Association of Professional Archaeologists

~  A.E. Lalonde C14 Lab (uOttawa)  ~

A.E. Lalonde has partnered with APA and is helping support APA's radiocarbon date award program.  With both analytical capabilities and training opportunities at their facility, A.E. Lalonde is an excellent local resource for Ontario's archaeologists.  Visit their website.


Introducing the AEL Webinar Series

The AEL AMS Laboratory in conjunction with our User Committee will be hosting monthly seminars starting in February 2021!

To show our dedication to the education of next generation environmental scientists, we will be offering an honorarium to any early career researcher who participates in our webinar series.

What can you expect?

  • Learn about our analytical capabilities
  • Discuss applications for your radioisotope of interest
  • Hear from experts about how they are using our facility

The next webinar will take place on 
Tuesday April 20th, 2021, 12:00 - 13:30 EDT

 Radioactivity in the Environment

Visit the website for abstracts and more details. Register here by April 18th midnight.

Feb 23/21: Dr. John Smith and Dr. Matthew Herod discussing applications of Iodine-129.*

* webinar recording and transcript are available for download -- visit the webinar website


AEL-AMS Lab e-Newsletter April 2021 includes:

  •  The Noble Gas Laboratory at AEL AMS -- The Noble Gas Laboratory at the AEL-AMS facility is relatively young which has allowed us to take advantage of the newest technologies. We operate two instruments for noble gas (NG) analysis, the Thermo Helix SFT and the Thermo Helix MC.  Read more...
  • Archaeology Close to Home: The Lake Leamy Archaeological Site -- Most residents of Ottawa and Gatineau are not aware of the history being unearthed in their own backyard. Each summer, thousands of artifacts are discovered along the shores of the Ottawa River by a team of archaeologists from the National Capital Commission (NCC). The NCC manages 24 sites that reveal the long history of First Nations in the area.  Read more...
  • Early Career Researcher: Marisa Dusseault 


Ratification of new calibration curves:

from the Radiocarbon Team at the AEL-AMS Lab, dated February 4th, 2021

As you may have heard, or noticed in your reports as of late, the international radiocarbon community has officially ratified the new calibration curves: IntCal20, SHCal20, and Marine20. 

Wondering how this may affect your radiocarbon dates?

For the majority of the Holocene there will be little change, but you will want to update your data tables with IntCal20 calibrations and references. To assist with this, we have created a quick guide to calibration (available here). 

For questions, tricks, troubleshooting, and more, please contact Carley: carley.crann@uottawa.caThe 2020 calibration issue of Radiocarbon is open source and can be found here:

On a more somber note, the radiocarbon community is sad to report the passing of Prof. Minze Stuiver (U of Washington).

The Radiocarbon Team, AEL-AMS Laboratory


Client survey on the impact of COVID-19 on research plans:

The AEL AMS Laboratory is inviting our clients to take part in a voluntary survey to help us better understand how COVID-19 is impacting their research plans and need for analytical services.


Note about services, dated June 1, 2020:

Resuming Operations -- 

As the province starts to loosen COVID-19 related restrictions, the University of Ottawa has put in place a plan to gradually resume operations in its research laboratories. The AEL AMS Laboratory will be resuming operations in a limited capacity as of June 1, 2020.

Please contact us BEFORE shipping any samples and include tracking numbers in your correspondence. To maintain a safe and healthy environment for our personnel, lab capacity has been limited and processing times may be longer than usual.


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