Industrial fires

Smoke from an explosion at the TPC Group plant is seen Wednesday, Nov. 27, 2019, in Port Neches, Texas. Two massive explosions 13 hours apart tore through the chemical plant Wednesday, and one left several workers injured. (Marie D. De Jesús/Houston Chronicle via AP)

Smoke from an explosion at the TPC Group plant is seen Wednesday, Nov. 27, 2019, in Port Neches, Texas. Two massive explosions 13 hours apart tore through the chemical plant Wednesday, and one left several workers injured. (Marie D. De Jesús/Houston Chronicle via AP)

FILE - In this June 21, 2019 file photo, flames and smoke emerge from the Philadelphia Energy Solutions Refining Complex in Philadelphia. Federal investigators say an aging, failed elbow pipe appears to be the cause of the June fire and subsequent explosions that left five people with minor injuries and destroyed part of the processing unit at the largest oil refinery on the East Coast. The U.S. Chemical Safety and Hazard Investigation Board released a preliminary report Wednesday, Oct. 16 on findings from the June 21 explosion at the Philadelphia Energy Solutions Refining Complex. (AP Photo/Matt Rourke, File)

This image taken from video the Twitter account @JulietteChrl shows black smoke rising from a fire at a chemical plant in Rouen, Thursday Sept. 26, 2019. An immense mass of black smoke is rising over Normandy as firefighters battle a blaze Thursday at a chemical plant, and authorities closed schools in 11 surrounding towns and asked residents to stay indoors. No injuries have been reported. (@JulietteChrl Twitter account via AP)

Makeshift memorials erected to the victims of the Ghost Ship warehouse fire, photographed Thursday, Sept. 5, 2019 in Oakland, Calif. Jurors found defendant Max Harris not guilty of involuntary manslaughter and were unable to reach a verdict in the case against co-defendant Derick Almena. (AP Photo/D. Ross Cameron)

FILE - This combination of June 2017, file booking photos provided by the Alameda County Sheriff's Office shows Max Harris, left, and Derick Almena at Santa Rita Jail in Alameda County, Calif. A jury has decided the fate of two men charged with involuntary manslaughter after prosecutors say they turned a San Francisco Bay Area warehouse into a cluttered maze that trapped 36 partygoers during a fast-moving fire. The verdicts for Derick Almena and Max Harris will be announced Thursday, Sept. 5, 2019, after a three-month trial that drew family and friends of the victims to a packed courtroom, said Almena's attorney, Brian Getz. They face up to 39 years in prison if convicted. (Alameda County Sheriff's Office via AP, File)

FILE - This combination of June 2017, file booking photos provided by the Alameda County Sheriff's Office shows Max Harris, left, and Derick Almena at Santa Rita Jail in Alameda County, Calif. A judge has ordered deliberations to start over in the trial of the two men, accused of turning a San Francisco Bay Area warehouse into a cluttered maze where 36 partygoers died during a fire. Alameda County Superior Court Judge Trina Thompson excused three jurors Monday, Aug. 19, 2019, in the trial of Derick Almena and Max Harris on the 10th day of deliberations. It comes after a four-month trial on involuntary manslaughter charges.(Alameda County Sheriff's Office via AP, File)

Flames and smoke rise after a fire started at an Exxon Mobil facility, Wednesday, July 31, 2019, in Baytown, Texas. (Yi-Chin Lee/Houston Chronicle via AP)

FILE - In this April 30, 2019 file photo attorneys Curtis Briggs, center, and Tyler Smith, left, who represent Max Harris, speak to the media at Alameda County Courthouse in Oakland, Calif. Briggs, the attorney for Harris, one of two men on trial in connection with a fire that killed 36 people at a San Francisco Bay Area warehouse two years ago has told the jury there's enough evidence to find his client not guilty. Briggs, said during closing argument Tuesday, July 30, 2019, that the prosecution has used his client as a scapegoat for the deadly December 2016 fire during an electronic music show.(AP Photo/Cody Glenn, File)