This literally came out yesterday:
https://www.wkbn.com/news/local-news/east-palestine-train-derailment/fema-sending-federal-resources-to-east-palestine/amp/
It even sounds like Norfolk Southern would be held responsible but we'll wait to see if that holds true.
Also: from https://www.washingtonexaminer.com/policy/energy-environment/east-palestine-derailment-prompts-scrutiny-of-federal-rail-regulations
>Some lawmakers have urged the National Transportation Safety Board (NTSB) to take action, including by re-imposing a rule on ECP, or electronically controlled pneumatic brakes, on trains carrying petroleum and other hazardous materials to help them stop more quickly than conventional air braking systems.
>The rules were proposed by the Obama administration in 2015 but rescinded two years later under the Trump administration.