V16 • I9 • OCTOBER 2021
Canadian Nuclear Laboratories
VOYAGEUR CNL COMPLETES REFUELING OF RMC SLOWPOKE-2 Work completed safely, extends operating life of research reactor by another 30 years Last month, CNL safely completed a project to refuel the Royal Military College of Canada’s (RMC) SLOWPOKE-2 nuclear reactor. As a low-power, self-regulating reactor, the SLOWPOKE-2 is used by RMC to produce neutrons for professional development and academic research, including nuclear and radiological forensic expertise, and rapid response capabilities for environmental and nuclear emergencies, primarily by the Department of National Defence and Canadian Armed Forces. As Canada’s national nuclear laboratory, CNL was uniquely positioned to complete all phases of the work, using Canada’s only team licenced by the Canadian Nuclear Safety Commission to maintain the reactor. Throughout the project, care was taken to ensure the safety of the workforce, protection of the environment, and security of the materials. “As an integrated organization, CNL has the necessary expertise in engineering, manufacturing, fuel development, physics, radiation protection, and certainly nuclear security, to conduct this work. I’m very proud of everyone who helped bring this project to a safe and successful conclusion,” commented Joe McBrearty, CNL President and Chief Executive Officer. “Having recently completed both decommissioning and refuelling activities for SLOWPOKE reactors in other jurisdictions, we were able to draw on that experience to safely complete this project for our customer.” While the on-site field work was conducted by CNL over a four-week period earlier this summer, the work began in 2019. The project included the planning and execution of work to remove the old reactor core from the federally-owned nuclear reactor, commission the reactor with a newly fabricated core manufactured at CNL’s Chalk River Laboratories campus, and transfer the spent core to a licensed nuclear waste management facility. Materials gathered from the spent reactor core will undergo further examination by CNL aiding in research which supports the continued safe operation of Canada’s nuclear fleet. “The fuel that powers this research reactor is unique, and required a very skilled team and sophisticated quality assurance program to manufacture,” explained Ali Siddiqui, Acting Head of CNL’s Advanced Reactors Directorate. “While a SLOWPOKE’s principle role is that of
CNL’s skilled team in reactor physics and fuels conducted the refuelling and commissioning phases of the RMC project.
a research reactor, CNL’s capabilities in prototype fuel development, fuel qualification and fabrication used in this project, are also in demand by small modular reactor (SMR) developers as the next generation of clean nuclear technology advances here in Canada.” Since the SLOWPOKE-2 reactor came online in 1985, it has been an essential tool for educating RMC students, military officers, faculty, and scholars from across the country, performing neutron radiography and activation analysis, and helping to position Canada as a global leader in nuclear science and technology. Today, students and researchers make use of the reactor every year, for education and research that further supports the activities and operations of the Canadian Armed Forces, Department of National Defence, the North Atlantic Treaty Organization, the Royal Canadian Air Force, Canadian Special Operations Forces Command, and the Navy’s Directorate of Nuclear Safety. Developed by CNL in the late 1960s, the Safe Low-Power ‘Kritical’ Experiment (SLOWPOKE) reactor is a low-power, compact core reactor technology that was designed for neutron activation analysis, trace radioisotope production and as a tool for teaching nuclear science and engineering. It is the only reactor in the world considered safe enough to be licensed for unattended operation. Eight SLOWPOKE reactors have been supplied by CNL to universities and research centres across Canada and in Jamaica, three of which are still in operation today.
