Case 2: Phosphorus stick burns

Incident:  Phosphorus sticks are exposed to the air and ignite within a refrigerator.
Place:  Chemistry research laboratory
Time:  9:00 am
Cause:  Water covering phosphorus sticks leaks out of rusting container, exposing sticks to air.
Injuries:  None
Prevention:  Dispose of unused portion of reactive chemicals after expiration of shelf life or within six months of purchase.