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!

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

Our first webinar will take place on 

Tuesday February 23, 2021
12:00 - 13:30 EST

Featuring Dr. John Smith and Dr. Matthew Herod discussing applications of Iodine-129.

Visit the website for abstracts, more details and to register:


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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