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The survey included measurements of the following: residual alpha and beta-gamma contamination levels in these buildings external gamma radiation levels at one meter above the surface in these buildings and outdoors throughout the Linde property radon and radon daughter concentrations in the air more » in these buildings uranium, radium, actinium, and thorium concentrations in soil samples taken both onsite and offsite contamination in surface water on and near the site and airborne concentrations of uranium, radium, and thorium in the building in which the separation process was carried out. Five buildings were involved in these operations. During the period 1940 to 1948, this site was used for the separation of UO/sub 2/ from uranium ores and for the conversion of UO/sub 2/ to UF/sub 4/. The results of a radiological survey of the Linde Air Products Division of Union Carbide Corporation, Tonawanda, New York, are presented. Alpha and beta-gamma contamination levels in some areas of the operations building were above the limits of current federal guidelines set for the release of property for unrestricted use.
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Elevated concentrations of uranium were found in residues from the operations building and in some surface and subsurface soil samples. The survey included measurements of the following: residual alpha and beta-gamma contamination levels, both fixed and transferable, in the one remaining uranium tetrafluoride operations building external gamma radiation levels at 1 m above the surface inside this building and at outdoor locations where radioactive materials were handled radon and radon daughter more » concentrations in the air in the operations building uranium, radium, actinium, and thorium concentrations in soil and water on and near the site and the airborne concentrations of uranium, thorium, and radium in the operations building. During the 1940's this site was used for development of a process for the conversion of uranium oxide to produce uranium tetrafluoride and small quantities of uranium metal.
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Du Pont Company, Deepwater, New Jersey, are presented in this report. The results of a radiological survey of the E. Radon and radon daughter concentrations in three buildings were in excess of current federal guidelines for nonoccupational radiation exposure.
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Licensable concentrations of uranium were found more » in soil at some places, and the concentration of uranium in a water sample taken from a core hole between Buildings 100 and 101 was in excess of limits set by current federal standards. Elevated external gamma radiation levels were measured at some outdoor locations and in some of the buildings. Alpha and beta-gamma contamination levels inside and outside some of the buildings were above limits set by current federal guidelines concerning the release of property for unrestricted use. The survey included measurements of the following: residual alpha and beta-gamma contamination levels in the existing buildings that were used in the uranium projects external gamma radiation levels at 1 m above the surface in these buildings and outdoors around these buildings radon and radon daughter concentrations in the air in these buildings uranium, radium, actinium, and thorium concentrations in surface and subsurface soil on the site concentrations of radionuclides in water and sediment found in drains both inside and outside the buildings and concentrations of radionuclides in ground and surface water on the site and in river water taken near the site. During the period 1942 through 1957, this site was used for various projects involving the production of purified uranium from pitchblende concentrates. The results of a radiological survey of part of the Mallinckrodt Chemical Works (former Destrehan and Broadway Street plants), St.