Stocks
Software for stock management.
Technical documentation (certification of quality, catalogues, Material Safety Data Sheets, sample information), and materials (samples, Certified Reference Materials, sealed source and chemicals) shall be stored in well organized places, adequate for each kind of material.
An inventory (hard copy or electronic format) of all the materials must be keep updated. Some commercial software are designed for this purpose.
If suitable software is not available to keep highly automated electronic records, at least hard copies shall be maintained. It is better to have a simple system for control than having none!