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Use Of Chemical And Isotopic Identifiers To Characterize Ground Water Contamination Near Two Uranium Mill Sites, Central Nm, Mitchell T. Schatz
Use Of Chemical And Isotopic Identifiers To Characterize Ground Water Contamination Near Two Uranium Mill Sites, Central Nm, Mitchell T. Schatz
Civil Engineering ETDs
Chemical and isotopic signatures were used to discriminate between anthropogenic ground water and naturally occurring constituents. The U-234/U-238 activity ratio (AR) was determined in 34 samples from several aquifers underlying two former uranium mills near Milan, NM. Disposal of uranium ore waste into unlined tailings resulted in ground water contamination in the Lower San Mateo Creek Basin area. Ground water contamination from uranium mills have impacted the local ground water for residents down-gradient from the mills.
Previous studies that used uranium isotopes identified activity ratios of mill-derived uranium were near the secular equilibrium of 1, and those from natural ground …