- Prepared Media | dried out, contaminated or expired
- Powdered Media | expired or sold
- Stains | expired or dried out
- Slides and Cover Slips | chipped need more
- Microscopes | need to be cleaned, tested (fuses/bulbs)
- Glassware | stained, dirty, chipped
- Plastic | stained, weakened from UV or chemical exposure
- Pipets | contaminated, dirty
- PPE | (gloves, aprons, goggle) cracked or contaminated