49 CFR 195.50
Reporting accidents.
An accident report is required for each failure in a pipeline system subject to this part in which there is a release of the hazardous liquid or carbon dioxide transported resulting in any of the following:#
(a)Explosion or fire not intentionally set by the operator.#
(b)Release of 5 gallons (19 liters) or more of hazardous liquid or carbon dioxide, except that no report is required for a release of less than 5 barrels (0.8 cubic meters) resulting from a pipeline maintenance activity if the release is:#
(1)Not otherwise reportable under this section;#
(2)Not one described in § 195.52(a)(4);#
(3)Confined to company property or pipeline right-of-way; and#
(4)Cleaned up promptly;#
(c)Death of any person;#
(d)Personal injury necessitating hospitalization;#
(e)Estimated property damage, including cost of clean-up and recovery, value of lost product, and damage to the property of the operator or others, or both, exceeding $50,000.#