When compared with these data, data from 2006 showed marked increase in medical exposure from 15% to 48%. Quick reference information recommendations of the national council on radiation protection and measurements the information in this document is adapted, with the permission of the national council on radiation protection and measurements, from its publication management of persons contaminated with radionuclides. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The current report updates and expands on report no. Ncrp 151 is just a report how to translate this into regulations. Download citation structural shielding design and evaluation for megavoltage x and gammaray radiotherapy facilities, ncrp report no. In 2006, americans were exposed to more than seven times as much ionizing radiation from medical procedures as was the case in the early 1980s, according to a new report on population exposure released march 3rd by the national council on radiation protection and measurements ncrp at its. Ncrp report 151 structural shielding design and evaluation for. It includes a discussion of the various factors to be considered in the selection of appropriate shield ing materials and in the calculation of barrier thicknesses. This report was prepared through a joint effort of ncrp. National council on radiation protection and measurement. Shielding design for linear accelerators using ncrp report 151. For radiation safety purposes, the barriers thicknesses must be designed to attenuate the radiation emitted directly from.
Get a printable copy pdf file of the complete article 157k, or click on a page image below to browse page by page. And measurements ncrp report series 1st edition by ncrp author isbn. Introduction this report, which supersedes ncrp report no. Structural shielding design and evaluation for megavoltage x and gammaray radiotherapy facilities will be the basis for this practical course. Shielding calculation based on ncrp methodologies for some. Therefore, the revision of this methodology is addressed new shielding concepts in ncrp report no. This information supersedes the recommendations in ncrp report no. Structural shielding design and evaluation for medical use of xrays and gammarays up to 10 mev name of standards organization. Ray radiotherapy facilities, presents updated methods and data for. Ncrp report 151 structural shielding design and evaluation for megavoltage xand gammaray radiotherapy facilities.
The purpose of structural shielding is to limit radiation. Section 1 introduces sources of occupational radiation exposure and compares occupational exposures in medicine with other sources of occupational exposure. Full text full text is available as a scanned copy of the original print version. Quality assurance for diagnostic imaging equipment ncrp. The ncrp in their recently released report, ncrp report no. History, technical feasibility, mechanism of action, normal biodistribution, and diagnostic performance in bone metastasis detection compared with other imaging modalities.
This report presents recommendations and technical information related to the design and installation of structural shielding for megavoltage x and gammaray radiotherapy facilities. The application of the structural shielding design techniques and goals as outlined in ncrp report 147. Reports the purpose of radiation shielding is to limit radiation exposures to members of the public and employees to an acceptable level. Vu, ms, phd candidate department of medical radiation physics college of health professions rosalind franklin university of medicine and sciences north chicago, il 60064.
Quick reference information recommendations of the. Structural shielding design and evaluation for megavoltage x and gamma ray radiotherapy facilities released december 31, 2005 calculations here illustrate the ncrp 151 recommendations previous ncrp reports are also cited in some cases e. Quality assurance for diagnostic imaging equipment ncrp report. Structural shielding design for medical xray imaging facilities november 2004 and ncrp report 151. Structural shielding design and evaluation for megavoltage. Application of ncrp 49 in shielding calculation significantly overestimated the barrier thickness. Aapm publications ncrp publications for aapm members. Pdf software for shielding calculation based on ncrp.
Ncrp report 160 and what it means for medical imaging and. The first meeting of cc 1 was held 10 on september 34, 2014. To support radiation protection by providing independent scientific analysis, information, and recommendations that represent the consensus of leading scientists. Ncrp report 151 structural shielding design and evaluation. Shielding design methods for radiation oncology departments. Structural shielding design and evaluation for megavoltage x and gammaray radiotherapy facilities. By order of the executive director office of the federal register washington, d. A second ncrp report is in preparation under the auspices of program area committee 2 that will update the parts of ncrp report no. However, this methodology has obviously some deficiencies identified by many other studies petratonaki et al. Radiation protection in medicine ncrp bethesda, md. Structural shielding design and evaluation for medical use of xrays and gammarays up to 10 mev.