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RADIATION EFFECTS and SOURCES What Is Radiation? What Does Radiation Do to Us? Where Does Radiation Come From?
RADIATION EFFECTS and SOURCES What is radiation? What does radiation do to us? Where does radiation come from? United Nations Environment Programme RADIATION EFFECTS and SOURCES What is radiation? What does radiation do to us? Where does radiation come from? United Nations Environment Programme DISCLAIMER This publication is largely based on the findings of the United Nations Scientific Committee on the Effects of Atomic Radiation, a subsidiary body of the United Nations General Assembly and for which the United Nations Environment Pro- gramme provides the secretariat. This publication does not necessarily r epresent the views of the Scientific Committee or of the United Nations Environment Programme. The designations employed and the presentation of the material in this publica- tion do not imply the expression of any opinion whatsoever on the part of the United Nations Environment Programme concerning the legal status of any country, territory, city or area or of its authorities, or concerning delimitation of its frontiers or boundaries. This publication may be reproduced in whole or in part and in any form for educational or non-profit purposes without special permission from the copyright holder, provided acknowledgement of the source is made. The United Nations Environment Programme would appreciate receiving a copy of any publication that uses this publication as a source. No use of this publication may be made for resale or for any other commercial purpose whatsoever without prior permission in writing from the United Nations Environment Programme. The United Nations Environment Programme promotes environmentally sound practices globally and in its own activities. This publication was printed on recycled paper, 100 per cent chlorine free. -
General Guidelines for the Estimation of Committed Effective Dose from Incorporation Monitoring Data
Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaftt Wissenschaftliche Berichte FZKA 7243 General Guidelines for the Estimation of Committed Effective Dose from Incorporation Monitoring Data (Project IDEAS – EU Contract No. FIKR-CT2001-00160) H. Doerfel, A. Andrasi, M. Bailey, V. Berkovski, E. Blanchardon, C.-M. Castellani, C. Hurtgen, B. LeGuen, I. Malatova, J. Marsh, J. Stather Hauptabteilung Sicherheit August 2006 Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Wissenschaftliche Berichte FZKA 7243 GENERAL GUIDELINES FOR THE ESTIMATION OF COMMITTED EFFECTIVE DOSE FROM INCORPORATION MONITORING DATA (Project IDEAS – EU Contract No. FIKR-CT2001-00160) H. Doerfel, A. Andrasi 1, M. Bailey 2, V. Berkovski 3, E. Blanchardon 6, C.-M. Castellani 4, C. Hurtgen 5, B. LeGuen 7, I. Malatova 8, J. Marsh 2, J. Stather 2 Hauptabteilung Sicherheit 1 KFKI Atomic Energy Research Institute, Budapest, Hungary 2 Health Protection Agency, Radiation Protection Division, (formerly National Radiological Protection Board), Chilton, Didcot, United Kingdom 3 Radiation Protection Institute, Kiev, Ukraine 4 ENEA Institute for Radiation Protection, Bologna, Italy 5 Belgian Nuclear Research Centre, Mol, Belgium 7 Institut de Radioprotection et de Sûreté Nucléaire, Fontenay-aux-Roses, France 8 Electricité de France (EDF), Saint-Denis, France 9 National Radiation Protection Institute, Praha, Czech Republic Forschungszentrum Karlsruhe GmbH, Karlsruhe 2006 Für diesen Bericht behalten wir uns alle Rechte vor Forschungszentrum Karlsruhe GmbH Postfach 3640, 76021 Karlsruhe Mitglied der Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF) ISSN 0947-8620 urn:nbn:de:0005-072434 IDEAS General Guidelines – June 2006 Abstract Doses from intakes of radionuclides cannot be measured but must be assessed from monitoring, such as whole body counting or urinary excretion measurements. -
Pediatric Considerations Before, During, and After Radiological Or Nuclear Emergencies
