Collection System Odor Evaluations

Odor Evaluation

Webster Environmental Associates, Inc. (WEA) can study odors in the liquid phase and the vapor phase. A liquid phase odor evaluation would typically consist of evaluating odors and odorous compounds in a wastewater collection system. A vapor phase odor evaluation consists of collecting air samples from a wastewater treatment plant, pet food facility or a number of other industrial processes that create an odor. The air samples are analyzed for odors and specific odorous compounds, such as reduced sulfur compounds.

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A scientific odor study is a cost-effective method to evaluate, document and determine the odor sources that lead to odor complaints.

An odor study provides recommendations on the most effective approach to controlling odors. WEA provides an unbiased, scientific approach to controlling odors by staying independent from odor control technology manufacturers.

The primary objectives of an odor evaluation include:

Identification of the odor sources.

  • Discussions with client and background info identify potential odor sources

Characterization and quantification of the odor emissions from the odor sources.

Development and evaluation of odor control alternatives, typically including a Class 4 cost estimate for each alternative.

  • Use data to develop design criteria
  • Evaluate and compare odor control technologies
  • Estimate capital and operating costs

Odor dispersion modeling.

  • Shows impact on community/surrounding areas
  • Shows impact each odor control alternative has on offsite odors

Development of recommendations for long-term odor control improvements.

A comprehensive odor evaluation ensures that our clients are focusing their efforts, and dollars, on the right odor sources and getting the most “bang for the buck” when money is being spent to mitigate odors.