Whistleblower questions delays and mistakes in way EPA used sensor plane after fiery Ohio derailment

The U.S. government has a specialized plane loaded with advanced sensors that officials brag is always ready to deploy within an hour of any kind of chemical disaster. But the plane didn’t fly over eastern Ohio until four days after the disastrous Norfolk Southern derailment there last year.

A whistleblower told The Associated Press that the Environmental Protection Agency’s ASPECT plane could have provided crucial data about the chemicals spewing into the air and water around East Palestine...