Radiation Security Workplace
Introduction
Calcium-45 is a generally used radionuclide with a half-life of 165 days, emitting solely beta particles with a most vitality of 0.252 MeV (Million Electron Volts) and a mean vitality of 0.075 MeV. The beta particles from Ca-45 journey a most of 61 cm in air. See chart beneath for the decay price info for Ca-45.
Considerations
The most important concern with utilizing Ca-45 is that it can’t be simply monitored throughout it is use, due to this fact, particular precautions are wanted to maintain the work atmosphere clear. The common use of wipe testing is the one technique to insure that your work house is just not contaminated. Contamination on the pores and skin is not going to possible trigger a big dose to the pores and skin, nevertheless, it might result in the inner absorption of Ca-45. The ingestion ALI is 2 millicurie.
Shielding
Glass and plastic are the most effective shields for beta particles from Ca-45.
Detection – “calcium 45”
A tiny drop of contamination from Ca-45 could be simply detected with a wipe check from a Liquid Scintillation Counter. Most Geiger Counters is not going to effectively detect the presence of Ca-45.
Gear / Provides
The next gear and provides should be out there:
Security Guidelines
If the next security precautions are used, personnel radiation publicity will probably be as little as moderately achievable.