WERE THEIR PREDICTIONS CORRECT? First series of tests of calandria tube rolled joint failure experiment complete In our Voyageur May 2020 issue, we detailed the experimental work that CNL’s Nuclear Safety Experiments branch was set to undertake as part of AECL’s Federal Nuclear Science & Technology (FNST) Work Plan to advance our understanding of a severe accident scenario in a CANDU® reactor. More specifically, the branch had designed some experimental tests to measure the maximum load that a calandria tube (CT) can support before it fails. The goal of these experiments? To fine tune computer codes to more accurately simulate core collapse scenarios. The design process included performing finite element
top of the fuel channels below and potentially initiating a cascade of successive failure events, not unlike a series of falling dominoes. This is a core collapse,” adds Lessard.
analysis simulations of the tube failure prior to the experiments. What was the outcome? Read on to find out!
and the material temperature have allowed the team to develop mathematical relationships between the strength of the CT and its temperature.
The experiment includes six test assemblies composed of a fulldiameter CT, flange and rolled joint, manufactured by CANDU Energy Inc. using the same materials and processes as those for reactor-grade components. For each test, an assembly was installed in a special test rig, heated to a set temperature and bent using a hydraulic cylinder. A load cell measured the maximum force applied to the CT, at the instant where it would buckle. “CTs are not intended to provide any structural support during the normal operation of a reactor,” notes Étienne Lessard, thermalhydraulics analyst and lead investigator. “However, in certain severe accident scenarios, the moderator (the heavy water surrounding the core’s fuel channels) may gradually boil-off and the top-most fuel channels may fail due to a lack of outer cooling, thereby falling on
?
The results so far? They almost matched their finite element analysis simulations - in particular, the rolled joint remained intact and the buckling of the tube occurred at the same location that had been predicted by the research team. Furthermore, the experimental measurements of the force, bending moment, deflection of the tube
This fall, the team will continue with the remaining three tests to further their work on fuel channel models to better predict the timing of the core disassembly in a postulated severe accident scenario. Future finite element simulations will investigate additional parameters affecting the CT strength, for example by simultaneously applying an axial stress on the CT or by adjusting the material properties due to irradiation, which increases the CT strength but reduces its ductility (a material’s ability to stretch). Of special note, the simulations were performed by Carol Song. Grant Young, Mason Britt, Nick Yashinskie, Vinson Gauthier, John Jackson, and Matt Dickerson provided technical assistance.
DID YOU KNOW ... The CT is a thin-walled tube and surrounds the thick-walled pressure tube that composes each fuel channel, alongside about 12 fuel bundles. Its primary purpose is to insulate the high-temperature coolant from the low-temperature moderator to reduce heat losses and increase reactor efficiency.
Earlier this year, CNL successfully fabricated FCM fuel pellets, an advanced and proprietary reactor fuel designed by USNC, as part of a project that was funded through CNRI
CNL ISSUES CALL FOR PROPOSALS FOR CNRI Collaborative research program designed to spur SMR and AR development CNL has issued a call for proposals for the third round of its Canadian Nuclear Research Initiative (CNRI) program. Launched in 2019, the CNRI program was established by CNL to accelerate the deployment of small modular reactor (SMRs) and advanced reactor (AR) designs, including next-generation on-grid reactors and fusion technologies. The deadline for this round of submissions is December 22, 2021, and projects will be selected in the spring of 2022. CNRI allows participants to optimize resources, share technical knowledge and gain access to CNL’s expertise and unique facilities to advance the commercialization of SMR and AR technologies in Canada. Due to the ongoing success of CNRI, CNL is also planning to expand the initiative in 2022 by launching a CNRI ‘health stream,’ which would invite organizations to submit research proposals related to health sciences, radiobiology and medical isotope technologies including targeted alpha therapy. “Here in Canada and around the world, it has become clear that nuclear energy must play a major role in the fight against climate change, in order to preserve the health and well-being of our environment,” commented Dr. Jeff Griffin, CNL’s Vice-President of Science & Technology. “To do so, we have to move swiftly to bring the next generation of nuclear reactors online, which is a comprehensive process that requires extensive research into the viability and safety of new SMR and AR designs. The CNRI program was designed to accelerate this process, and the consistent interest in the program has shown just how much it has been embraced by the international vendor community.” For the third intake, research proposals must align with topics that include advanced fuels, advanced materials and chemistry, reactor safety, and component development and testing. As in previous rounds, once a technical review of each proposal is completed, CNL will work with the proponent to develop a plan to establish the scope, budget, and deliverables for the project. CNL will complete a final evaluation of the proposed project plans before making the final selection and approval of successful applicants.
