文档介绍：Designation: E 1005 – 03
Standard Test Method for
Application and Analysis of Radiometric Monitors for
Reactor Vessel Surveillance, E 706(IIIA)1
This standard is issued under the fixed designation E 1005; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope The use of benchmark neutron fields for calibration of
This method describes general procedures for measuring RMs can reduce significantly or eliminate systematic errors
the specific activities of radioactive nuclides produced in since many parameters, and their respective uncertainties,
radiometric monitors (RMs) by nuclear reactions induced required for calculation of absolute reaction rates mon
during surveillance exposures for reactor vessels and support to both the benchmark and test measurements and therefore are
structures. More detailed procedures for individual RMs are self canceling. The benchmark equivalent fluence rates, for the
provided in separate standards identified in and in Refs 11, environment tested, can be calculated from a direct ratio of the
24-27. The measurement results can be used to define corre- measured saturated activities in the two environments and the
sponding neutron induced reaction rates that can in turn be certified benchmark fluence rate (24-30).
used to characterize the irradiation environment of the reactor This method is intended to be used in conjunction with
vessel and support structure. The principal measurement tech- ASTM Guide E 844, . The following existing or proposed
nique is high resolution gamma-ray spectrometry, although ASTM practices, guides, and methods are also directly in-
X-ray photon spectrometry and Beta particle counting are used volved in the physics-dosimetry eva