The lessons learned from the deadly 2013 West, Texas explosion and fire are not being passed along to emergency responders in other communities with facilities that store ammonium nitrate (AN), according to the U.S. Chemical Safety Board (CSB).

The West Fertilizer plant explosion in Texas garnered a great deal of attention from ISHN.com visitors. Also on their reading list: temp worker safety, confined space tragedies and arc flash hazards. Here are the most-read Facility Safety stories of the year: