Exceptions

The provisions of sections 33.1-15-03-01, 33.1-15-03-02, 33.1-15-03-03, and 33.1-15-03-03.1 shall not apply in the following circumstances: 1. Where the presence of uncombined water is the only reason for failure of an emission to meet the requirements. 2. When smoke is emitted for the purpose of training or research when approved by the department, including training schools for firefighting personnel. 3. [Reserved]. 4. [Reserved]. 5. Where fugitive emissions are caused by agricultural activities related to the normal operations of a farm. However, agricultural practices such as tilling of land, application of fertilizers, harvesting of crops, and other activities shall be managed in such a manner as to minimize dust from becoming airborne.