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  3. Groundwater Age-Tracing Data and Models in a PFOA-Contaminated Bedrock Aquifer, North Bennington, Vermont

Groundwater Age-Tracing Data and Models in a PFOA-Contaminated Bedrock Aquifer, North Bennington, Vermont

Dates

Publication Date
Start Date
2016-09-21
End Date
2016-09-23

Citation

Shanley, J.B., Johnson, H., Levitt, J., and Mack, T.J., 2023, Groundwater age-tracing data and models in a PFOA-contaminated bedrock aquifer, North Bennington, Vermont: U.S. Geological Survey data release, https://doi.org/10.5066/P9KGOKP3.

Summary

We computed mean groundwater ages and age distributions at eight wells by calibrating lumped parameter models (LPMs) to concentrations of tracers (3H, CFCs, SF6) in samples using the computer program TracerLPM (Jurgens and others, 2012). We also measured 14C but all samples contained ancient carbonate from the limestone bedrock, and we were unable to resolve the atmospherically-derived 14C sufficiently to use it as a tracer. Tritium was below the detection level in two of the eight well-water samples, indicating the water was recharged prior to about 1950. Groundwater from the other six wells could be fitted to LPMs that were either piston flow models (PFM), exponential – piston flow models (EPM), or binary mixing combinations of PFM [...]

Contacts

Point of Contact :
James B. Shanley, U.S. Geological Survey
Originator :
James B. Shanley, Hank Johnson, Joe Levitt, Thomas J. Mack
Metadata Contact :
James B. Shanley, U.S. Geological Survey
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
New England Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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Groundwater_age-tracing_data_and_models_in_a_PFOA-contaminated_bedrock_aquifer_North_Bennington_Vermont.xml
Original FGDC Metadata
View 		42.68 KB application/fgdc+xml
Table_2_Bennington_Dissolved_Gas_Column_Definitions.xlsx 79.64 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Table_2_Bennington_Dissolved_Gas_Modeling.xlsx 63.24 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Table_4_Field_data_Column_Definitions.xlsx 11.19 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Table_4_Well_characteristics_and_field_data.xlsx 14.92 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Table_3_Bennington_DGMeta_final.xlsx 34.15 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Table_3_Bennington_DGMeta_Column_Definitions.xlsx 5.01 MB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Table_1_Bennington_Age_Dating_Models_Definitions.xlsx 18.44 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Table_1_Bennington_Final_age_models.xlsx 22.12 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Purpose

These data were collected in support of a broader study to determine the fate and transport of PFOA in a southern Vermont aquifer.

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Communities

  • USGS Data Release Products
  • USGS New England Water Science Center

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9KGOKP3

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