A test tube holder includes a test tube insertion adapter having an adapter body and an elastic ring. The peracid incorporated into the non-aqueous medium is stable and keeps its chemical and antimicrobial activity for extended durations. A solution is applied to the semiconductor wafer and to the abrasive polishing pad. Future scans of a base label corresponding to that of one in the list store will result in additional read attempts to ensure the capture of add-on information while the initial low number of reads remains in tact with respect to non-add-on labels. Each of the doors has a latch mechanism to retain the doors in a closed position and the central doors have an interlocking locking and release means for ease of access and for maintaining the integrity of the sidewall when closed and locked.