Since the CNRI program was launched in 2019, CNL has received applications from many of the world’s leading SMR vendors, and has gone on to participate in collaborative research projects with companies that include General Fusion, Terrestrial Energy, Kairos Power, Ultra Safe Nuclear Corporation, and Moltex. These projects have covered focus areas that include market analysis, fuel development and inventory management, reactors safeguards, and tritium management, among others. They have also enabled CNL to expand its capabilities into a number of promising new areas, including the development of tritium extraction technologies to advance fusion reactor designs, and the successful fabrication of advanced fuels for the first time in Canada. “What has been so exciting about the early success of the CNRI program, is that it not only gives SMR vendors access to CNL’s unique resources in order to advance their reactor designs, but it also encourages us to expand our own capabilities,” commented Lou Riccoboni, CNL’s Vice-President of Business Development. “This means we are continually pushing the boundaries of what’s possible in research related to advanced reactors and fuels, which positions us to better serve the needs of our customers and the broader nuclear industry. It is also one of the many reasons why we are planning to expand the program into health sciences.” In addition to the CNRI program, CNL is working to demonstrate the commercial viability of SMRs and ARs and to position itself as a global leader in prototype testing and technology development support. As part of the program, CNL issued an invitation in 2018 to SMR developers for the construction and operation of an SMR demonstration reactor at a CNL-managed site. At present, there are four proponents engaged in various stages of the process. CNL is also advancing the establishment of a Clean Energy Demonstration Innovation Research Park, which will provide opportunities for SMR and AR developers to demonstrate applications and integration methods for their technologies.
CNL's neutron detector set up at the Darlington power plant
CNL TESTS NOVEL SAFEGUARDS TECHNIQUE Neutron detector installed at Darlington to monitor reactor core replacement
It’s not every day that an entire CANDU® reactor core is replaced in one of Canada’s nuclear power stations. But just last year, that is what occurred at the Darlington power plant, where a core replacement was undertaken as part of a broader refurbishment of the reactor that had been years in the making. While nuclear safeguards research wasn’t likely top of mind for most people involved in that work, some employees in CNL’s Applied Physics branch saw an opportunity to determine whether their new safeguards technique could effectively monitor this unique event. You may recall from a series of Voyageur articles that CNL had discovered an exciting new application for neutron detectors which came to fruition in Building 145, home to CNL’s ZED-2 reactor. After
noticing elevated neutron count rates in their detectors that they couldn’t initially understand, researchers eventually realized the changes in count rate were connected to the operation of ZED-2 elsewhere in the building. They would go on to test this technology in NRU, and eventually Point Lepreau, gathering some promising data. Those results serve as strong evidence that the detectors are capable of accurately registering changes in the fuel inventory within these reactors. The capability to monitor the status and movement of nuclear fuel is of interest in safeguards, since it increases the capability to detect undeclared nuclear material in reactor facilities. With Darlington poised to refurbish and replace an entire reactor core in one of their units, CNL’s research team reached out to see
FD & ER UTILIZE DRONES FOR NRX WORK The Facilities Decommissioning and Environmental Remediation (FD & ER) team working in Building 100, NRX, recently completed novel field work at the CRL site. The team supported staff from the Mechanical Equipment Development (MED) branch during the first drone flight inside the facility as part of inspection work. The Flyability Elios 2 drone was purchased in early 2020 in order to overcome a lack of on-site capability to perform drone flights indoors. The NRX project team and MED began preliminary discussions to establish a work plan earlier this year; with a kick-off walk down in early June this year. The first drone flights were completed in July 2021 and were focused on the structural elements of the overhead crane inside the NRX reactor building. The measurement data collected is being used in conjunction with other scans to generate a comprehensive 3D model of the overhead crane for use in Finite Element Analysis (FEA). FEA is a computational tool that is used by engineers to predict how
parts of a machine will behave under different conditions. The results from this analysis will be used to support future decommissioning activities. A valuable purchase, some of the impressive features offered by the drone includes: • • • •
Confined space accessibility. The drone is designed for indoor use. A thermal camera, which enables the team to capture infrared, temperature gauging images for further analysis. 4k video capabilities, which creates high-definition, high-quality and more realistic images and video footage. A 10k lumen lighting package including oblique lighting capabilities, which results in more detailed images.
