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| Author | : Stanley G. Robson |
| Publisher | : |
| Total Pages | : 102 |
| Release | : 1977 |
| Genre | : Groundwater |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 29 |
| Release | : 1976 |
| Genre | : |
| ISBN | : |
The Rocky Mountain Arsenal requested that the U.S. Geological Survey conduct a digital-model study of the DIMP contamination of ground water on the arsenal and surrounding property in order to provide insight into the mechanism of DIMP transport and to provide data useful in meeting the requirements of Cease and Desist Orders. In particular, information is needed concerning the area affected, concentrations, and rate and direction of movement of the plume of contaminated ground water. If Brighton's municipal well field will be affected, the model may be used to determine future arrival times and concentrations. The study is being undertaken in two phases. Phase I involves the conversion of the existing chloride transport model of the arsenal to a DIMP transport model in order to evaluate the magnitude of the ground-water contamination in the immediate area of the arsenal. Phase II involves building a second DIMP transport model of a larger area in order to investigate the potential for DIMP moving into Brighton's well field and other adjacent areas. Both models will assume conservative (nonreactive) transport of DIMP and will be calibrated using present data on DIMP concentrations in the aquifer. This report documents the results of Phase I.
| Author | : James W. Warner |
| Publisher | : |
| Total Pages | : 48 |
| Release | : 1979 |
| Genre | : Groundwater |
| ISBN | : |
| Author | : James W. Warner |
| Publisher | : |
| Total Pages | : 39 |
| Release | : 1979 |
| Genre | : |
| ISBN | : |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 191 |
| Release | : 1984-01-01 |
| Genre | : Nature |
| ISBN | : 0309034418 |
And ConclusionsReferences; III METHODS OF WASTE DISPOSAL ; 4 Shallow Land Burial of Municipal Wastes; Introduction; Leachate Characteristics; Gas Production; Hydrogeologic Criteria; Unsaturated Flow; Site Size; Water Balance; Trench Covers; Trench Liners; Monitoring; Monitoring Methodology; Verification of Contamination; Conclusions; References; 5 Deep Burial Of Toxic Wastes; Introduction; Methods of Disposal; Advantages and Disadvantages of Deep Burial; A Hypothetical Repository; Hydrogeologic Properties of Rocks at Depth; General Data from Wells and Test Holes; Geochemical Evidence.
| Author | : David Brian Kessler |
| Publisher | : |
| Total Pages | : 330 |
| Release | : 1985 |
| Genre | : Groundwater |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 156 |
| Release | : 1996 |
| Genre | : Chemical agents (Munitions) |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 568 |
| Release | : 1980 |
| Genre | : Hydrology |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 52 |
| Release | : 1979 |
| Genre | : Geological surveys |
| ISBN | : |
| Author | : SG. Robson |
| Publisher | : |
| Total Pages | : 12 |
| Release | : 1981 |
| Genre | : Diisopropylmethylphosphonate (DIMP) |
| ISBN | : |
Diisopropylmethylphosphonate (DIMP) is an organic compound produced as a by-product of the manufacture of a chemical munition at the Rocky Mountain Arsenal, Colo. Groundwater contamination occurred when industrial effluent containing DIMP seeped into the water table below unlined industrial waste-disposal ponds during 1952 to 1956. In 1975, groundwater containing DIMP was found in a 73 km2 (28-mile2) area to the northwest of the arsenal and was detected within 1.6 km (1 mile) of municipal water wells supplying the city of Brighton, Colo. The DIMP concentrations in the groundwater ranged from 0.5 μg/litre, the analytical detection limit, to as much as 44 000 μg/litre near the abandoned waste-disposal ponds. A mathematical model was used to simulate the movement and concentration of DIMP in groundwater near the arsenal to determine the historical distribution and concentration of the contaminant and to predict the possible future distribution of the contaminated groundwater.
