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Title: Evaluation of uncertainty in constituent input parameters for modeling the fate of IMX-101 components
Authors: Dortch, Mark S.
Johnson, Billy E.
Keywords: DNAN
Insensitive Munitions
Soil pollution
Explosives, Military
Bombing and gunnery ranges
Training Range Environmental Evaluation and Characterization System
Publisher: Environmental Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/EL;TR-17-7
Abstract: Abstract: The Training Range Environmental Evaluation and Characterization System (TREECS™) was applied to a groundwater site and a surface water site to evaluate the sensitivity of the uncertain input properties (degradation rates and water-to-soil and water-to-sediment adsorption partitioning distribution coefficients, or Kd values) on the fate of three emerging constituents (EC): DNAN, NTO, and NQ. These three EC are components of the new insensitive munitions explosive formulation IMX-101. The authors reviewed the literature and provided estimates of the expected degradation rates and Kd values for the three EC. EC simulations were conducted for each site, and predicted concentrations in receiving groundwater and surface water were studied to draw conclusions regarding the sensitivity of the results to these uncertain inputs. The applications revealed that, in general, surface water sites require much less accuracy for estimating soil and surface water EC degradation rates than do vadose zone and groundwater. Given the expected low Kd values of the three EC, there is mini-mal need to accurately refine the EC Kd estimates, particularly for surface water receptors. The authors concluded that future research should focus predominantly on determining degradation rates of EC groundwater, vadose zone, and surface soil, in that order of priority.
Appears in Collections:Technical Report

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