Quality Assurance Control Procedures

Quality Assurance and Control Procedures for Area Dosimeters Developed for a Shielding Integrity Survey.  A. Arndt and R. Brey (Idaho State University, Health Physics Program, Campus Box 8106, Pocatello, ID 83209)

A QA/QC program based on current literature is being developed for in-house work area monitoring using TLDs.  This program is being developed specifically for a detailed shielding integrity survey at the Idaho Accelerator Center located in the Idaho State University (ISU) Research and Business Park.  Thermoluminescent dosimetry (TLD) is widely used for personal dosimetry and for work area and environmental monitoring.  Dosimetry measurements are an important component of radiation protection programs and must be of high quality.  To ensure accurate and reliable measurements, quality assurance/quality control (QA/QC) procedures must be established reviewed and followed.  Dosimetry performance tests and QA procedures are outlined in documents such as ANSI N13.11 and 10 CFR830:122.  The ISU QA/QC program will include calibration of the TLD reader (ALNOR TLD Dosimetry System v.2.3) using NIST traceable radiation standards and annealing and sensitivity checks for the dosimeters.  The TLD reader’s operating parameters will be controlled with internal checks creating constant measurement conditions.  Overall system performance will be assessed using control dosimeters exposed to known amounts of radiation.  Personnel who operate the system will be trained and qualified and actions will be documented.

For More Information Contact:

ISU Environmental Assessment Laboratory
Campus Box 8106, Pocatello, ID 83209
Tel: 208-282-2667
FAX: 208-282-4649
Internet: brey@physics.isu.edu

Send mail to legli@physics.isu.edu with questions or comments about this web site.
Last modified: June 26, 2001