{"schema_version":1,"source":"The FlightDose app's comparison table","comparisons":[{"name":"Chest X-Ray","category":"medical","dose_msv":0.1,"description":"Single chest X-ray (PA view)","display_order":1},{"name":"Dental X-Ray","category":"medical","dose_msv":0.005,"description":"Single dental X-ray","display_order":2},{"name":"Mammogram","category":"medical","dose_msv":0.4,"description":"Four-view mammogram","display_order":3},{"name":"Spine X-Ray","category":"medical","dose_msv":1.5,"description":"X-ray of the lumbar spine","display_order":4},{"name":"Head CT Scan","category":"medical","dose_msv":2,"description":"CT scan of the head","display_order":5},{"name":"Chest CT Scan","category":"medical","dose_msv":7,"description":"CT scan of the chest","display_order":6},{"name":"Abdomen CT Scan","category":"medical","dose_msv":8,"description":"CT scan of the abdomen and pelvis","display_order":7},{"name":"Full Body CT Scan","category":"medical","dose_msv":10,"description":"Whole-body CT scan","display_order":8},{"name":"Cardiac CT Angiography","category":"medical","dose_msv":12,"description":"CT scan of coronary arteries","display_order":9},{"name":"PET/CT Scan","category":"medical","dose_msv":14,"description":"Combined PET and CT scan","display_order":10},{"name":"Bone Scan","category":"medical","dose_msv":4.4,"description":"Nuclear medicine bone scan","display_order":11},{"name":"Barium Enema","category":"medical","dose_msv":8,"description":"Lower GI series with fluoroscopy","display_order":12},{"name":"Eating a Banana","category":"food","dose_msv":0.0001,"description":"Radiation from potassium-40 in one banana","display_order":13},{"name":"Brazil Nuts (28g)","category":"food","dose_msv":0.00016,"description":"Radium-226 and radium-228 in Brazil nuts","display_order":14},{"name":"Glass of Beer","category":"food","dose_msv":0.00003,"description":"Trace radioactive potassium in beer","display_order":15},{"name":"Potatoes (300g)","category":"food","dose_msv":0.0001,"description":"Natural potassium-40 in potatoes","display_order":16},{"name":"Background Radiation (Daily)","category":"natural","dose_msv":0.008,"description":"Average daily background radiation exposure","display_order":17},{"name":"Background Radiation (Annual)","category":"natural","dose_msv":3,"description":"Average annual background radiation exposure in the US","display_order":18},{"name":"Radon in Home (Annual)","category":"natural","dose_msv":2,"description":"Average annual radon exposure in US homes","display_order":19},{"name":"Living in Denver (Annual)","category":"natural","dose_msv":1.5,"description":"Additional annual cosmic radiation due to high altitude","display_order":20},{"name":"Sleeping Next to Someone (Per Night)","category":"natural","dose_msv":0.00005,"description":"Radiation from potassium-40 in another person","display_order":21},{"name":"Living Near Coal Plant (Annual)","category":"natural","dose_msv":0.0003,"description":"Additional exposure from coal ash emissions","display_order":22},{"name":"Smoke Detector (Annual)","category":"technology","dose_msv":0.0001,"description":"Americium-241 in ionization smoke detector","display_order":23},{"name":"Airport Body Scanner","category":"technology","dose_msv":0.0001,"description":"Backscatter X-ray scan","display_order":24},{"name":"CRT TV (Annual)","category":"technology","dose_msv":0.001,"description":"Sitting close to older CRT television","display_order":25},{"name":"NYC to LA Flight","category":"travel","dose_msv":0.04,"description":"Typical US transcontinental flight","display_order":26},{"name":"NYC to London Flight","category":"travel","dose_msv":0.06,"description":"Typical transatlantic flight","display_order":27},{"name":"Public Annual Limit","category":"occupational","dose_msv":1,"description":"Annual dose limit for general public from artificial sources","display_order":28},{"name":"Flight Crew Annual Limit (FAA)","category":"occupational","dose_msv":20,"description":"FAA recommended annual limit for flight crew","display_order":29},{"name":"Radiation Worker Annual Limit","category":"occupational","dose_msv":50,"description":"Annual occupational limit for radiation workers (US NRC)","display_order":30},{"name":"Astronaut Annual Limit (NASA Career)","category":"occupational","dose_msv":500,"description":"Approximate career exposure guideline (varies by age/sex)","display_order":31},{"name":"Three Mile Island Worker (Max Recorded)","category":"events","dose_msv":100,"description":"Highest worker dose recorded during TMI-2 accident","display_order":32},{"name":"Three Mile Island Public (Average)","category":"events","dose_msv":0.08,"description":"Average dose to nearby public from TMI accident","display_order":33},{"name":"Fukushima Worker (Typical Cleanup)","category":"events","dose_msv":100,"description":"Typical higher-end worker exposure during response","display_order":34},{"name":"Fukushima Worker (Highest Reported)","category":"events","dose_msv":250,"description":"Highest reported early worker exposure","display_order":35},{"name":"Fukushima Evacuation Threshold","category":"events","dose_msv":20,"description":"Annualized evacuation criterion","display_order":36},{"name":"Average Chernobyl Liquidator","category":"events","dose_msv":120,"description":"Average dose to cleanup workers","display_order":37},{"name":"Chernobyl First Responders (High Exposure)","category":"events","dose_msv":6000,"description":"Severe acute doses received by some firefighters","display_order":38},{"name":"Manhattan Project Worker (Typical Annual)","category":"historical","dose_msv":5,"description":"Estimated typical monitored annual dose for workers","display_order":39},{"name":"Early Radium Dial Painter (Severe Cases)","category":"historical","dose_msv":10000,"description":"Estimated cumulative doses in extreme historical cases","display_order":40},{"name":"Acute Radiation Syndrome Threshold","category":"biological","dose_msv":1000,"description":"Approximate threshold for mild radiation sickness","display_order":41},{"name":"LD50 (Without Treatment)","category":"biological","dose_msv":4000,"description":"Dose lethal to ~50% without medical treatment","display_order":42}]}