We would like to let you know about a new effort to organize an international seawater DI¹⁴C comparison exercise the immediate need for which was recognized by the participants at the recent Carbon Isotope in the Ocean workshop, sponsored by US Ocean Carbon & Biogeochemistry. If this of interest to you or your group, please fill out a short form (https://forms.gle/L9YrmtahxXBBCivE9) in order to help the organizers find out how many laboratories would like to be involved in such an exercise. 

Please fill out this form by February 11, 2022. Thank you!

On behalf of: Ann McNichol (WHOI, USA), Bob Key (Princeton University, USA), Roberta Hansman (WHOI/NOSAMS, USA), Rolf Sonnerup (University of Washington, USA)