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Describes the calibration and irradiation of x-ray and gamma-ray instruments in terms of the physical quantity exposure at NBS. The calibrations are listed in NBS Special Publication 250 as calibrations 46010C through 46050S (formerly 8.3A through 8.3M).--cf. Abstract (p.iv).
Explains the process for establishing calibration or correction factors for radiation detectors, charge sensitivity tests for high-gain electrometers, and irradiations of passive dosimeters. Calibrations are performed by comparing the instrument to a primary standard, which includes 4 free-air chambers for x-rays and cavity ionization chambers for ceseum-137 and cobalt-60 gamma rays. This document presents details of the design and use of these standards, as well as a description of the quality assurance checks. Appendices: Attix chamber schematics; history of the measurement of current; typical ionization chamber calibration report; typical TLD calibration report; and typical electrometer calibration report. Charts and tables.
This Safety Report provides guidance on the establishment and operation of calibration facilities for radiation monitoring instruments. It reflects the current internationally accepted principles and recommended practices in calibration procedures, taking account of the major changes and developments that have occurred over the past decade.
The Code of federal regulations is the codification of the general and permanent rules published in the Federal register by the executive departments and agencies of the federal government.
Special edition of the Federal register, containing a codification of documents of general applicability and future effect as of ... with ancillaries.