieberman energy bill, was drafted to offer a lot of encouragement for offshore drilling. But then the Deepwater Horizon oil rig collapsed in the Gulf of Mexico and reminded everybody that, though drilling rig collapses are extraordinarily rare, they make a disastrous mess when they happen. The incentives to drill were kept, but the legislation was quickly amended to give states veto power over offshore drilling within 75 miles of shore. Why is that offered as a compromise? Does it make any less likely offshore oil rigs might collapse? Of course not. And it only marginally reduces the risk of onshore damage should a spill occur, since whether the oil comes ashore is a matter more of tides and currents and wind and rate of release than proximity. So why does giving states veto power somehow make the risk of offshore drilling seem different? "

A truck carrying uranium mill tailings from a Moab cleanup project headed by EnergySolutions tipped over and spilled some of the radioactive dirt last Wednesday. The multimillion-dollar cleanup project directed at properly disposing of the 16 million tons of uranium tailings was suspended until Tuesday for a safety evaluation, EnergySolutions spokesman Mark Walker said. "Safety is always our first priority," Walker said. "It's a self-imposed shutdown." EnergySolutions, which was awarded the project nearly 18 months ago to haul the tailings 30 miles north of Moab, had been carting dirt up a haul road at the site Wednesday evening when the driver came too close to the shoulder and the truck tipped over, Walker said.

A truck carrying uranium mill tailings from a Moab cleanup project headed by EnergySolutions tipped over and spilled some of the radioactive dirt last Wednesday. The multimillion-dollar cleanup project directed at properly disposing of the 16 million tons of uranium tailings was suspended until Tuesday for a safety evaluation, EnergySolutions spokesman Mark Walker said. "Safety is always our first priority," Walker said. "It's a self-imposed shutdown." EnergySolutions, which was awarded the project nearly 18 months ago to haul the tailings 30 miles north of Moab, had been carting dirt up a haul road at the site Wednesday evening when the driver came too close to the shoulder and the truck tipped over, Walker said.