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The LANL model 8823 whole-body TLD and associated dose algorithm.
1Los Alamos National Laboratory, Health Physics Measurements, NM 87545, USA. hoffjeff@lanl.gov
Health Physics
|October 20, 1999
Summary
The Los Alamos National Laboratory Model 8823 whole-body TLD accurately estimates radiation doses from beta, photon, and neutron sources. This accredited dosimeter provides reliable measurements for various radiation conditions and reporting depths.
Area of Science:
- Health Physics
- Radiation Detection and Measurement
Background:
- Accurate radiation dosimetry is crucial for occupational health and safety.
- Existing dosimetry systems face challenges in precisely measuring mixed radiation fields.
Purpose of the Study:
- To describe the design and capabilities of the Los Alamos National Laboratory Model 8823 whole-body TLD.
- To detail its performance in estimating dose equivalents for beta, photon, and neutron radiation.
Main Methods:
- The Model 8823 TLD design isolates responses from different radiation types.
- A dose algorithm adjusts elemental readings for accurate dose estimation.
- Performance is validated against Department of Energy accreditation standards.
Main Results:
- The dosimeter is accredited for all performance testing categories.
- It provides dose estimates for shallow (7 mgcm-2), lens-of-the-eye (300 mgcm-2), and deep (1,000 mgcm-2) dose equivalents.
- The system is capable of measuring across various radiation energies and field types.
Conclusions:
- The Model 8823 TLD offers accurate dose assessment for mixed radiation environments.
- Its design and algorithm enable reliable estimation of required reporting quantities.
- The dosimeter meets stringent accreditation requirements for external dosimetry.