This is used internally by one team at BCM-HGSC. It has little interest for others. The main ideas are certain filtering heuristics on storage report files.
If using for mfts report two options #1 orphans #2 shares and #3 will be "mfts" for submissions #1 base #2 "blank" and #3 will be "submissions" This will be used to merge several spreadsheets for a storage report.