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Nuclear Bomb Fallout: The essentials...
Dec 8 2006, 6:53 AM ESTBasically, you have so many variables when it comes to radioactive exposure, that it is usually easier to follow the basic rules.
ALARA. This acronym is used in the Nuclear industry to represent the following: "As Low As Reasonably Achievable" This means that there is no "Safe" level of radiation. The less you get, the better your chances that you will not have undesiirable effects.
then, you have: Time, Distance and Shielding
Time: Limit the amount of time near or around radioactive materials
Distance: Each time your double the distance from a radioactive source, you drop your expsure down to only 1/4 of original exposure.
Shielding: Dense materials such as lead or tungsten can reduce exposure to most radiation. Alpha and Beta particles can be shielded with a sheet of paper to a piece of aluminum foil.
Note, some shielding can actually increase your exposure.
ok, thats enough from me. 5 out of 5 found this valuable. Do you?
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