United States Geological Survey YearbookThe Survey, 1986 - Geology |
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Page 4
... concentrations above background levels ( about 0.2 nanocuries per liter ) . ( Nuclear Regulatory Commission regulations allow a maximum concentration of 3,000 nano- curies per liter of tritium for release into water . ) Tritium ...
... concentrations above background levels ( about 0.2 nanocuries per liter ) . ( Nuclear Regulatory Commission regulations allow a maximum concentration of 3,000 nano- curies per liter of tritium for release into water . ) Tritium ...
Page 5
... Concentrations of tritium originating in the buried waste vary seasonally in the unsaturated zone . Increased tritium con- centrations occur in the spring , possibly because shallow pore water moves upward under the increasing influence ...
... Concentrations of tritium originating in the buried waste vary seasonally in the unsaturated zone . Increased tritium con- centrations occur in the spring , possibly because shallow pore water moves upward under the increasing influence ...
Page 6
... concentrations ranged from background ( 0.2 milligrams per liter ) to 6.3 milligrams per liter , and tritium concen ... concentrations and gas concentration gradients near the waste PRIMARY QUADRANGLE MAPPING : A PROGRAM IN TRANSITION By ...
... concentrations ranged from background ( 0.2 milligrams per liter ) to 6.3 milligrams per liter , and tritium concen ... concentrations and gas concentration gradients near the waste PRIMARY QUADRANGLE MAPPING : A PROGRAM IN TRANSITION By ...
Page 7
... Concentrations of the other gases were measured , but no discernible gradients were noted . Conclusions Many factors affect the quantity , rate , and timing of both water and solute move- ment , and combined research efforts at the ...
... Concentrations of the other gases were measured , but no discernible gradients were noted . Conclusions Many factors affect the quantity , rate , and timing of both water and solute move- ment , and combined research efforts at the ...
Page 29
... concentrations of the trace element selenium in the drainage water . The U.S. Geological Survey found that concentrations of dissolved selenium in drainage waters flowing into the canal that supplies water to Kesterson Reservoir ranged ...
... concentrations of the trace element selenium in the drainage water . The U.S. Geological Survey found that concentrations of dissolved selenium in drainage waters flowing into the canal that supplies water to Kesterson Reservoir ranged ...
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activities Administration Alaska aquifer areas basins California cartographic City Commission concentrations contaminants cooperation Coordination County data base Denver Denver Federal Center deposits digital cartographic data distribution drought earth-science earthquake Energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1986 flow format geographic information systems Geologist geophysical Gorda Ridge graphic ground water ground-water hazards hydrologic increased investigations Irrigation land Landsat levels located logical Survey Management Menlo Park ment miles mineral resource assessment monitoring National Center National Mapping Division National Water Office Operations organic Orinoco River Parkfield percent Planning potential precipitation production quadrangle radioactive waste radon Regional Reston River rocks runoff Salt Lake samples saturated zone scientific Scientific Drilling sediment seismic selenium Service soil sources Stop streamflow studies sulfide surface Survey's terranes tion Transportation trends U.S. Geological Survey United uranium Valley volcano waste Water District water quality Water Resources Division water-quality