Question about my log entry showing data file is excluded.

I am new user of Sophos for Mac.  I have OS 10.10.3 installed.

My log says:

com.sophos.intercheck: Info: Exclusion: /Volumes/Data/ at 12:48 on 13 June 2015
com.sophos.intercheck:
com.sophos.intercheck: Info: Exclusion: /Volumes/Time Machine Backups at 12:48 on 13 June 2015
com.sophos.intercheck:

I understand the time machine exclusion, but not the Volumes/Data.

I have excluded nothing in preferences.  In "On-Access," the excluded items pane is blank.  Is the above normal for a log in a situation where no exclusions have been made (although the check network volumes (like time machine?) has not been ticked).

Thanks.