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The webinar included the following presentation:

Andy Smith and Tom Simones, Maine Department of Health & Human Services [PDF] presented about a dairy farm in Maine including:

  • Context – how the farm presented and how this led to work to derive soil screening levels for a soil-to-hay/corn-to-milk-to-child exposure pathway
  • Use of a modified EPA Preliminary Remedial Goals for Radionuclides equation as the exposure model
  • Inputs for the model – from the literature, EPA defaults, dairy farm scenarios (grass-based versus more typical)
  • Pilot studies with Maine DEP of plant uptake by hay and corn, comparisons to literature, and confirmation of plant results by FDA
  • Maine's milk action level for PFOS
  • Resulting soil screening levels and how they compare to others
  • How the model has performed when we run to estimate soil levels based on observed milk levels at three farms

 

For more information, contact Jennifer Griffith at .

 

 

Last Modified 06/30/2021

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