b'PIPELINE EMERGENCY RESPONSE GUIDELINESFixed Roof or Cone Roof Atmospheric Storage TanksThe third is a fixed roof tank, known as acone or flat roof. Other type of roofs foundin low-pressure tanks are various smallcontainers in tank batteries at the wells,processing and transmission throughoutthe pipeline system.Refined Products National Heating Oil Reserve in the NortheastInsulated Low Pressure Storage Tanks for LNG42 2023 by Pipeline Association for Public Awareness'