30 CFR § 47.83
Disclosure in a medical emergency.
(a) Upon request and regardless of the existence of a written statement of need or a confidentiality agreement, the operator must immediately disclose the identity of a trade secret chemical to the treating health professional when that person determines that--
-
(1) A medical emergency exists, and
(2) The identity of the hazardous chemical is necessary for emergency or first-aid treatment.
