Experiments With Radioactive Samples at the Advanced Photon Source


V. R. Veluri, A. Justus, B. Glagola, A. Rauchas, J. Vacca


The Advanced Photon Source (APS) at Argonne National Laboratory is a national synchrotron-radiation light source research facility. The 7 GeV electron Storage Ring is currently delivering intense high brilliance x-ray beams to a total of 34 beamlines with over 120 experiment stations to members of the international scientific community to carry out forefront basic and applied research in several scientific disciplines. Researchers come to the APS either as members of Collaborative Access Teams (CATs) or as Independent Investigators IIs). Collaborative Access Teams comprise large number of investigators from universities, industry, and research laboratories with common research objectives. These teams are responsible for the design, construction, funding, and operation of beamlines. They are the owners of their experimental enclosures ("hutches") designed and built to meet their specific research needs. In the past two years, over 2000 individual experiments were conducted at the APS facility. Of these, about 60 experiments involved the use of radioactive samples, which is less than 3% of the total. However, there is an increase in demand for experiment stations to accommodate the use of radioactive samples in different physical forms embedded in various matrices with activity levels ranging from trace amounts of naturally occurring radionuclides to MBq (mCi) quantities including transuranics. This paper discussed in some detail the steps in the safety review process for experiments involving radioactive samples and how as low as reasonably achievable (ALARA) philosophy is invoked at each step and implemented.


This abstract was presented at the 34th Annual Midyear Meeting, "Radiation Safety and ALARA Considerations for the 21st Century", Poster Session, 2/4/2001 - 2/7/2001, held in Anaheim, CA.

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