تقرير
Update on the Aquifer/Wetlands Restoration Project at Utica, Nebraska, With Recommendations for Remapping of the Carbon Tetrachloride Contamination in Groundwater.
| العنوان: | Update on the Aquifer/Wetlands Restoration Project at Utica, Nebraska, With Recommendations for Remapping of the Carbon Tetrachloride Contamination in Groundwater. |
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| المؤلفون: | LaFreniere, L. M., Division, Environmental Science |
| المساهمون: | United States. Department of Agriculture. |
| بيانات النشر: | Argonne National Laboratory |
| سنة النشر: | 2010 |
| المجموعة: | University of North Texas: UNT Digital Library |
| مصطلحات موضوعية: | Management, Distribution, Cones, Penetrometers, Evaporation, Water, Organic Compounds, Wetlands, Lakes, Storage, Drinking Water, Nebraska, Irrigation, Contamination, 54 Environmental Sciences, Carbon Tetrachloride, Configuration, Plumes, Agriculture, Sampling, Aquifers |
| الوصف: | In 1992-1993, Argonne National Laboratory investigated potential carbon tetrachloride contamination that might be linked to the former grain storage facility operated by the Commodity Credit Corporation (CCC) of the U.S. Department of Agriculture (USDA) at Utica, Nebraska. These initial studies identified carbon tetrachloride in a plume of contaminated groundwater, extending approximately 3,500 ft southeastward from the former CCC/USDA facility, within a shallow upper aquifer that had been used previously as a municipal water source by the town (Figure 1.1). A deeper aquifer used as the current municipal water source was found to be free of carbon tetrachloride contamination. Although the shallow aquifer was no longer being used as a source of drinking water at Utica, additional studies indicated that the carbon tetrachloride could pose an unacceptable health threat to potential future residents who might install private wells along the expected downgradient migration pathway of the plume. On the basis of these findings, corrective action was recommended to decrease the carbon tetrachloride concentrations in the upper aquifer to acceptable levels (Argonne 1993a,b, 1995). Initial discussions with the Utica village board indicated that any restoration strategies involving nonbeneficial discharge of treated groundwater in the immediate vicinity of Utica would be unacceptable to the town. To address this concern, the CCC/USDA and Argonne, in cooperation with multiple federal and state regulatory and environmental agencies (Table 1.1) proposed a treatment strategy for the Utica groundwater employing groundwater extraction coupled with the seasonal use of agricultural spray irrigation equipment to simultaneously (1) remove carbon tetrachloride from the groundwater (by volatilization to the atmosphere) and (2) discharge the treated groundwater to enhance the development of wetlands in the North Lake Basin Wildlife Management Area, just north of the town (Argonne 2000). To develop this treatment approach, additional ... |
| نوع الوثيقة: | report |
| وصف الملف: | Text |
| اللغة: | English |
| العلاقة: | rep-no: ANL/EVS/AGEM/TR-09-10; grantno: DE-AC02-06CH11357; osti: 982346; https://digital.library.unt.edu/ark:/67531/metadc1014495Test/; ark: ark:/67531/metadc1014495 |
| DOI: | 10.2172/982346 |
| الإتاحة: | https://doi.org/10.2172/982346Test https://digital.library.unt.edu/ark:/67531/metadc1014495Test/ |
| رقم الانضمام: | edsbas.2D881C40 |
| قاعدة البيانات: | BASE |
| DOI: | 10.2172/982346 |
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