whether they could take advantage of that work to further evaluate their technique. CNL's proposed project was independent of the refurbishment, and was not requested by any regulatory body, such as the Canadian Nuclear Safety Commission (CNSC) or the International Atomic Energy Agency (IAEA). “In a core change like the one at Darlington, the fissile content in a CANDU® undergoes a very significant change upon reactor restart, moving from an inventory entirely made up of natural uranium to one with the presence of plutonium,” explained Bryan van der Ende, head of the Experimental Safeguards section in CNL’s Applied Physics branch. “So this provided us with a rare opportunity to see whether our technique could accurately measure this change in the inventory of the reactor.” As many employees probably already know, a CANDU® reactor core is made up of hundreds of fuel bundles. During routine operations, reactor operators maintain a specific inventory of uranium and plutonium within the core by replacing a small selection of spent fuel bundles with new fuel. This is known as an ‘equilibrium core’ – a stable level of nuclear fission where the average fissile content is carefully monitored and maintained. But during the Darlington refurbishment, all of the fuel bundles were replaced all at once, which is a unique event in the lifetime of a reactor.
Van der Ende and his team have been analyzing the results ever since then, and he explains that they are once again very promising. “The focus of our testing was to show how these detectors could follow the change in isotopic inventory, from the restart, to when the reactor achieves equilibrium,” he commented. “More specifically, we are measuring the neutron count rate, and seeing if the changes we see over time reflect the changes in uranium and plutonium content in the core. And it appears to have done that very accurately.” Overall, this means that you can monitor the changes in the isotopic inventory in a power reactor by capturing the changes in the neutron count rate, which is a measurement you can take with neutron detectors outside containment. In simple terms, it means that you don’t have to open up a reactor core to verify what is taking place within. As you can imagine, that is very useful from a safeguards perspective. While the data still needs further review and evaluation, the initial analysis has been summarized, and van der Ende tells us that these results were recently presented at the Annual Meeting of the Institute of Nuclear Materials Management, where it was very well received. The team is also looking to conduct further testing with the detectors, and has already lined up two reactors that will be examined in the near future.
“This refurbishment work has been underway for years, and it’s a really large project. In this case, they shut down Unit 2 of their fleet, pulled all of the fuel out, and did a complete refurbishment of the reactor,” added van der Ende. “This activity is necessary to extend the operating life of the reactor, and it’s not something you do very often – this is the first time it’s ever been done at Darlington. So, you can appreciate that this is a rare opportunity to see how this monitoring technique can perform during the changeover.”
“We’re not quite done our testing yet. We are going to further evaluate this technique at two research reactors – one at McMaster University, and the SLOWPOKE reactor at the Royal Military College of Canada (RMC), which CNL actually just refuelled,” explains van der Ende. “Both of these projects are being carried out under collaborative research agreements, and we’ll be involving graduate students in the research. And, hopefully they will continue to demonstrate the effectiveness of this technique as a safeguards tool.”
According to van der Ende, the monitoring was initiated before the pandemic, and the CNL team returned from setting up the neutron detectors at Darlington just before the first COVID-19 lockdowns began in Ontario. As part of the campaign, the researchers set up two separate detectors within the reactor halls, but outside of the reactor containment structure. The detectors were set up at two different distances from the reactor – 30 metres and 40 metres away – and then put into operation before the core of Unit 2 went critical, for the ensuing nine months.
