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What percentage of average radiation exposure to a human is attributable to medical xrays?
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How much radiation is an average person in the USA exposed to each year?
According to NCRP Report #93, "Ionizing Radiation Exposure of the Population of the United States" (1987) the average exposure is about 295 mRem of Natural Background Radiation and about 63 mRem from Manmade Radiation (medical + consumer products) . Most (about 67%) of the natural background radiation is from inhaling Radon gas.
What is the average annual whole-body radiation exposure for a person living in the US?
Around 105.
What is the average exposure of people living in the US to environmental background radiation?
The average worldwide exposure of people to environmental background radiation is about 2.4 mSv (milliSievert) per year. The referenced source does not break that down by country.Ref: "Report of the United Nations Scientific Committee on the Effects of Atomic Radiation to the General Assembly", http://www.unscear.org/docs/reports/gareport.pdf
What is the average annual dose of radiation exposure to radiation workers?
There is no average dose as exposure varies from place to place, but anyone working with radiation should consult their Local Rules for guidance, and wear a dosimeter. The IAEA recommended that the annual dose for workers be under 20mSv. (20 milli-sieverts, where 1 sievert (J/kg) is the radiation required to impart 1 joule of energy in 1 kg of matter.) The UK and the EU have very strict guidelines for staff that work with ionising radiation. These are the dose limits that have been set up to help protect staff from unheathy amounts of radiation. Whole Body Dose Limits Per Year: Radiation Workers ages 18 yrs and older = 50 mSv. Trainees aged 18 yrs and older = 1 mSv General public (frequent exposure) = 1 mSv General public (infrequent exposure) = 5 mSv == == == == == ==
Is there any way to change the average amount of radiation emitted from a radioactive substance?
No, there is none at all. Shielding can be placed around it to limit exposure, but it has no effect on what the substance is emitting.
Does most of the radiation exposure for an average citizen in the US come from nuclear power plant operation and early atmospheric nuclear weapons tests?
No, radiation from these sources is negligible. Most comes from natural background, which depends a lot on the geology of the area. Radon is usually the biggest factor (see the link below)
Is radiation a measure of the average kineic energy of the particles in an object?
No, radiation is not a measure of the average kinetic energy of particles in an object. Radiation refers to the emission of energy as electromagnetic waves or particles from a source. The energy of radiation can vary depending on the type and source, and it is not directly related to the average kinetic energy of particles in an object.
What is the average on-base percentage and slugging percentage in baseball?
In MLB in the 2009 season, in the National League the average on base percentage was .331 and the average slugging percentage was .409. In the American League, the average on base percentage was .336 and the average slugging percentage was .428.
What is average labor cost percentage in a production plant?
please advise the average percentage of manufacturing costs
What is the percentage of Ferrari sales in America?
an average of 23.4 percentage
Can too much radiation from x-rays and ct-scan cause infertility in men?
Yes but the level of exposure that the average person would have to receive in order for that to occur is typically more than the typical diagnostic exposure time a patient would receive on a single visit. While CT's to give the most exposure at one time, unless it was a direct shot to the testes, one CT is unlikely (thought not impossible. There are rare exceptions to all cases with radiation) that it would happen. X-rays are far lower dosage and shielding of a patient's reproductive organs is typically done by technologists at all possible times.
Can you average a percentage?
yes
