My review [post]

2020 unpublished
This paper presents an evaluation of the ECT9 separation protocol for the measurement of radiocarbon in OC and EC. Radiocarbon measurements of OC and EC in carbonaceous aerosols provide a powerful tool for understanding the sources of these materials. Overall, the authors do an excellent job of describing the method, conducting the critical tests for validating the radiocarbon measurements, and comparing it to other standard methods currently in use. I recommend accepting the paper for
more » ... paper for publication with minor revisions noted below. Instead of using the term "FM14C", I recommend using the term "F14C" as recommended by
doi:10.5194/amt-2020-201-rc1 fatcat:ecq2ywhfyrgcrdsvyk6x7toyfu