Once complete, the research team plans to consolidate their results into a paper that they hope to publish in a scientific journal. But for now, the data analysis and testing continues, as they work to gather even more evidence that this technique is a potential tool in Canada’s nuclear safeguards toolbox.
• • • • • •
Van der Ende and his team would like to acknowledge the financial support provided through Atomic Energy of Canada Limited’s (AECL) Federal Nuclear Science and Technology Work Plan.
Live video streaming. Streamlined data management. Inspector 3 post processing software tool which allows for added functionality post flight Measurement and zoom capabilities Flatten and undistort fisheye lens videos Identify points of interest Generate inspection reports
The Elios 2 is also one of the few drones that is licensed to fly overhead of people, decreasing the limitations of when drone flights can be performed. Future flights will target the steam system during the winter months to make use of the thermal imaging feature as part of scoping activities; ventilation inspections and further structural inspections are also on the horizon. FD & ER will continue to collaborate with and work alongside the MED branch to further investigate elusive areas, creating more efficient work plans for future decommissioning work inside the NRX reactor building, and paving the way for forthcoming FD & ER projects.
Elios 2 drone
CNL PAPER SHEDS LIGHT ON CANCER RATES New study helps researchers better predict incidence rates for different forms of cancer
The British researcher, Sir Richard Doll, may not be well-known outside of academic circles, however he is one of the most distinguished medical epidemiologists in history. In addition to pioneering work on the relationship between radiation and leukaemia, asbestos and lung cancer, and alcohol and breast cancer, Dr. Doll is credited as the first person (alongside Sir Austin Bradford Hill) to prove that smoking increased the risk of lung cancer and heart disease. Here at CNL, one our own employees, a Health Physicist also named Richard – Richard Richardson – had the good fortune to liaise with Dr. Doll when he was a young researcher studying the induction of leukaemia in the United Kingdom. So, it is an interesting twist of fate that our own Richard recently applied Dr. Doll’s multistage theory of carcinogenesis – known as the Armitage-Doll model – as part of a scientific paper that sheds new light on cancer incidence rates. “Yes, when I was a young researcher, I actually had several opportunities to discuss my research with Richard Doll,” explained Richardson. “He was quite elderly at that time, and a real ‘gentleman and a scholar.’ It was obviously a professional thrill for me given the focus of my research on residential radon and leukaemia at the time. And, of course, here we are all these years later and I am using his multistage model, in combination with the senescence model of Pompei and Wilson (2001), in my own research here at CNL.” That research studies the age-dependent incidence rates of various cancers, and forms the basis of a scientific paper that will soon be published in the prestigious journal, Aging. Richardson, who works in CNL’s Radiobiology and Health branch, collaborated with Catalina Anghel and Dennis Deng from CNL’s Computational Techniques branch, to apply the multistage-senescence model using cancer statistical data from the United States that was accessed through the Surveillance, Epidemiology, and End Results (SEER) program and the U.S. Census, for people from 15 to over 110 years old. Richardson said that there are differences in the number of carcinogenic stages, depending on the type of cancer you are studying. Some cancers have fewer stages (such as thyroid carcinoma) and will peak earlier with respect to the average age of an individual, while others have more stages (such as bladder cancer) and can take longer to progress. Generally, these complex cancers are much more prevalent in people at a very advanced age. “What we’ve done here in this paper, for the very first time I believe, is that we are now able to predict what the basic incidence levels are for different forms of cancer,” explains Richardson. “Cancer is very closely associated with age – as you would expect, the risk of getting cancer increases as you get older. But there are other factors as well, including the number of stages and what is known as the stage transition rate, all of which contribute to a cancer’s incidence rate.” According to the study, while U.S. cancer incidence rates increase with age, and complex cancers actually peak between the ages of 80 and 90, they plummet dramatically afterwards. In other words, if you live to be 100 years old, it’s unlikely that you would actually pass away from cancer. So while we are more susceptible to cancer as we age, after a certain point, the risk of cancer moves to near zero in the very elderly.
