This classification refers to wells which inject for extraction of minerals or energy, including:

1. Mining or sulfur by the Frasch process.

2. In situ production of uranium or other metals. This category includes only in situ production from ore bodies which have not been conventionally mined. Solution mining of conventional mines such as stopes leaching is included in Class V.

3. Solution mining of salts or potash.

History: Effective March 1, 1984.

General Authority: NDCC 38-12-02

Law Implemented: NDCC 38-12-02