NCRP report no 118 radiation protection in the mineral extraction industry

... draws on examples from the uranium mining and milling industry, but principles and practices common across the entire mineral extraction industry are emphasized Mining, milling and beneficiation ... This Report was originally intended as radiation protection recommendations for the uranium mining and milling industry The Committee early on, however, recognized t h a t there were known radiation ... connected with the mining and milling of several minerals Further, the Committee recognized that the extraction and processing of virtually any mineral might result in some level of radiation exposure...

NCRP report no 112 calibration of survey instruments used in radiation protection for the assessment of ionizing radiati~1

... advantage of the historical performance records of instruments in deciding upon calibration frequencies If accurate records are maintained for instruments in use, the individual(s1 in charge of the calibration ... Routine Calibration Routine calibration refers to calibration of an instrument for normal use Normal use is characterized by the following: 1) use of the instrument for radiation of the type for ... uncertainty For example, in determining the accuracy of a calibration, evaluate the reading of an instrument relative to the estimated true value of the quantity being measured by dividing the reading...

NCRP report no 121 principles and application of collective dose in radiation protection

... law theory governing liability Library of Congress Cataloging -in- PublicationData Principles and application of collective dose in radiation protection p cm.- (NCRP report ; no 121) Includes bibliographical ... presented in NCRP Report No 104 (NCRP, 1990b) and for internally deposited radionuclides in NCRP Report No 89 (NCRP, 1987~) 3.2.2.1 Chromosome Aberrations The induction of reciprocal translocations in ... of Ionizing Radiation [BEIR (NASINRC, 1972)l A discussion of topics similar to collective dose in NCRP Report No 39 (NCRP, 1971) did not mention the conceptper se But, NCRP (1957) talked of "The...

NCRP report no 126 uncertainties in fatal cancer risk estimates used in radiation protection

... the uncertainties in the average risk estimates presently used in low-LET radiation protection Risk estimates for individual organs involve greater uncertainties than for total cancer and are not ... theorygoverning liability Library of Congress Cataloging -in- PublicationData National Council on Radiation Protection and Measurements Uncertainties in fatal cancer risk estimates used in radiation protection ... the issue of uncertainties in risk estimates recommended for use in radiation protection 1.4.2 NCRP Approach to Uncertainty in Risk Estimates for Radiation Protection The question now arises,...

NCRP report no 114 maintaining radiation protection records

... on Radiation Protection and Measurements Maintaining radiation protection records : recommendations of the National Council on Radiation Protection and Measurements cm.- (NCRP report ; no 114) ... relating to radiation protection personnel 3.3 TYPES OF PROGRAM RECORDS / 21 3.3.4.3 Radiation Protection Personnel Training Program records include documentationof the training of radiation protection ... documented These program records should be linked to the person's radiation exposure records, employment records, training records, medical records, security records and to program records relating to...

NCRP report no 117 research needs for radiation protection

... National Council on Radiation Protection and Measurements Scientific Committee 83 Research needs for radiation protection : recommen&tions of the National Council on Radiation Protection and Measurements ... 82 References NCRP Publications Index 53 Introduction This Report addresses research needs for establishing guidelines for radiation protection from ionizing radiation and ... combination of ionizing radiation and other agents Research needs in the area of nonionizing radiation are not addressed The general fields of research for which increased information would be most...

NCRP report no 109 effects of ionizing radiation on aquatic organisms

... been one of the primary concerns with environmental radiation exposures to populations of aquatic organisms In determining the effects of radiation on aquatic organisms, it is important to know ... has been done on the immune response of fish to radiation (Preston, 1959; Shechmeister et al., 1962).Other investigations have been conducted on the effects of radiation on the ability of fish ... for long-term exposures 2.1 Mortality The first determination in risk assessment of the effects of ionizing radiation on aquatic organisms is the measurement of the upper limit of radiation sensitivity...

NCRP report no 111 developing radiation emergency plans for academic, medical or industrial facilities

... utilized for dose determination and subsequent impact Publications such as Report No 83 (NCRP, 1985b), Report No 84 (NCRP, 1985a), Report No 65 (NCRP, 1980), Report No 54 (NCRP, 1977), Technical Report ... facilities Five reports have been published in this series: NCRP Report No 59, Operational Radiation Safety Programs, NCRP Report No 71, Operational Radiation Safety-Training ,NCRP Report No 88, Radiation ... Systems, NCRP Report No 105, Radiation Protection for Medical and Allied Health Personnel and NCRP Report No 107, Implementation of the Principle of as low as Reasonably achievable (ALARA) for Medical...

NCRP report no 116 limitation of exposure to ionizing radiation

... its entirety NCRP Report No 91, Recommendations on / INTRODUCTION Limits for Exposure to Ionizing Radiation (NCRP, 1987) The basic framework of this Report, the approach to dose limitation and ... on the Effects of Atomic Radiation, and the review of these documents by Scientific Committee 1-2 of the NCRP that is being published as NCRP Report No 115, Risk Estimates for Radiation Protection ... Measurements (NCRP) published its last complete set of basic recommendations specifying dose limits for exposure to ionizing radiation in NCRP Report No 91 which was published in 1987 (NCRP, 1987)...

NCRP report no 119 a practical guide to the determination of human exposure to radiofrequency fields

... Cataloging-in-PublicationData National Council on Radiation Protection and Measurements A practical guide to the determination of human exposure to radiofrequency fields : recommendations of the ... contains a brief explanation of vectors and vector notation A scalar is a quantity that has magnitude only In contrast to this, a vector is a quantity that has magnitude and direction A familiar example ... plane wave in a material, the wave impedance is equal to 377 times the square root of the ratio of the relative permeability to the relative permittivity of the material lossy: A material characteristic...

NCRP report no 127 operational radiation safety program

... include, NCRP Report No 71, Operational Radiation Safety- Training (NCRP, 1983a); NCRP Report No 88, Radiation Alarms and Access Control Systems (NCRP, 1986) ;NCRP Report No 105 ,Radiation Protection ... 1991b); NCRP Report No 114, Maintaining Radiation Protection Records (NCRF', 1992); NCRP Report No 118, Radiation Protection i n the Mineral Extraction Industry (NCRP, 1993a); NCRP Report NO 120, ... Preface NCRP Report No 59, Operational Radiation Safety Program, was published in 1978 That report provided the philosophy, basic principles and requirements for a radiation safety program In...

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