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More than 30 people were over-exposed to radiation when the starboard reactor cooling system failed and the reactor temp rose uncontrollably. Emergency repairs ordered by the captain successfully cooled the reactor and avoided meltdown, but exposed the workers to high levels of radiation. [17] 8 Radiation accident in Morocco: 1984 March
Criticality accidents are divided into one of two categories: Process accidents, where controls in place to prevent any criticality are breached;; Reactor accidents, which occur due to operator errors or other unintended events (e.g., during maintenance or fuel loading) in locations intended to achieve or approach criticality, such as nuclear power plants, nuclear reactors, and nuclear ...
During sea trials, the Soviet nuclear submarine K-27 (Project 645) suffered severe problems with its reactor cooling systems. After spending some time at reduced power, reactor output inexplicably dropped and sensors detected an increase of gamma radiation in the reactor compartment to 150 rad/h. The safety buffer tank released radioactive ...
Erosion of the 150-millimetre-thick (5.9 in) carbon steel reactor head at Davis-Besse Nuclear Power Plant, in Oak Harbor, Ohio, USA, in 2002, caused by a persistent leak of borated water The Hanford Site, in Benton County, Washington, USA, represents two-thirds of America's high-level radioactive waste by volume.
A radiation alarm was transmitted only after a chemical officer and a doctor requested it. K-27 resurfaced and returned from training area to its home base using the starboard reactor. The submarine was placed at pier in Severomorsk and a depot ship continuously piped steam to the submarine to avoid cooling of heat-transfer metal in the reactor ...
K-431 (Russian: К-431; originally the K-31) was a Soviet nuclear-powered submarine that had a reactor accident on 10 August 1985. [1] It was commissioned on 30 September 1965. The 1985 explosion occurred during refueling of the submarine at Chazhma Bay, Dunay, Vladivostok. [2] There were ten fatalities and 49 other people suffered radiation ...
Off-site radiological risk may be found in the form of flooding. Many citizens in the surrounding areas have been deemed at risk of exposure to radiation due to the Chernobyl reactor's proximity to floodplains. A study was conducted in 1996 to see how far the radioactive effects were felt across eastern Europe.
K-116 (Echo II) suffered a reactor accident (a leak of core coolant from the port reactor) in the Bay of Vladimir, Sea of Japan. Some of the crew received a large dose of radiation, but there were no fatalities. 21 August 1980 K-122 (Echo I) had a fire in compartment VII (turbo-electric) when 85 miles (137 km) to the east of Okinawa. Fourteen ...