TECHNICAL REPORT Pediatric Considerations Before, During,Martha S. Linet, MD, MPH, and a, b Ziad Kazzi, After MD, c, d Jerome A. RadiologicalPaulson, MD, FAAP, e COUNCIL ON ENVIRONMENTAL HEALTH or Nuclear Emergencies Infants, children, and adolescents can be exposed unexpectedly to ionizing abstract radiation from nuclear power plant events, improvised nuclear or radiologic dispersal device explosions, or inappropriate disposal of radiotherapy equipment. Children are likely to experience higher external and internal radiation exposure levels than adults because of their smaller body and aRadiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland; bAgency for organ size and other physiologic characteristics as well as their tendency to Toxic Substances and Disease Registry, Centers for Disease Control pick up contaminated items and consume contaminated milk or foodstuffs. and Prevention, Atlanta, Georgia; cNational Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia; This technical report accompanies the revision of the 2003 American dDepartment of Emergency Medicine, Emory University, Atlanta, Georgia; and eDepartment of Pediatrics, School of Medicine and Health Academy of Pediatrics policy statement on pediatric radiation emergencies Sciences, and Department of Environmental and Occupational Health, by summarizing newer scientific data from studies of the Chernobyl and the Milken Institute School of Public Health, George Washington University, Washington, District of Columbia Fukushima Daiichi nuclear power plant events, use of improvised radiologic Drs Linet and Kazzi contributed much of the technical information in dispersal devices, exposures from inappropriate disposal of radiotherapy this report, and Dr Paulson was responsible for drafting the document; equipment, and potential health effects from residential proximity to and all authors approved the final manuscript as submitted. -
Metabolomics in Radiation Biodosimetry: Current Approaches and Advances
H OH metabolites OH Review Metabolomics in Radiation Biodosimetry: Current Approaches and Advances Merriline M. Satyamitra 1,*, David R. Cassatt 1, Brynn A. Hollingsworth 1, Paul W. Price 2, Carmen I. Rios 1, Lanyn P. Taliaferro 1, Thomas A. Winters 1 and Andrea L. DiCarlo 1 1 Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), and National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), 5601 Fishers Lane, Rockville, MD 20852, USA; [email protected] (D.R.C.); [email protected] (B.A.H.); [email protected] (C.I.R.); [email protected] (L.P.T.); [email protected] (T.A.W.); [email protected] (A.L.D.) 2 Office of Regulatory Affairs, Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), 5601 Fishers Lane, Rockville, MD 20852, USA; [email protected] * Correspondence: [email protected]; Tel.: +1-240-669-5432 Received: 1 July 2020; Accepted: 6 August 2020; Published: 11 August 2020 Abstract: Triage and medical intervention strategies for unanticipated exposure during a radiation incident benefit from the early, rapid and accurate assessment of dose level. Radiation exposure results in complex and persistent molecular and cellular responses that ultimately alter the levels of many biological markers, including the metabolomic phenotype. Metabolomics is an emerging field that promises the determination of radiation exposure by the qualitative and quantitative measurements of small molecules in a biological sample. This review highlights the current role of metabolomics in assessing radiation injury, as well as considerations for the diverse range of bioanalytical and sampling technologies that are being used to detect these changes. -
Carbon-14 Radiological Safety Guidance Revision Date: 09/27/18
Carbon-14 Radiological Safety Guidance Revision Date: 09/27/18 Physical Data BETA ENERGIES • 156.4 keV (maximum) • 49.5 keV (average) (100%) Physical Half-Life 5730 years Biological Half-Life 10 days (Whole Body) Effective Half-Life 10 days (Bound/Whole Body) Effective Half-Life 40 days (Unbound/Bone) Specific Activity 4460 millicuries/gram Maximum Beta Range in Air 25.400 cm = 10.0 inches Maximum Beta Range in Water/Tissue* 0.030 cm = 0.012 inches Maximum Range in Plexiglas/Lucite/Plastic 0.025 cm = 0.010 inches *Fraction of C-14 beta particles transmitted through dead layer of skin (0.007 cm) = 17% Shielding None required (≤ 3 mm plexiglass) Half-Value Layer (Water) 0.005 cm = 0.05 mm Tenth-Value Layer (Water) 0.017 cm = 0.17 mm Volatility • Inherent Volatility (STP) is Not Significant Exposure: Radiological Safety Information There are three main classes of carbon compounds which may be inhaled: organic compounds, gases (CO or CO2), and aerosols of carbon containing compounds such as carbonates and carbides. Carbon- 14 Data Sheet Page 1 of 4 Revision Date: 09/27/18 Exposure Rates Dose Rate from a 1.0 millicurie isotropic point source of C-14: DISTANCE RAD/HOUR 1.0 cm 1241.4 2.0 cm 250.4 15.2 cm 0.126 20.0 cm 0.0046 Exposure Prevention • Always wear a lab coat and disposable gloves when working with C-14. • Possibility of organic C-14 compounds being absorbed through gloves. Administrative Controls • Care should be taken not to generate CO2 gas that could be inhaled. -
