Many of your questions related to radiation and radiation protection may be found in the following three documents

1. Radiological Information 
    Radiation Basics
    Radiation Exposure 
    Sources of Radiation
    Health Effects of Radiation
    Contamination Issues 
    Glossary of Radiological Terminology

2. Radiological Terrorism
    Terrorist Events Involving Radiation
    Dirty Bombs
    Suitcase Bombs
    Nuclear Blasts and Bombs

3. Radiation Emergencies 
    Preparing for a Radiation Emergency
    Sheltering in Place
    Evacuation
    People with Disabilities Preparations 
    Caring for Pets
    Precautions for Farmers
    Protective Equipment
    Planning Information
    Radiation Incidents Abroad
    Potassium Iodide
    Prussian Blue