Authority: IC 14-10-2-4; IC 14-10-2-5; IC 14-39-0.5; IC 14-39-2

Affected: IC 14-39-2

Sec. 4. (a) At the storage operator's request, the department may modify a carbon sequestration project permit to make a minor modification to the permit under subsection (b) without requiring the storage operator to file an application to amend the permit.

(b) A minor modification includes the following:

(1) To correct a typographical error.

(2) To require more frequent monitoring or reporting by a storage operator.

(3) To change an interim compliance date in a compliance schedule that:

(A) is not more than one hundred twenty (120) days after the date specified by the existing carbon sequestration project permit; and

(B) does not interfere with finishing by the required final compliance date.

(c) A modification to a carbon sequestration project permit not processed as a minor modification must be filed as an application to amend an existing carbon sequestration project permit. A storage operator may file an application to amend a permit regarding the following:

(1) A change in the carbon dioxide stream to be injected, including the quantity or type.

(2) A change in the construction requirements to a storage facility, monitoring well, or carbon dioxide injection well.

(3) An amendment to:

(A) a testing and monitoring plan;

(B) a plugging plan;

(C) a postinjection site care and closure plan; or

(D) an emergency and remedial response plan.

(d) If a storage operator files an application to amend an existing carbon sequestration project permit under subsection (c), the application is treated as a new carbon sequestration project permit.

(Natural Resources Commission; 312 IAC 30-6-4; filed September 5, 2025, 11:44 a.m.: 20251001-IR-312250162FRA)