Fy 92 Report On The Isotope Hydrology Charactrization Of The Faultless Test Site Nye County Nevada

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FY-92 Report on the Isotope Hydrology Characterization of the Faultless Test Site, Nye County, Nevada

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ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (685 download)

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Book Synopsis FY-92 Report on the Isotope Hydrology Characterization of the Faultless Test Site, Nye County, Nevada by :

Download or read book FY-92 Report on the Isotope Hydrology Characterization of the Faultless Test Site, Nye County, Nevada written by and published by . This book was released on 1994 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: In January of 1968 the Faultless test shot at 975m below the surface had an estimated magnitude range between 200kt to 1Mt. The detonation resulted in a surface crater estimated at 1km in diameter accompanied by a> 3m collapse escarpment at the surface. Careful monitoring of outlying observation wells before, during and after the shot has provided valuable data on the hydrodynamic response of the groundwater. This report of FY92 investigations at Faultless by the Nuclear Chemistry Division at LLNL serves to outline new and previous isotopic data of natural and shot-related nuclides measured in the drillback hole and the two closest satellite wells. The goals of this study are: (1) to investigate and characterize the geochemical and isotopic variabilities of groundwater, as a function of groundwater source and age, (2) to determine concentrations of event-related nuclide activity and investigate any possible migration of the hydrologic source term. A more comprehensive source and age characterization from isotopic and geochemical variations of natural groundwater in the Hot Creek Valley would require a regional scale investigation.

FY-92 Report on the Isotope Hydrology Charactrization of the Faultless Test Site, Nye County, Nevada

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (88 download)

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Book Synopsis FY-92 Report on the Isotope Hydrology Charactrization of the Faultless Test Site, Nye County, Nevada by :

Download or read book FY-92 Report on the Isotope Hydrology Charactrization of the Faultless Test Site, Nye County, Nevada written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Application of Borehole Logging to Characterize the Hydrogeology of the Faultless Site, Central Nevada Test Area

Author : Jenny B. Chapman
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis The Application of Borehole Logging to Characterize the Hydrogeology of the Faultless Site, Central Nevada Test Area by : Jenny B. Chapman

Download or read book The Application of Borehole Logging to Characterize the Hydrogeology of the Faultless Site, Central Nevada Test Area written by Jenny B. Chapman and published by . This book was released on 1994 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Preliminary Report on the Isotope Hydrology Investigations at the Nevada Test Site

Author : M. L. Davisson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (362 download)

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Book Synopsis Preliminary Report on the Isotope Hydrology Investigations at the Nevada Test Site by : M. L. Davisson

Download or read book Preliminary Report on the Isotope Hydrology Investigations at the Nevada Test Site written by M. L. Davisson and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Annual Index

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ISBN 13 :
Total Pages : 1692 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1692 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Preliminary on the Isotope Hydrology Investigation at the Nevada Test Site: Hydrologic Resources Management Program, FY 1992-1993

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Total Pages : pages
Book Rating : 4.:/5 (88 download)

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Book Synopsis Preliminary on the Isotope Hydrology Investigation at the Nevada Test Site: Hydrologic Resources Management Program, FY 1992-1993 by :

Download or read book Preliminary on the Isotope Hydrology Investigation at the Nevada Test Site: Hydrologic Resources Management Program, FY 1992-1993 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Preliminary on the Isotope Hydrology Investigations at the Nevada Test Site

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ISBN 13 :
Total Pages : 83 pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Preliminary on the Isotope Hydrology Investigations at the Nevada Test Site by :

Download or read book Preliminary on the Isotope Hydrology Investigations at the Nevada Test Site written by and published by . This book was released on 1994 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive isotope data base of the NTS groundwaters collected during FY 92-93 is presented with preliminary interpretations. Multiple samples were collected from over 30 sites on pumped wells and open-holes by wireline bailing. Field water level measurements indicate essentially a bimodal distribution separated by water levels at higher elevations (e.g. Pahute Mesa) from water levels of lower elevations (e.g. Yucca and Frenchman Flats). Down hole temperature measurements have confirmed anomalous temperature gradients in the eastern Yucca Flat area and on Pahute Mesa, where horizontal temperature gradients up to 0.33°F/100ft are found. Consistent with previous reports by others, the major ion geochemistry of the NTS groundwater are dominated by Na-K-HCO3 and Ca-Mg-HCO3 water types, where the Na-rich water appears to be related to dissolution in the volcanic tuffs and the Ca-rich water to the Paleozoic carbonates. Increases in dissolved Si also seems to be indicative of groundwater that resides in the volcanic tuffs. Processes controlling the Na/Ca ratios are complex and may include ion exchange reactions with clays, evaporative concentration in the vadose zone, and lithological heterogeneities in addition to simple differential dissolution between the volcanic tuffs and the Paleozoic carbonates. Apparent 14C ages range between 4000 and 38,000 years for groundwaters at the NTS. The uncertainty is large for exact age determinations at this time. The 14C abundance decreases with increased dissolved HCO3, and 13C suggests dissolution of the ''dead'' Paleozoic carbonates significantly influence the ages, but more work is needed to investigate the influence of vadose zone carbonate.

