# Norfolk Southern train derailment in East Palestine, Ohio releases hazardous materials revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Incident: [Norfolk Southern train derailment in East Palestine, Ohio releases hazardous materials](/incidents/norfolk-southern-east-palestine-derailment-2023.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption. For the current state of this incident, see the incident page._

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /incidents/norfolk-southern-east-palestine-derailment-2023/history. REST: /v1/incidents/3884aab4-5ff6-4dbe-97ad-bb6b5d10834a/history. HTML: [/incidents/norfolk-southern-east-palestine-derailment-2023/history](/incidents/norfolk-southern-east-palestine-derailment-2023/history)._