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under the direct supervision of IAEA. This department is responsible for the following duties
Background
Dosimeters as essential tools for measuring radiation in laboratories, hospitals, and industry, must be calibrated against a national standard to align with the International System of Units (SI). Such calibration ensures consistent and accurate radiation dosimetry, which is crucial in diverse applications, including cancer radiation therapy. Accurate dosimetry is also vital for optimizing radiation imaging in diagnostic radiology and nuclear medicine, as well as for safeguarding staff, patients, and the public from radiation exposure. Achieving accurate radiation dosimetry depends on calibrated dosimeters application. These measurements are traceable to the standards established by Primary Standards Dosimetry Laboratories, which calibrate reference dosimeters used by Secondary Standards Dosimetry Laboratories. These secondary laboratories, in turn, calibrate the dosimeters used by end users, such as hospital staff, establishing a critical traceability chain.
Who We Are?
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The Secondary Standard Dosimetry Laboratory (SSDL) of Iran, established in 1991, starts under the direct supervision of the International Atomic Energy Agency and the World Health Organization (IAEA/WHO SSDLs Network). Located initially at Karaj Agricultural & Nuclear Medicine Research Center, which is called now Alborz Health and Agriculture Research Center. The laboratory comprises several specialized departments:
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Therapy Level Laboratory
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Protection Level Laboratory
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Diagnostic Level Laboratory
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Nuclear Medicine Laboratory
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Research and Development in Dosimetry Laboratory
As an accredited center, the SSDL of Iran specializes in the calibration of radiation measurement instruments, covering radiation therapy Linac dosimetry and quality control of activity measurement instruments (dose calibrators) used in nuclear medicine centers nationwide. Its mission is to deliver dosimetry and calibration services of the highest quality, in line with international standards, to users of ionizing radiation across Iran.
Serving as a critical link in the traceability chain, the SSDL connects the IAEA’s dosimetry laboratory with local radiation users, ensuring international standards are met. It also contributes to global standards by participating in international dosimetric comparison programs at both protection and therapy levels, allowing for the evaluation of measurement discrepancies and uncertainties. Additionally, it is responsible for submitting an annual report of its activities to the IAEA.
During its tenure as a member of the global network of Secondary Standard Dosimetry Laboratories (SSDLs), the SSDL of Iran has consistently demonstrated reliable results in international dosimetry comparison tests organized by the International Atomic Energy Agency (IAEA). The data reported by the laboratory were within the permissible deviation limit set by the IAEA (less than ±3.5%), confirming the high quality of its dosimetry and calibration services.
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Our Strategy to Achieve Excellence
We invest in both people and places to ensure that our laboratory is recognized as an exceptional workplace. This strategy also fosters opportunities to spread metrology expertise throughout Iran. As Iran’s National Metrology Institute, the SSDL upholds the national secondary measurement standards and fortifies a robust metrology capability essential for Iran’s enterprises. Our advice remains always impartial and independent, enabling consumers, investors, policymakers, and entrepreneurs to depend on the accuracy and reliability of our work.
The SSDL strives to make accessing calibration services as straightforward as possible for our clients. Our dedicated team ensures optimal response and turnaround times. We are uniquely positioned to facilitate direct access for our customers to our measurement experts, who assist in clarifying calibration needs and interpreting results.
Guidelines and Standards
We adhere to international dosimetry and calibration guidelines and standards for X and gamma rays at therapy, protection, diagnostic levels and nuclear medicine. These include IAEA guidelines TRS-398, TRS-483, TRS-469, TRS 374, SRS-16, TRS-457, and TRS-454, as well as relevant ISO standards, ICRU, ICRP, NCRP, AAPM documents.
Background
Dosimeters as essential tools for measuring radiation in laboratories, hospitals, and industry, must be calibrated against a national standard to align with the International System of Units (SI). Such calibration ensures consistent and accurate radiation dosimetry, which is crucial in diverse applications, including cancer radiation therapy. Accurate dosimetry is also vital for optimizing radiation imaging in diagnostic radiology and nuclear medicine, as well as for safeguarding staff, patients, and the public from radiation exposure. Achieving accurate radiation dosimetry depends on calibrated dosimeters application. These measurements are traceable to the standards established by Primary Standards Dosimetry Laboratories, which calibrate reference dosimeters used by Secondary Standards Dosimetry Laboratories. These secondary laboratories, in turn, calibrate the dosimeters used by end users, such as hospital staff, establishing a critical traceability chain.
Who We Are?
- The Secondary Standard Dosimetry Laboratory (SSDL) of Iran, established in 1991, starts under the direct supervision of the International Atomic Energy Agency and the World Health Organization (IAEA/WHO SSDLs Network). Located initially at Karaj Agricultural & Nuclear Medicine Research Center, which is called now Alborz Health and Agriculture Research Center. The laboratory comprises several specialized departments:
- Therapy Level Laboratory
- Protection Level Laboratory
- Diagnostic Level Laboratory
- Nuclear Medicine Laboratory
- Research and Development in Dosimetry Laboratory
As an accredited center, the SSDL of Iran specializes in the calibration of radiation measurement instruments, covering radiation therapy Linac dosimetry and quality control of activity measurement instruments (dose calibrators) used in nuclear medicine centers nationwide. Its mission is to deliver dosimetry and calibration services of the highest quality, in line with international standards, to users of ionizing radiation across Iran.
Serving as a critical link in the traceability chain, the SSDL connects the IAEA’s dosimetry laboratory with local radiation users, ensuring international standards are met. It also contributes to global standards by participating in international dosimetric comparison programs at both protection and therapy levels, allowing for the evaluation of measurement discrepancies and uncertainties. Additionally, it is responsible for submitting an annual report of its activities to the IAEA.
During its tenure as a member of the global network of Secondary Standard Dosimetry Laboratories (SSDLs), the SSDL of Iran has consistently demonstrated reliable results in international dosimetry comparison tests organized by the International Atomic Energy Agency (IAEA). The data reported by the laboratory were within the permissible deviation limit set by the IAEA (less than ±3.5%), confirming the high quality of its dosimetry and calibration services.
Our Strategy to Achieve Excellence
We invest in both people and places to ensure that our laboratory is recognized as an exceptional workplace. This strategy also fosters opportunities to spread metrology expertise throughout Iran. As Iran’s National Metrology Institute, the SSDL upholds the national secondary measurement standards and fortifies a robust metrology capability essential for Iran’s enterprises. Our advice remains always impartial and independent, enabling consumers, investors, policymakers, and entrepreneurs to depend on the accuracy and reliability of our work.
The SSDL strives to make accessing calibration services as straightforward as possible for our clients. Our dedicated team ensures optimal response and turnaround times. We are uniquely positioned to facilitate direct access for our customers to our measurement experts, who assist in clarifying calibration needs and interpreting results.
Guidelines and Standards
-
We adhere to international dosimetry and calibration guidelines and standards for X and gamma rays at therapy, protection, diagnostic levels and nuclear medicine. These include IAEA guidelines TRS-398, TRS-483, TRS-469, TRS 374, SRS-16, TRS-457, and TRS-454, as well as relevant ISO standards, ICRU, ICRP, NCRP, AAPM documents.