Sir Richard Doll
The findings also show that the pace of tumor suppression appears to be synchronized across most types of cancer during both early adulthood and senescence, which is the process of deterioration of the body that accompanies aging. Richardson explains that a better understanding of evolutionary tumor suppression could potentially help reduce cancer rates in the future. Finally, the study also offers insight into the role that radiation plays in cancer development. “One of the main theories about how radiation induces cancer, is that it occurs through DNA mutations,” commented Richardson. “What we’ve shown through this research is that mutational cancer driver genes, which are the main genes that advance carcinogenesis, only make up approximately one third of the cancer stages. So we want to understand whether this is also the case for radiation-induced cancers, and I suspect that it will be.” More specifically, CNL wants to understand the role that radiation plays in creating excess cancers in the populations exposed at work, during space travel and from diagnostic and therapeutic radiology. Richardson believes that the model helps us understand that, suggesting that other DNA damage – in the form of inflammation and epigenetic changes to DNA in the course of a person’s lifetime – are likely to have a considerable impact on radiation-induced cancer. So, what’s next? “This study positions us to better understand radiation-induced cancers, but also cancer development due to smoking, and the Li-Fraumeni syndrome, which is a hereditary disorder that is characterized by an increased risk for certain types of cancer,” concluded Richardson. “So, we hope to learn more about these conditions and relationships as they relate to development and progression.” It certainly sounds promising, and can hopefully lead to an even deeper understanding of different types of cancers, something that is important if we hope to win the fight against them. Thanks to Richardson for telling us more about this work, and we will update you as the team continues to build on the current findings.
WHAT'S HAPPENING INSIDE BUILDING 250? Key enabling activities within B250 have been successfully completed by FD & ER team The Facilities Decommissioning and Environmental Remediation (FD & ER) team has completed a few key enabling activities within Building 250 (B250). Asbestos siding removal on the south side of the exterior building continues; along with this, the following work has been completed or is currently ongoing inside B250:
GLOVEBOX 1 REMOVAL PROJECT The team began this project last fiscal year in December, and the project concluded earlier than scheduled in late July after four detailed and comprehensive work plans were safely and successfully completed. Phase three of the project was completed in early July, with the high hazard internal components removed marking the completion of the milestone. Following this, the Temporary Ventilated Enclosure (TVE) built around the glovebox was dismantled and removed in preparation for phase four of the project. During the final phase of the project, the team isolated the upper and lower glove boxes from the exhaust ventilation ducting, size reduced the glovebox shell in order for the waste to meet the acceptance criteria (Low Level Waste) of the Waste Management Area, and permanently shut down the exhaust system that was connected to the glovebox. All that remains is the footprint of where the glovebox once stood. Room 245 that once housed both Glovebox 1 and Glovebox 2 is now empty. Any nuclear materials from the glovebox that were not deemed waste was transferred to Building 215, the new Tritium Facility, under a new work plan.
HOT CELL FACILITY WASTE PROJECT The team has progressed well on the Hot Cell Facility glovebox removal project. Waste from the glovebox has been removed and Radiation Protection (RP) staff have decontaminated the glovebox using Decon Gel. During the course of decontamination activities, staff discovered that the ventilation into the glovebox was negatively impacting the project as increased contamination levels were measured even though several coatings of Decon Gel were applied to the surfaces. Upon further investigation, the transfer port into the glovebox was confirmed to be the cause of the issue, and was subsequently safely sealed. Upon completion, with the diligent and hard work of RP staff, contamination levels were successfully reduced to a more manageable level to enable further decommissioning
activities and the eventual dismantling of the glovebox. With the first phase completed, the team will begin phase two once the work plans have been finalized and approved. The team shifted focus and waste remediation from the Hot Cells began in early August following the development of the first of three work plans. Loose waste items and the two furnaces from Hot Cell 3 have been safely removed, packaged and stored. Waste removal from Hot Cell 4 is currently ongoing. Phase two and three will begin following the completion of Phase one and once the work plans have been developed and approved.
