Galvanic corrosion is a process that degrades metals electrochemically. This corrosion occurs when two dissimilar metals are located in contact with each other in the presence of an electrolyte, such as salt water, forming a galvanic cell.
But the memories of that tragic day 25 years ago are still vivid to many in Edmond. On Aug. 20, 1986, gunman Patrick Henry Sherrill shot and killed 14 co-workers, wounded six and then took his own life inside the post office where he worked.
Five employees at the same Postal Service die within 14 months of each other due to suspected methane gas leak. Five employees working at the same postal service center died within 14 moths of each other due to a suspected methane gas leak. The US postal service is being forced to resolve the gas buildup amid concerns for other employees' safety.