Radiation Glossary
Radiation Glossary Activity The rate of disintegration (transformation) or decay of radioactive material. The units of activity are Curie (Ci) and the Becquerel (Bq). Agreement State Any state with which the U.S. Nuclear Regulatory Commission has entered into an effective agreement under subsection 274b. of the Atomic Energy Act of 1954, as amended. Under the agreement, the state regulates the use of by-product, source, and small quantities of special nuclear material within said state. Airborne Radioactive Material Radioactive material dispersed in the air in the form of dusts, fumes, particulates, mists, vapors, or gases. ALARA Acronym for "As Low As Reasonably Achievable". Making every reasonable effort to maintain exposures to ionizing radiation as far below the dose limits as practical, consistent with the purpose for which the licensed activity is undertaken. It takes into account the state of technology, the economics of improvements in relation to state of technology, the economics of improvements in relation to benefits to the public health and safety, societal and socioeconomic considerations, and in relation to utilization of radioactive materials and licensed materials in the public interest. Alpha Particle A positively charged particle ejected spontaneously from the nuclei of some radioactive elements. It is identical to a helium nucleus, with a mass number of 4 and a charge of +2. Annual Limit on Intake (ALI) Annual intake of a given radionuclide by "Reference Man" which would result in either a committed effective dose equivalent of 5 rems or a committed dose equivalent of 50 rems to an organ or tissue. Attenuation The process by which radiation is reduced in intensity when passing through some material. -
ACUTE RADIATION SYNDROME: Diagnosis and Treatment
ACUTE RADIATION SYNDROME: Diagnosis and Treatment Badria Al Hatali, MD Medical Toxicologist Department of Environmental and Occupational Health MOH - Oman Objectives Provide a review of radiation basics and acute radiation sickness Discuss diagnostic tools and triage tools for Acute Radiation Syndromes Discuss management of Acute Radiation Syndromes Energy traveling over a distance as Waves Particles • Gamma rays • Alpha • X-rays • Beta • Radio waves • neurons Non-ionizing vs Ionizing Radiation • High energy • Low energy • Removes orbital electrons • Does not remove orbital from atoms > DNA electrons from atom damage Radioactive Decay Process to Remove excess energy from atomic nuclei Nuclei emit rays or particles to decrease nuclear energy Radioactive materials have unstable nuclei with excess energy Ionizing Radiation Dose • Radiation absorb dose (RAD): the amount of energy absorbed by the body. 1 cGy = 0.01 J/kg (USA) • Gray (Gy): expressed as absorbed energy per unit mass of tissue. 100 rad =100 cGy =1 J/kg (SI) • Roentgen Equivalent Man (REM) relates the absorbed dose in human tissue to the effective biological damage of the radiation (USA) • Sievert (Sv): the absorbed dose in human tissue to the effective biological damage of the radiation (SI) Radioactivity Biological And Effective Half-lives Biological half-life is the time to remove half of radioactive element from body Effective half-life is the combined effect of radioactive decay & biological elimination Effective half-life is always shorter than either physical or biological half-lives Biological Effects of Ionizing Radiation Direct damage Chromosome Other biochemical E.g. alpha and beta particles Indirect damage Chemical changes due to radiolysis of water in cell E.g. -
Emergency and Combat First Aid» Module № 1 Emergency and Combat First Aid Topic 7 Means of Mass Destruction
