Iowa Code § 266.42: Purposes.

The purposes of this subchapter shall be to further livestock odor mitigation efforts as follows:

1. Further a livestock odor mitigation research effort in order to accelerate the adoption of affordable and effective odor mitigation technologies and strategies by livestock producers, expand the number of affordable and effective odor mitigation technologies and strategies available to livestock producers, and provide research-grounded information regarding odor mitigation technologies and strategies that are ineffective or cost-prohibitive.

2. Develop a livestock odor mitigation evaluation effort as provided in section 266.49, which shall be a multilevel process to determine the potential odor exposure to persons who would neighbor a new livestock operation as proposed to be constructed.