Position Description

2019 Summer Student - Bioassay Lab Technician
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Canadian Nuclear Laboratories is  bringing together the finest minds to form a diverse, vibrant and dynamic workforce culture energized by the innovative capacity of students, new graduates and mid-career professionals, underpinned by senior world renowned experts. We hire numerous students each semester from colleges and universities to support our research and perform other assignments. If you are looking for interesting and challenging work this summer then keep reading, and if you meet the requirements of this role, apply today.


Department:  CRL Dosimetry Services

Number of Positions: 1

Duration: 4 month

Discipline: Chemical Technology/ Medical Technology/ Biotechnology

Location: Chalk River 



All students applying for student positions at CNL must be returning to full-time studies upon completion of their work term. Exceptions will be made for students who require a work term in order to graduate. 

This site has no public transportation access.  Students must have access to reliable transportation.



The Bioassay Lab, as part of the Internal Dosimetry Service at the Chalk River Laboratories (CRL), conducts analyses of biological samples (typically urine and nasal swipes) to monitor workers for radionuclide intakes.  This position involves the performing chemical isolation of the radionuclides according to defined procedures, and the analysis of air filters.   The samples are analyzed using sensitive instrument systems for the detection of low-level radioactivity (alpha-beta gas proportional counters, liquid scintillation counters and gamma detectors).  This position will involve the receipt of samples into a database, working in a chemistry laboratory and with nuclear instrumentation.  The work will require interfacing with other groups to obtain the necessary information or to request sample re-tests.   The Internal Dosimetry Services is a team environment, and operates under a rigorous quality control program.



 • Analysis of bioassay (urine) samples; analysis of air filters

• Using a database to record the receipt of samples, sample results and verification steps

• Maintain chain-of-custody for samples and sample results

• Interface with CNL workers regarding sample submissions and missing information

• Complete Radiation Protection (Group 3) Training



•  At least 18 years old, so that Nuclear Energy Worker (NEW) status applies

• Chemistry background at the post-secondary level, including lab courses in a chemistry environment

• Must work in a safe manner; including wearing personal safety equipment, and maintaining workplace safety and workplace cleanliness

• Ability to transfer data accurately, with verification of own work

• Attention to detail

• Confidentiality and must be able to handle sensitive information


CNL has an Employment Equity Program and encourages applications from women, Aboriginal Peoples, visible minorities and persons with disabilities.



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