Ministry of Health of Ukraine Ukrainian Medical stomatological Academy It is ratified On meeting department Of accident aid and military medicine «___»_____________20 __y. Protocol №_____ Manager of department DMSc ., assistant professor __________К.Shepitko METHODICAL INSTRUCTION FOR INDEPENDENT WORK OF STUDENTS DURING PREPARATIONS FOR THE PRACTICAL LESSON Educational discipline «Emergency and Combat First Aid» Module № 1 Emergency and Combat First Aid Topic 7 Means of Mass Destruction. First Aid. Weapons of mass destructions. Lesson 10 Radiations chemical accidents .First Aid Сourse ІІ Foreing students training dentistry Faculty Training of specialists of the second (master) level of higher of education (название уровня высшего образования) Areas of knowledge _______ 22 «Health protection»_________ (шифр и название области знаний) Specialty ________222 «Medicine», 221 «Stomatology»________________ (код и наименование специальности) Poltava 2019 The relevance of the topic: Military action in modern warfare will be carried out with high activity and limit tension. They cause great losses in the army and among the population, the destruction of potentially dangerous objects, energy centers, waterworks, the formation of large zones of destruction, fires and floods. The main form of countering in the war, is armed struggle - the organized use of armed forces and weapons to achieve specific political and military objectives, a combination of military actions of varying scales. To conventional weapons, the application of which may cause losses among the population are missiles and aerial munitions, including precision munitions volumetric detonation of cluster and incendiary. Have the greatest efficiency high precision conventional weapons, which provide automatic detection and reliable destruction of targets and enemy targets with a single shot (trigger). -
Internal and External Exposure Exposure Routes 2.1
Exposure Routes Internal and External Exposure Exposure Routes 2.1 External exposure Internal exposure Body surface From outer space contamination and the sun Inhalation Suspended matters Food and drink consumption From a radiation Lungs generator Radio‐ pharmaceuticals Wound Buildings Ground Radiation coming from outside the body Radiation emitted within the body Radioactive The body is equally exposed to radiation in both cases. materials "Radiation exposure" refers to the situation where the body is in the presence of radiation. There are two types of radiation exposure, "internal exposure" and "external exposure." External exposure means to receive radiation that comes from radioactive materials existing on the ground, suspended in the air, or attached to clothes or the surface of the body (p.25 of Vol. 1, "External Exposure and Skin"). Conversely, internal exposure is caused (i) when a person has a meal and takes in radioactive materials in the food or drink (ingestion); (ii) when a person breathes in radioactive materials in the air (inhalation); (iii) when radioactive materials are absorbed through the skin (percutaneous absorption); (iv) when radioactive materials enter the body from a wound (wound contamination); and (v) when radiopharmaceuticals containing radioactive materials are administered for the purpose of medical treatment. Once radioactive materials enter the body, the body will continue to be exposed to radiation until the radioactive materials are excreted in the urine or feces (biological half-life) or as the radioactivity weakens over time (p.26 of Vol. 1, "Internal Exposure"). The difference between internal exposure and external exposure lies in whether the source that emits radiation is inside or outside the body. -
Radiological Information
RADIOLOGICAL INFORMATION Frequently Asked Questions Radiation Information A. Radiation Basics 1. What is radiation? Radiation is a form of energy. It is all around us. It is a type of energy in the form of particles or electromagnetic rays that are given off by atoms. The type of radiation we are concerned with, during radiation incidents, is “ionizing radiation”. Radiation is colorless, odorless, tasteless, and invisible. 2. What is radioactivity? It is the process of emission of radiation from a material. 3. What is ionizing radiation? It is a type of radiation that has enough energy to break chemical bonds (knocking out electrons). 