Energy Research Abstracts

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ISBN 13 :
Total Pages : 624 pages
Book Rating : 4.F/5 ( download)

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Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Geohydrologic Data and Test Results from Well J-13, Nevada Test Site, Nye County, Nevada

Author : William Thordarson
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (359 download)

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Book Synopsis Geohydrologic Data and Test Results from Well J-13, Nevada Test Site, Nye County, Nevada by : William Thordarson

Download or read book Geohydrologic Data and Test Results from Well J-13, Nevada Test Site, Nye County, Nevada written by William Thordarson and published by . This book was released on 1983 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Site Characterization Progress Report

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ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Site Characterization Progress Report by :

Download or read book Site Characterization Progress Report written by and published by . This book was released on 1993 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Field Investigation at the Faultless Site Central Nevada Test Area

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ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (685 download)

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Book Synopsis Field Investigation at the Faultless Site Central Nevada Test Area by :

Download or read book Field Investigation at the Faultless Site Central Nevada Test Area written by and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: An evaluation of groundwater monitoring at non-Nevada Test Site underground nuclear test sites raised questions about the potential for radionuclide migration from the Faultless event and how to best monitor for such migration. With its long standing interest in the Faultless area and background in Nevada hydrogeology, the Desert Research Institute conducted a field investigation in FY92 to address the following issues: The status of chimney infilling (which determines the potential for migration); the best level(s) from which to collect samples from the nearby monitoring wells, HTH-1 and HTH-2; the status of hydraulic heads in the monitoring well area following records of sustained elevated post-shot heads. The field investigation was conducted from July 27 to 31 and August 4 to 7, 1992. Temperature and electrical conductivity logging were performed in HTH-1, HTH-2, and UC-1-P-2SR. Water samples were collected from HTH-1 and HTH-2. Lawrence Livermore National Laboratory (LLNL) also collected samples during the July trip, including samples from UC-1-P-2SR. This report presents the data gathered during these field excursions and some preliminary conclusions. Full interpretation of the data in light of the issues listed above is planned for FY93.

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 928 pages
Book Rating : 4.:/5 (3 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994-11 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Geohydrology of Test Well USW H-3, Yucca Mountain, Nye County, Nevada

Author : William Thordarson
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ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Geohydrology of Test Well USW H-3, Yucca Mountain, Nye County, Nevada by : William Thordarson

Download or read book Geohydrology of Test Well USW H-3, Yucca Mountain, Nye County, Nevada written by William Thordarson and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Time-series Analysis of Ion and Isotope Geochemistry of Selected Springs of the Nevada Test Site, Nye County, Nevada

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ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (893 download)

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Book Synopsis Time-series Analysis of Ion and Isotope Geochemistry of Selected Springs of the Nevada Test Site, Nye County, Nevada by :

Download or read book Time-series Analysis of Ion and Isotope Geochemistry of Selected Springs of the Nevada Test Site, Nye County, Nevada written by and published by . This book was released on 1990 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The temporal variations of ion and isotope geochemistry were observed at six selected springs on the Nevada Test Site, Nye County, Nevada and included: Cane, Whiterock, Captain Jack, Topopah, Tippipah, and Oak Springs. The sites were monitored from 1980 to 1982 and the following parameters were measured: temperature, pH, electrical conductance, discharge, cations (Ca{sup 2+}, Mg{sup 2+}. Na, K), anions Cl−, SO42−. HCO3−, silica, stable isotopes ([delta]18O, [delta]D, [delta]13C), and radioactive isotopes (3H, 14C). A more detailed study was continued from 1982 to 1988 at Cane and Whiterock Springs. Field microloggers were installed at these sites in 1985 to measure the high frequency response of temperature, electrical conductance, and discharge to local precipitation. Stage fluctuations near the discharge point dissolve minerals/salts as groundwater inundates the mineralized zone immediately above the equilibrium water table. This phenomena was most noticeable at Whiterock Spring and lagged the discharge response by several hours. Stable isotope analysis of precipitation and groundwater suggests a 1.5 to 2 month travel time for meteoric water to migrate from the recharge area to the discharge point. Groundwater age determinations suggest a mean age of approximately 30 years at Whiterock Spring and possibly older at Cane Spring. However, the short travel time and geochemical integrity of recharge pulses suggest that the waters are poorly mixed along the flow paths. 25 refs., 25 figs., 24 tabs.

