On February 21, 2018 EPA was notified by the National Response Center (NRC) regarding a fire and explosion at the HP Gas LLC., facility located at 6701 West Bay Rd., Baytown, Texas. The Baytown Fire Department responded, however, there was no signs of an explosion and no fire was observed. After discovering corroded cylinders during an investigation of the facility the county Fire Marshal contacted the Texas Commission on Environmental Quality (TCEQ) for assistance .
On April 23, 2018 TCEQ requested assistance from EPA to assess and mitigate cylinders containing hydrogen sulfide, hydrogen cyanide, phosgene, and other unknown chemicals at the HP Gas facility.