Remedial investigation concept plan for the groundwater operable units at the chemical plant area and the ordnance works area, Weldon Spring, Missouri, report, July 15, 1999; (https://digital.library.unt.edu/ark:/67531/metadc707586/m1/1/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .

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