ASBESTOS ABATEMENT (INTERIOR) Asbestos abatement on the north side of the building has been safely completed by an external contractor. Work has now shifted to the central building and will continue into the fall of this year.
SOUTH TOWER ACTIVE DRAIN LINE The south tower active drain line characterization activities has been safely completed. The team is currently dismantling the Temporary Ventilated Enclosures that were installed and will perform a final cleanup of the work area. The samples are being sent off site for analysis and the results will help guide the future decommissioning work and removal of the active drain lines in the south tower. All of the lessons learned from the south tower campaign will be applied to the north tower active drain line characterization work that is planned for next year.
SYSTEMS, SERVICES & COMPONENTS The team has completed the decommissioning and dismantlement of the CANDU Decon Test Loop 3 (CDTL 3) system. The equipment was formerly used during experiments with hydrogen. A detailed and comprehensive work plan was followed to disconnect the large array of interconnected lines on the system before the structure was size reduced and packaged for transfer to the Waste Management Areas. The small project was completed earlier this year, and the team has shifted focus to do the same with the CDTL #2 Loop System.
OVER 90 IDEAS TOTALLING $1.2 MILLION! Thank you to everyone who submitted ideas for CNL's 2021 Crowdfunding program. During the submission window, we received over 90 ideas that totalled approximately $1.2 million. Competition is surely going to be tight!
The investment period is now open. Please log in to the program website using your CNL network credentials, and select how you'd like to spend your funds, which will be automatically added to your account. Good luck!
NEW FACES: 2021 AUGUST Kaler, Prabhjot MECHANICAL DESIGN TECHNOLOGIST Rutledge, Aidan R&D TECHNOLOGIST Bergum, Kalvin MATERIALS SCIENCES TECHNOLOGIST Nichiporick, Sharon DECONTAMINATION WORKER Gagawchuk, Noah DECONTAMINATION WORKER Dudley, Benjamin RADIATION SURVEYOR TRAINEE Sage, Katherine ADMINISTRATIVE ASSISTANT Lavigne, Lee CARPENTER Ayotte, Amy-Jessica PROJECT MANAGER Borne, Alicia DOCUMENTS CONTROLLER Iles, Jeffery TRAINING CONSULTANT Lair, Pauline CONTRACT OFFICER Karlowsky, Kaycee DECONTAMINATION WORKER Gowryluk, Robert UTILITY PERSON Trzebiatowski, Frank PLANNING MANAGER Schweinberger, Alex ENVIRONMENTAL TECHNOLOGIST Monico, Robert ENVIRONMENTAL SERVICES COORDINATOR Borgford, Peter DRIVER Adams, James FIELD SERVICES ASSISTANT Bucknor, Peter MECHANICAL ENGINEER Fitzpatrick, Michael OSH SPECIALIST Archard, Rosemary DECOMMISSIONING SPECIALIST St. Michael, Todd UTILITY WORKER Gimson, Krista PERSONNEL SECURITY OFFICER Wise, Steven DECOMMISSIONING FIELD SPECIALIST Yutronkie, Craig ELECTRICIAN
Voyageur is a publication of the Corporate Communications department of Canadian Nuclear Laboratories. Comments and content are welcomed at philip.kompass@cnl.ca. Additional contributors to this issue include Richard Richardson, Antonette Chau, Bryan van der Ende, Étienne Lessard, Joe McBrearty, Jeff Griffin, Lou Riccoboni and Ali Siddiqui