You do a very good job of deflecting questions.You don't seem to comprehend his very next statement regarding the section you have circled.
Quote - "A second, more comprehensive skimmate chemical analysis was pursued to address this concern."
That analysis showed -
Skimmate Liquid Analysis.
The bottom line, however, is that the skimmate liquid contains mostly the common inorganic ions that constitute the major ions in seawater. Only a small amount of this material can be arguablyassigned to dissolved organiccarbon, DOC.