Samarium 147 dating
means health effects, the severity of which varies with the dose and for which a threshold is believed to exist. 20.1009 Information collection requirements: OMB approval. 20.1705 Application for use of higher assigned protection factors. Category 2 nationally tracked sources are those containing radioactive material at a quantity equal to or greater than the Category 2 threshold but less than the Category 1 threshold.
20.1202 Compliance with requirements for summation of external and internal doses. 20.1302 Compliance with dose limits for individual members of the public. 20.1402 Radiological criteria for unrestricted use. 20.1403 Criteria for license termination under restricted conditions. 20.1701 Use of process or other engineering controls. 20.1703 Use of individual respiratory protection equipment. It does not mean material encapsulated solely for disposal, or nuclear material contained in any fuel assembly, subassembly, fuel rod, or fuel pellet. means to remove a facility or site safely from service and reduce residual radioactivity to a level that permits— (1) Release of the property for unrestricted use and termination of the license; or (2) Release of the property under restricted conditions and termination of the license. means a quantitative estimate of the fit of a particular respirator to a specific individual, and typically estimates the ratio of the concentration of a substance in ambient air to its concentration inside the respirator when worn. The declaration remains in effect until the declared pregnant woman withdraws the declaration in writing or is no longer pregnant. means a negative pressure particulate respirator with a filter as an integral part of the facepiece or with the entire facepiece composed of the filtering medium, not equipped with elastomeric sealing surfaces and adjustable straps. means any executive department, commission, independent establishment, corporation wholly or partly owned by the United States of America, which is an instrumentality of the United States, or any board, bureau, division, service, office, officer, authority, administration, or other establishment in the executive branch of the Government.