33 CFR § 140.201 - General.
Under the direction of the Officer in Charge, Marine Inspection, investigating officers investigate the following incidents occurring as a result of OCS activities:
(b) Injury resulting in substantial impairment of any bodily unit or function.
(c) Fire which causes death, serious injury or property damage exceeding $25,000.
(d) Oil spillage exceeding two hundred barrels of oil in one occurrence during a thirty-day period.
(e) Other injuries, casualties, accidents, complaints of unsafe working conditions, fires, pollution, and incidents occurring as a result of OCS activities as the Officer in Charge, Marine Inspection, deems necessary to promote the safety of life or property or protect the marine environment.