The pipeline fire burned for four days and resulted in the death of one person and the injury of four others. After burning for four straight days, the owner of the pipeline that burst Monday in La Porte has released their first report on what chemicals could have been released into the air as a result.

A natural gas liquids (NGL) pipeline owned by Energy Transfer caught fire in La Porte, Texas, on Monday morning, the company said in a statement, knocking out power to thousands of homes and businesses and prompting a widespread evacuation.