National Radon 101

CHAPTER 1 - HEALTH RISK
Chapter 1 – Radon Overview
1 Topic
Chapter References
Ch. 1 Introduction to Radon and Its Health Effects
5 Topics
Introduction to Radon
History of Radon
Sources of Natural Radiation
The Discovery of Radioactivity & How to Measure It
The Discovery of Radium & Polonium
Radon Research
3 Topics
Miner Studies
Animal Studies
Residential Studies
Health Effects of Radon
6 Topics
Carcinogenic Health Effects
Risk Estimates
Radiation Exposure and Sources
Radon Risk by Occupation
The Tobacco Correlation
EPA Citizens Guide Risk Tables
Ethical Implications of Radon
3 Topics
Protecting Consumer Trust
Communicating Responsibly
Minimum Standards vs Best Practice
Chapter 1 Review & Quiz
1 Quiz
Chapter 1 Quiz
CHAPTER 2 - BASIC RADON SCIENCE
Chapter 2 Overview
1 Topic
Chapter References
Radon Physics
2 Topics
Elements
Atomic Structure
Radioactivity
4 Topics
Ionizing Radiation
Unstable Atoms
Radiation
Types of Radiation
Radioactive Decay
4 Topics
Radon Gas vs Radon Decay Products
Half-Life
Uranium Decay Chain
Radon Half Life Progression
Introduction to Measurement of Radon and its Decay Products
4 Topics
Radon Gas
Radon Decay Products
Factors that Affect the Ability to Measure Radon
Summary of the Progression of Indoor Radon
Chapter 2 Review & Quiz
1 Quiz
Chapter 2 Quiz
CHAPTER 3 - RADON ENTRY AND BEHAVIOR
Chapter 3 Overview
1 Topic
Chapter 3 References
Entry and Behavior of Radon in Indoor Air
5 Topics
How Radon Gets Indoors
Radon Sources
Source #1 – Radon from Radium in Soils and Bedrock
Source #2 – Building Materials
Source #3 – Radon in Water Sources
Transport Mechanisms – Forces That Move Radon Through Soil & Rock
4 Topics
Transport Mechanism #1 – Aquifer & Well Water
Transport Mechanism #2 – Concentration Gradient Diffusion (rock & soil)
Transport Mechanism #3 – Emanation from Building Materials
Transport Mechanism #4 – Pressure Driven Airflow
Pathways
3 Topics
Openings That Allow Radon into Homes
Radon Entry Through the Foundation
Additional Radon Pathways
Factors Affecting Indoor Radon Concentrations
3 Topics
Daily and Seasonal Variations in Radon Concentrations
Diurnal Cycles
Seasonal Variations
Chapter 3 Review & Quiz
1 Quiz
Chapter 3 Quiz
CHAPTER 4 - RADON MEASUREMENT
Chapter 4 Overview
1 Topic
Chapter 4 References
Introduction to Measurement & Measurement Units
2 Topics
The Purpose of Radon Measurements and Protocols
Measurement Units
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