49-504. Limitations

Nothing in this article shall be construed so as to:

1. Grant any jurisdiction or authority with respect to air contamination or pollution existing solely within commercial and industrial plants, works, or shops owned by or under control of the person causing the air contamination or pollution.

2. Alter or in any other way affect the relations between employers and employees with respect to or concerning any condition of air contamination or pollution.

3. Require the readoption of any rule or regulation previously adopted prior to the effective date of this article, provided such rule or regulation is in conformity with the provisions of this article.

4. Prevent the normal farm cultural practices which cause dust.