Frequently Asked Questions
Below is a list of frequently asked questions ("FAQs") that have been prepared from questions and answers submitted through our "Ask the Experts" feature.
List of Available FAQs
Where Do Atoms Go When They Decay?
Safety for Security Screening Using Devices That Expose Individuals to Ionizing Radiation
Cellular Phone and Base Station
Radiation Exposure During Commercial Airline Flights
Is Anything We Use in Everyday Life Radioactive?
What Is the Difference Between Health Physics and Medical Physics?
What Radiation-Detecting Device Should I Use?
What Is Dose? What Units Are Used for Dose?
Are Our Bodies Radioactive?
Relationship Between Radionuclide Gamma Emission and Exposure Rate
Hair Analysis for Uranium
Hints for First Responders About Detecting Radiation
Is Potassium Iodide a "Magic Bullet" for Radiation Exposure?
Can I Safely Use a Laser Pointer?
Lead Garments (Aprons, Gloves, etc.)
Measuring Occupational Exposures
Microwave Oven Q & A
Nuclear MedicineâDiagnostic Procedures
Optical Fiber Communication Systems and Laser Safety
What Dosimeter Should I Use for Personnel Monitoring?
Pregnancy and Flying
Pregnancy and Radiation Exposure
Pregnancy and Security Screening
What Is Radioactive Contamination?
How Can You Detect Radiation?
Radiation Dose Units
Radioactivity in the United States From Japanese Nuclear Plants
What Types of Radiation Are There?
Radiofrequency (RF) Radiation: Satellite Dish, Radar, Power Line, and Miscellaneous
How Can You Work Safely Around Radiation?
What Are Some Sources of Radiation Exposure?
Reference Books and Articles on Diagnostic X Ray and CT
Regulatory Dose Limits
Radiation Safety Officer (RSO) Qualifications
Smartphone RF Exposure
Solar Flares and Air Travel
Radiation Environment During Space Flight and on Other Planets
Suntanning and Tanning Booths
The Fukushima Accident
Do Levels of Radioactivity in the United States Follow the Levels Being Released From the Japanese Reactor Site?
What Is Radiation?
Workers and Security Screening
In addition to the FAQs listed above, answers to radiation-related questions may be found in the individual questions and answers posted on this website. Please see our complete listing of questions and answers if you cannot find the answer to your question here.