ANSI N42.37-2006 pdf download American National Standard for Training Requirements for Homeland Security Purposes Using Radiation Detection Instrumentation for Interdiction and Prevention
3. 3.1 Definitions and acronyms Definitions The following definitions apply for this standard. These definitions include some of those for ANSI N42.32, ANSI N42.33, ANSI N42.34, and ANSI N42.35 that have been developed at the request of the U.S. Department of Homeland Security (DHS) for instruments to be used by DHS and emergency responders. Some new definitions have been added specifically for this standard.
3.1.1 ABHP Certification: Certification by the American Board of Health Physics in the comprehensive practice of health physics or radiation safety and radiation protection.
3.1.2 accuracy: The degree of agreement between the observed value and the known value of the quantity being measured.
3.1.3 adjust: To alter the reading of an instrument by means of a built-in variable (hardware or software) control.
3.1.4 alarm: An audible, visual, or other signal that is activated when the instrument reading or response exceeds a preset value or falls outside of a preset range. NOTE—Also see false alarm and real alarm.
3.1.5 alarm categories: False, innocent or nuisance and real or legitimate.
3.1.6 calibrate: To adjust and/or determine the response or reading of a device relative to a series of known values.
3.1.7 calibration: A set of operations under specified conditions that establishes the relationship between values indicated by a measuring instrument or measuring system, and the known values of the quantity or variable being measured.
3.1.8 check source: A radioactive source that is used to verify the proper functionality of an instrument.
3.1.9 decade: A range of values for which the upper value is a power of ten above the lower value.
3.1.10 detection limits: The extremes of detection or quantification for the radiation of interest. NOTE—The lower detection limit is the minimum statistically quantifiable instrument response or reading. The upper detection limit is the maximum level at which the instrument meets the required accuracy. 7
3.1.11 detector: A device or component designed to produce a quantifiable response to ionizing radiation normally measured electronically.
3.1.12 dose: The measured dose (exposure) rate multiplied by the exposure time.
ANSI N42.37-2006 pdf download
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