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-{{#Wiki_filter:Subsurface Soil Surveys Public Workshop Cynthia Barr Senior Risk Analyst July 15, 2021
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-Elevated Areas or Hot Spots in the Subsurface
-Consideration of Elevated Areas in the Subsurface
-* Elevated areas in subsurface soils may be less important than on the surface (the total inventory may drive the dose from the groundwater pathway)
-* Elevated areas may be a more important consideration for intrusion scenarios
-Alternative DCGL Approaches for Elevated Areas
-* In the case that open excavation surfaces are available for scan survey, DCGLemcs could be based on the intrusion scenarios, or
-* The DCGLw could be developed based on the most limiting scenario
-Considerations for Elevated Areas in the Subsurface
-* On the surface, scan surveys are typically used to detect elevated areas between sample locations.
-* What should the rigor of the survey be to detect elevated areas where there are no exposed surfaces to scan in the subsurface?
-* Could the survey be designed to detect elevated areas of a certain size based on dose modeling?
-* The sample size could be based on the probability of detecting an elevated area of a certain size.
-Thank you!}}