Estimate Your Personal Annual Radiation Dose Your Annual Dose (mrems) Factors Wh

Question

Estimate Your Personal Annual Radiation Dose Your Annual Dose (mrems) Factors Where You Live Common Sources of Radiation Cosmic Radiation (from outer space) Exposure depends on your elevation (how much air is above you to block radiation). Amounts are listed in mrem (per year) mrem 2-3000 ft 3-4000 ft... 4-5000 ft..47 5-6000 ft 6-7000 ft....66 mrem 7-8000 ft...9 8-9000 ft.. 5 mrem 0-1000 ft 1-2000 ft 31 52 (Elevation of cities (in feet): Atlanta 1050; Chicago 595; Dallas 435; Denver 5280; las Vegas 2000; Minneapolis 815; Pittsburg 1200; St.louis 455; Salt lake City 4400; Spokane 1890.) Terrestrial (from the ground) mrem If you live in a state that borders the Gulf or Atlantic Coasts, add 15 mrem If you live in the Colorado Plateau area, add 75 mrem If you live anywhere else in the continental US, add 35 mrem House Construction If you live in a stone, adobe, brick or concrete building, add 7 mrem mrem Power Plants If you live within 50 miles of a nuclear power plant, add 0.01 mrem If you live within 50 miles of a coal-fired power plant, add 0.03 mrem mrem mrem Food, Water, Air Internal Radiation2 From food (Carbon-14 and Potassium-40) & from water (radon dissolved in water) 40 mrem mrem mrem mrem mrem From air (radon) 200 0.5 mrem per hour in the air 0.07 mrem 0.002 mrem 1 mrem How You Live et Plane Travel If you have porcelain crowns or false teeth If you go past luggage x-ray inspection at airport If you view a TV or computer screen which uses CRT technology If you smoke 1/2 pack of cigarettes every day of the year.add 18 mrem If you have a smoke detector mrem 0.008 mrem mrem Medical Tests Medical Diagnostic Tests - Number of millirems per procedures X-Rays: Chest-10 mrem, Mammography-40, Skull-10, Cervical Spine-20, mrem Lumbar Spine-150, Upper GI-600, Abdomen (kidney/bladder)-70, Barium Enema-800 Pelvis-60, Hip-70. Dental Bitewing/Image-0.5. Extremity (hand/foot)-0.1 CT Scans: Head-200 mrem, Chest-700, Abdomen-800, Pelvis-600, Extremity-10, Angiography mrem (heart)-1200, Angiography (head)-1000, Spine-600, Whole Body-1275, Cardiac-300 Your Estimated Annual Radiation Dose mrem

Explanation / Answer

Radon in the air: 200 mrem Food and water: 40 mrem Cosmic radiation: 26 mrem Area of residence: 23 mrem Type of building: 7 mrem Elevation from sea level: 2 mrem Television viewing: 1 mrem Porcelain crowns or false teeth: 0.07 mrem Airport luggage inspection typical x-ray machine: 0.002 mrem Nearby nuclear plant: 0.0009 mrem Estimated annual radiation dose-299.0729mrem

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