East Palestine residents voice frustrations, frequently interrupt train company official at tense town hall The US Environmental Protection Agency gave the all clear for residents to return home shortly after the February 3 derailment and controlled burn that followed. Norfolk Southern CEO sells stock and sets up scholarship fund for East Palestine The Texas A&M and Carnegie Mellon researchers say the test method the EPA is using to measure acrolein on the scene has a limit that is too high to pick up levels relevant to health. Rusyn said it is too soon to know whether elevated levels are having an impact on residents’ health