What's advantages and disadvantages of extremity dosimetry (tld ring badge)?

Answer and Explanation:

The advantages and disadvantages of Extremity Dosimetry (TLD ring badge) are listed below:

Advantages of Extremity Dosimetry:

TLD or Thermo Luminescence Dosimeter are not altered by changes in temperature, pressure and moisture content.These can be to measure doses over periods of about three months.These are highly sensitive and are compact.

Disadvantages of Extremity Dosimetry:

TLD or Thermo Luminescence Dosimeter are sensitive to Ultra Violet light exposure. Thus needs to protected by making use of light tight badges.Reading must be recorded carefully otherwise false reading might get recordedReading out process can be done once only since it eliminates the dose effect.

Alkaline earth metals are found in group 2 of the periodic table.