Model 3430 Plus & 3440 Plus
RADIATION THEORY AND SAFETY
This appendix is required reading for anyone who will use the
Troxler Model 3430 Plus and 3440 Plus Surface Moisture-Density
Gauges. This appendix covers topics related to radiation theory and
the safe operation of the gauge. A brief overview of the regulatory
requirements related to the ownership and use of the gauge, as well
as a listing of radiation safety-related warnings and cautions, is
included.
CONTENTS
Radiation Theory ......................................................................... A–2
Atomic Structure ................................................................... A–2
Radioactivity ......................................................................... A–3
Types of Radiation ................................................................ A–4
Radiation Safety ........................................................................... A–5
Radiation Dose ...................................................................... A–5
Limiting Exposure ................................................................. A–6
Personnel Monitoring ............................................................ A–8
Source Encapsulation ............................................................ A–8
Source Rod Inspection .......................................................... A–9
Daily Inspection .................................................................. A–10
Cleaning the Tungsten Block .............................................. A–11
Leak Testing ........................................................................ A–13
Regulatory Requirements .......................................................... A–14
Licensing ..............................................................................A–14
Training ............................................................................... A–14
Disposal ............................................................................... A–15
Emergency Procedures ........................................................ A–15
Gauge Use Precautions .............................................................. A–17
Radiation Profile ........................................................................ A–18