Based on the pooled standard deviation of replicate samples collected in the field on P02W_2022, we estimate the accuracy of the measurements at +- 2.78 permille for Delta 14C values (26 measurements on 17 pairs).

In the resubmitted 14C dataset, a flag of 11 identifies a replicate sample from which the replicate average (flag 6) is computed.

At stations 43 and 80 there were duplicates where one of samples was flagged '3' or '4'.  The 'good' replicate (flag '2') is listed last in both cases.

-Roberta Hansman, Kathy Elder (WHOI- NOSAMS), and Rolf Sonnerup (U. Washington), Nov. 26 2025