The nuclei (fission fragments) formed by the fission of heavy elements, plus the nuclide formed by the fission fragments' radioactive decay.
The total amount of electric energy produced by a generating station as measured at the generator terminals.
An electromagnetic device that converts mechanical (rotational) energy into electrical energy. Most large electrical generators are driven by steam or water turbine systems.
An evaluation that considers the plant as a whole rather than system by system.
From the Latin for "in glass," isolated from the living organism and artificially maintained, as in a test tube.
The energy that a body possesses by virtue of its mass and velocity. Also called the energy of motion.
A building at a nuclear power plant, which is frequently located adjacent to the reactor containment structure, and houses most of the auxiliary and safety systems associated with the reactor, such as radioactive waste systems, chemical and volume control systems, and emergen...
Reports are issued periodically to document inspection findings. These may cover a specific time period for the baseline inspection or a particular event or problem examined in a reactive inspection. All inspection reports are public documents and, when issued, are posted to ...
A reaction in which at least one heavier, more stable nucleus is produced from two lighter, less stable nuclei. Reactions of this type are responsible for enormous release of energy, such as the energy given off by stars.
A unit of power equivalent to one million watts.
High-energy, short-wavelength, electromagnetic radiation emitted from the nucleus of an atom. Gamma radiation frequently accompanies emissions of alpha particles and beta particles, and always accompanies fission. Gamma rays are similar to x-rays, but are very penetrating and...
Consistent with the principles of "determinism," which hold that specific causes completely and certainly determine effects of all sorts. As applied in nuclear technology, it generally deals with evaluating the safety of a nuclear power plant in terms of the consequences of a...
A measure of the biological damage to living tissue as a result of radiation exposure. Also known as the " biological dose," the dose equivalent is calculated as the product of absorbed dose in tissue multiplied by a quality factor and then sometimes multiplied by other neces...
An automated event tracking system used internally by the NRC's Headquarters Operations Center to track incoming notifications of significant nuclear events with an actual or potential effect on the health and safety of the public and the environment. Significant events are r...
The time required for the activity of a particular radioisotope deposited in a living organism, such as a human or an animal, to be reduced by 50 percent as a result of the combined action of radioactive decay and biological elimination. Effective half-life is related to, but ...
Sets of plant conditions that indicate various levels of risk to the public and that might require response by an offsite emergency response organization to protect citizens near the site. The four emergency classification levels used for commercial nuclear power plants, in as...
ASR is a chemical combining of reactive silica from the concrete aggregate with the alkali from the cement paste in the presence of moisture. The result of the reaction is a gel, which can expand and may cause micro-cracks in the concrete.
refers to sealed sources of radioactive material contained in a small volume (but not radioactively contaminated soils and bulk metals) in any one or more of the following conditions (taken from the NRC Orphan Source Initiative):In an uncontrolled condition that requires remo...
DBHYDRO (Environmental Data)http://www.sfwmd.gov/portal/page/portal/xweb%20environmental%20monitoring/dbhydro%20application[10/25/2012 9:01:18 AM]Home >> Scientists and Engineers >> Environmental Monitoring >> DBHYDRO (ENVIRONMENTAL DATA)DBHYDRO Browser MenuUser's Guide [PDF]G...
TOC-1/2STP 3 & 4 Emergency Plan5.0 Table of Contents5.1-A Introduction........................................................................................................ A-15.1-B Assignment of Responsibility ..................................................................
EIA-An Updated Annual Energy Outlook 2009 Reference Case Reflecting Provisions of the American Recovery and Reinvestment Act and Recent Changes in the E...http://www.eia.doe.gov/oiaf/servicerpt/stimulus/index.html[2/10/2010 1:45:50 PM]Home > Forecasts & Analysis > Response to ...
T1. Population Estimates [9] Data Set: 2006 Population Estimates Note: For information on errors stemming from model error, sampling error, and nonsampling error, see: http://www.census.gov/popest/topics/methodology. Washington city, District of Columbia Total Populat...
17. Quality Assurance AP1000 Design Control Document Tier 2 Material i Revision 18 TABLE OF CONTENTS Section Title Page CHAPTER 17 QUALITY ASSURANCE ............................................................................................. 17-1 17.1 Quality Assurance D...
Home | About CDC | Press Room | A-Z Index | Contact UsCDC en EspañolSearch: National Program of Cancer Registries (NPCR) (Table 2.1.1.1MF) All Cancer Sites Combined. Age-Adjusted Invasive Cancer Incidence Rates and 95% Confidence Intervals by U.S. Census Region and Div...