Saturday, March 6, 2010

4TH


The Writing was written by: Md. Raisul Islam Milu
Date: 07-03-2010

Signature:
Overview of Radiation Control


Radiation problem is a great problem in our human life. Ionizing radiation can be instrumental in the improvement of health, welfare and productivity if properly used. If improperly used, it may impair the public’s health, and the industrial and agriculture potentials of the state.
Radioactivity from natural sources is present throughout the world. People are continuously exposed to low-level radiation from radioactive materials in the earth and from cosmic rays from space. Exposure to natural radiation can be affected by geography as well as lifestyle. For example, radiation levels are higher in the mountains, and travel by airplane contributes additional exposure because of increased cosmic radiation at high altitudes. The use of X-rays and radioactive materials in medicine adds to our population exposure.

Radiation can be hazardous to people if they are exposed to it in significant amounts.
If radiation producing equipment and radioactive materials are properly handled and regulated, they do not pose a significant risk to the public or to workers. The Radiation Control Program establishes limits for radiation exposure to workers and the general public as a result of the various uses radiation producing equipment and of licensed radioactive materials. In addition, MDH requires users to take steps to keep exposures well below the limits.
Radiation Control staff review radiation safety programs and inspects all sources of ionizing radiation of our registrants and licensees to ensure the health and safety of all members of the public in Minnesota.


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