I know you asked for Amanda Mary's comments, and she will be more than happy to share hers.
I'll give you the history from this forum. My understanding from Jim Humble's emails and comments is that 24 drops equals 1mL. (and I know the OLD bottles, green and blue, frequently did 17 drops per mL) -
When we first started working with MMS and CDS, members of the forum were particularly interested in tying down how to KNOW the CDS was "good enough" or equal to the MMS - in the early YTs, it seemed a little vague, and there were people who were really sick who wanted information. JH's response was that we needed to have 8ppm was the equivalent to 1 drop of MMS. This would make 24ppm in a 4 0z d0se the equivalent of 3 drops of MMS. The early providers of CDS then standardized their dosing to 3000ppm/L, so that 1mL would be the equivalent of 24ppm.
Since then, Jim has stated that it could be anything from 30-50 (in a YT where he blew the gas over, and asked Mark at the end what it should be) - so we (on this forum) have widened the ppm considerations.
Now, Amanda Mary (who works with Mark) may have more recent information than I have - so, I'm not saying mine is "right" = only what we have worked with, given Jim Humble's recommendations, up to this time.