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Showing 1 to 1 of 1 for “"Radon; Soil salinization--North Dakota--Grand Forks County; Soils--Testing"”.
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Salinity, radon, and radon precursors in the soils of Grand Forks County, North Dakota
<p>High levels of indoor radon have been observed in many areas of the Red River Valley and particularly in Grand Forks County of North Dakota. Data from the University of North Dakota (UND) Radon Monitoring Facility indicated more than 80% of the dwellings tested had radon levels greater than the …