Preparing an Odor Management Plan and Setback Estimation Tool
By University of Minnesota Department of Biosystems and Agricultural Engineering - Minnesota Rules Relating to Animal Feedlots and Storage, Transportation, and Utilization of Animal Manure, Chapter 7020.0505 Subpart 4 B, requires feedlots with 1,000 animal units or more to submit an air emission plan.
This plan must include:
OFFSET is designed to estimate average odor impacts from a variety of animal facilities and manure storages. These estimations are useful for rural land use planners, farmers, or citizens concerned about the odor impact of existing, expanding, or new animal production sites. OFFSET is based on odor measurements from Minnesota farms and Minnesota climatic conditions. As such, the use of OFFSET for estimating odor impacts in other geographic areas should be done with caution and through consultation with the authors of this publication.
- methods and practices that will be used to minimize air emissions resulting from animal feedlot or manure storage area operations including manure storage area start-up practices, loading, and manure removal;
- measures to be used to mitigate air emission in the event of exceedance of the state ambient hydrogen sulfide standard; and
- a complaint response protocol describing the procedures the owner will use to respond to complaints directed at the facility including a list of each potential odor source at the facility, a determination of the odor sources most likely to generate significant amounts of odors, and a list of anticipated odor control strategies for addressing each of the significant odor sources.
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The following associated publication is also available from the same source:OFFSET: Odor From Feedlots Setback Estimation Tool
By Larry Jacobson, David Schmidt, and Susan Wood, University of Minnesota Extension Service When discussing odor problems related to animal agriculture, the following questions often arise:- How far does odor travel?
- Are animal numbers or animal species accurate predictors of nuisance odors?
- How much odor control is needed to solve an odor problem from an existing facility?
- Can the odor impact from a new facility be predicted?
OFFSET is designed to estimate average odor impacts from a variety of animal facilities and manure storages. These estimations are useful for rural land use planners, farmers, or citizens concerned about the odor impact of existing, expanding, or new animal production sites. OFFSET is based on odor measurements from Minnesota farms and Minnesota climatic conditions. As such, the use of OFFSET for estimating odor impacts in other geographic areas should be done with caution and through consultation with the authors of this publication.