Time-series analysis of ion and isotope geochemistry of selected springs of the Nevada test site, Nye County, Nevada

Author : Brad F. Lyles
Publisher :
ISBN 13 :
Total Pages : 121 pages
Book Rating : 4.:/5 (5 download)

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Book Synopsis Time-series analysis of ion and isotope geochemistry of selected springs of the Nevada test site, Nye County, Nevada by : Brad F. Lyles

Download or read book Time-series analysis of ion and isotope geochemistry of selected springs of the Nevada test site, Nye County, Nevada written by Brad F. Lyles and published by . This book was released on 1990 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Well Installation Report for Corrective Action Unit 443, Central Nevada Test Area, Nye County, Nevada, Rev. No

Author : Tim Echelard
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (316 download)

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Book Synopsis Well Installation Report for Corrective Action Unit 443, Central Nevada Test Area, Nye County, Nevada, Rev. No by : Tim Echelard

Download or read book Well Installation Report for Corrective Action Unit 443, Central Nevada Test Area, Nye County, Nevada, Rev. No written by Tim Echelard and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A Corrective Action Investigation (CAI) was performed in several stages from 1999 to 2003, as set forth in the ''Corrective Action Investigation Plan for the Central Nevada Test Area Subsurface Sites, Corrective Action Unit 443'' (DOE/NV, 1999). Groundwater modeling was the primary activity of the CAI. Three phases of modeling were conducted for the Faultless underground nuclear test. The first phase involved the gathering and interpretation of geologic and hydrogeologic data, and inputting the data into a three-dimensional numerical model to depict groundwater flow. The output from the groundwater flow model was used in a transport model to simulate the migration of a radionuclide release (Pohlmann et al., 2000). The second phase of modeling (known as a Data Decision Analysis [DDA]) occurred after NDEP reviewed the first model. This phase was designed to respond to concerns regarding model uncertainty (Pohll and Mihevc, 2000). The third phase of modeling updated the original flow and transport model to incorporate the uncertainty identified in the DDA, and focused the model domain on the region of interest to the transport predictions. This third phase culminated in the calculation of contaminant boundaries for the site (Pohll et al., 2003). Corrective action alternatives were evaluated and an alternative was submitted in the ''Corrective Action Decision Document/Corrective Action Plan for Corrective Action Unit 443: Central Nevada Test Area-Subsurface'' (NNSA/NSO, 2004). Based on the results of this evaluation, the preferred alternative for CAU 443 is Proof-of-Concept and Monitoring with Institutional Controls. This alternative was judged to meet all requirements for the technical components evaluated and will control inadvertent exposure to contaminated groundwater at CAU 443.

Summary of Data Concerning Radiological Contamination at Well PM-2, Nevada Test Site, Nye County, Nevada

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ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis Summary of Data Concerning Radiological Contamination at Well PM-2, Nevada Test Site, Nye County, Nevada by :

Download or read book Summary of Data Concerning Radiological Contamination at Well PM-2, Nevada Test Site, Nye County, Nevada written by and published by . This book was released on 1997 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of water from well Pahute Mesa No. 2 (PM-2), on Pahute Mesa in the extreme northwestern part of the Nevada Test Site, indicated tritium concentrations above background levels in August 1993. A coordinated investigation of the tritium occurrence in well PM-2 was undertaken by the Hydrologic Resources Management Program of the US Department of Energy. Geologic and hydrologic properties of the hydrogeologic units were characterized using existing information. Soil around the well and water quality in the well were characterized during the investigation. The purpose of this report is to present existing information and results from a coordinated investigation of tritium occurrence. The objectives of the overall investigation include: (1) determination of the type and concentration of contamination; (2) identification of the source and mechanism of contamination; (3) estimation of the extent of radiological contamination; (4) initiation of appropriate monitoring of the contamination; and (5) reporting of investigation results. Compiled and tabulated data of the area are presented. The report also includes characterization of geology, soil, hydrology, and water quality data.