4. What is non-ionizing radiation? Non-ionizing radiation is a type of radiation that has a long wavelength. Long wavelength radiations do not have enough energy to "ionize" materials (knock out electrons). Some types of non-ionizing radiation sources include radio waves, microwaves produced by cellular phones, microwaves from microwave ovens and radiation given off by television sets. 5. What types of ionizing radiation are there? Three different kinds of ionizing radiation are emitted from radioactive materials: alpha (helium nuclei); beta (usually electrons); x-rays; and gamma (high energy, short wave length light). • Alpha particles stop in a few inches of air, or a thin sheet of cloth or even paper. Alpha emitting materials pose serious health dangers primarily if they are inhaled. • Beta particles are easily stopped by aluminum foil or human skin. Unless Beta particles are ingested or inhaled they usually pose little danger to people. • Gamma photons/rays and x-rays are very penetrating. -
Ionizing Radiation in Earth's Atmosphere and in Space Near Earth May 2011 6
Federal Aviation Administration DOT/FAA/AM-11/9 Office of Aerospace Medicine Washington, DC 20591 Ionizing Radiation in Earth’s Atmosphere and in Space Near Earth Wallace Friedberg Kyle Copeland Civil Aerospace Medical Institute Federal Aviation Administration Oklahoma City, OK 73125 May 2011 Final Report OK-11-0024-JAH NOTICE This document is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The United States Government assumes no liability for the contents thereof. ___________ This publication and all Office of Aerospace Medicine technical reports are available in full-text from the Civil Aerospace Medical Institute’s publications Web site: www.faa.gov/library/reports/medical/oamtechreports Technical Report Documentation Page 1. Report No. 2. Government Accession No. 3. Recipient's Catalog No. DOT/FAA/AM-11/9 4. Title and Subtitle 5. Report Date Ionizing Radiation in Earth's Atmosphere and in Space Near Earth May 2011 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No. Friedberg W, Copeland K 9. Performing Organization Name and Address 10. Work Unit No. (TRAIS) FAA Civil Aerospace Medical Institute P.O. Box 25082 11. Contract or Grant No. Oklahoma City, OK 73125 12. Sponsoring Agency name and Address 13. Type of Report and Period Covered Office of Aerospace Medicine Federal Aviation Administration 800 Independence Ave., S.W. Washington, DC 20591 14. Sponsoring Agency Code 15. Supplemental Notes 16. Abstract The Civil Aerospace Medical Institute of the FAA is charged with identifying health hazards in air travel and in commercial human space travel. -
Personal Preparedness Guide Radiological: Nuclear Explosion
PERSONAL PREPAREDNESS GUIDE RADIOLOGICAL: NUCLEAR EXPLOSION What It Is: Nuclear explosions occur when two subcritical masses of highly processed radioactive material are thrust together suddenly, triggering a violent chain reaction and release of energy. Nuclear weapons are designed to cause catastrophic damage to people, buildings and the environment. Special highly guarded materials and expertise are required to construct and detonate a nuclear weapon. Damage from nuclear weapons fall into several categories. The explosion itself can demolish buildings and structures over a large area. The extent of the damage depends on the power of the bomb. Once the bomb explodes, it releases a fireball. This form of radiation can melt and burn some objects and skin, but clothing and opaque objects can provide some protection. However, the heat from thermal radiation is also the source of most of the post-blast fires. The intense heat of the fire causes an updraft, pulling oxygen in, making it difficult to breathe in the surrounding area. One of the unique effects of a nuclear blast is the electromagnetic pulse, which also emanates from the center of the blast. It disables all electrical devices in its path, rendering anything with a computer chip essentially dead. This poses an escape problem; newer cars with chips would not be able to start. Perhaps the most widely known effect of a nuclear attack is the fallout. When the bomb or missile explodes near the earth's surface, it pulls soil and water into a mushroom cloud, contaminating it with radiation. This matter settles back to the ground generally within a day and can be spread over a wider area by wind.