Odor Modeling

ECS can provide odor analysis and dispersion modeling to quantitatively predict the odor impact from operations.

Odor Units (OU) or Dilutions to Threshold (DT) refer to the concentration of an odor where a panel of professional sniffers can detect the presence of an odor (1 OU). Labs such as St. Croix Senses provide this measuring service.

At ECS, we use our odor library and other data along with our understanding of the process conditions to calculate total OU. Additionally, we work with our partner to create an iso-countour odor dispersion model. This shows the concentration gradient, and where to expect people to start detecting something.

Iso-contour odor modeling radius

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