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Radiation protection - Wikipedia


Radiation protection, sometimes known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to io...

Materials Used in Radiation Shielding - ThomasNet


This article describes the various materials used to block different types of radiation ... is an important part of operating equipment that emits potentially hazardous rays. ... Indirectly ionizing radiation, which includes neutrons, gamma rays, and x-rays, ... Neutrons can be made less harmful through a combination of elastic and ...

NRC: Radiation Basics


This less-familiar form of radiation includes alpha particles, beta particles, and ... Essentially, a half-life of a radioactive material is the time it takes one-half of the atoms ... (ions), which may cause changes in living cells of plants, animals, and people. ... Nonetheless, ionizing radiation is potentially harmful if not used c...

Radiation and Life - World Nuclear Association


In fact it may be dangerous, so we control our exposure to it. ... Living things have evolved in an environment which has significant levels of ionising radiation. ... measures of mass and volume, the amount of radioactive material is given in becquerel ... Water and concrete are the most commonly used shields against neutron ...

Radiation | Nuclear Radiation | Ionizing Radiation | Health Effects ...


Ionizing radiation which can damage living tissue is emitted as the unstable atoms ... radiation we are exposed to in our daily lives and to assess potential health impacts as ... Quantities of radioactive material are commonly estimated by measuring the ..... survivors suggested a threshold of about 400 mSv for harmful effects.

Introduction to Ozone: Background Material


The general concepts found in this section include the following: ... Ozone is also found in the troposphere, where it can damage living tissue and ... pollutant that damages human health, vegetation, and many common materials. ... in the earth's atmosphere by the action of the sun's ultraviolet radiation on oxygen molecules.

Protection Against Exposure to Ultraviolet Radiation - World Health ...


This INTERSUN report provides information to people on how to protect themselves from the potentially harmful effects of exposure to ultraviolet (UV) radiation.

The Radiation Post | Blog of Lancs Industries


These are the least -commonly used scanners in U.S. airports and the science ... them as a general rule and exposing their citizens to potentially harmful radiation. .... While the basics of radiation materials are roughly the same, there are three ... You are probably familiar with the lead apron that is used as a shield when you ...



Any discussion of dangers from radiation must include numbers; otherwise, it can be ... about 10,000 mrem, which is commonly referred to as low-level radiation. ... a radioactive source used for materials inspection being temporarily misplaced; ... amount of air above that shields people from cosmic rays, natural radiation is ...

OSHA Training and Reference Materials Library - Industrial Hygiene


These materials were developed by OSHA's Office of Training and Education and are intended to .... with toxic chemicals, biological hazards, and harmful physical agents. ... Potential hazards can include air contaminants, and chemical, biological, ... These include bacteria, viruses, fungi, and other living organisms that can ...