By J. Craig Robertson (auth.)
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Additional resources for A Guide to Radiation Protection
1 A radiation area warning notice rate meter of the type described in chapter 8 which should be calibrated by a qualified person every 14 months but which should at all times be kept in proper working condition. Radiation areas should be clearly marked to prevent non-designated persons entering them. 1. A radiation area should wherever possible be bounded by barriers and have limited access. Precautions with sealed sources Suitable arrangements must be made for the storage and accounting of these sources.
This was the basis of the rule of thumb given at the end of chapter 3. RADIATION UNITS 43 Things to remember from chapter 7 (I) In radiation protection the units most commonly used are the rem, the rad and the roentgen. (2) The rad is the unit of absorbed dose. An absorbed dose of 1 rad corresponds to an energy deposition of 62 500 000 MeV/g of material. (3) The rem is the unit of dose equivalent, 1 rem = 1 rad x the quality factor. (4) The quality factor is different for different types of radiation and allows for the fact that equal absorbed doses in rads from different kinds of radiation do not produce the same degree of biological damage.
These regulations and codes of practice are intended to ensure the safety of all personnel working with radioactive materials. They have much in common, the chief difference being the requirement under the regulations to keep the local district factory inspector informed of the use of sources and of any accidents involving their use. Certain responsibilities are placed on the controlling authorities in the various organizations using radioactive materials or equipment which produces radiation. Classified and designated persons Firstly the authorities must appoint competent persons who will have special responsibilities for implementing the regulations or codes of practice.
A Guide to Radiation Protection by J. Craig Robertson (auth.)