About the author
PublicSource analyzed hazardous materials incidents in Pennsylvania since 2000. The data consisted of U.S. Department of Transportation records provided by the Investigative News Network.
Also in this series
To help facilitate the conversation, we've put together some guidelines so you'll know what we think is harmful or inappropriate. Harmful, inappropriate content will be removed and repeat offenders can be banned from contributing in the future. Click here to read our commenting guidelines.