Search Results

open access

Spatial Analysis of Contaminants in 200 West Area Groundwater in Support of the 200-ZP-1 Operable Unit Pre-Conceptual Remedy Design

Description: This report documents a preliminary spatial and geostatistical analysis of the distribution of several contaminants of interest (COIs) in groundwater within the unconfined aquifer beneath the 200 West Area of the Hanford Site. The contaminant plumes of interest extend within the 200-ZP-1 and 200-UP-1 groundwater operable units. The COIs included in the PNNL study were carbon tetrachloride (CTET), technetium-99 (Tc-99), iodine-129 (I-129), chloroform, plutonium, uranium, trichloroethylene (TCE),… more
Date: December 30, 2008
Creator: Murray, Christopher J. & Bott, Yi-Ju
Partner: UNT Libraries Government Documents Department
open access

Revised Geostatistical Analysis of the Inventory of Carbon Tetrachloride in the Unconfined Aquifer in the 200 West Area of the Hanford Site

Description: This report provides an updated estimate of the inventory of carbon tetrachloride (CTET) in the unconfined aquifer in the 200 West Area of the Hanford Site. The contaminant plumes of interest extend within the 200-ZP-1 and 200-UP-1 operable units. CH2M HILL Plateau Remediation Company (CHPRC) currently is preparing a plan identifying locations for groundwater extraction wells, injection wells, transfer stations, and one or more treatment facilities to address contaminants of concern identified … more
Date: December 30, 2008
Creator: Murray, Christopher J. & Bott, Yi-Ju
Partner: UNT Libraries Government Documents Department
open access

Wallowa Canyonlands Weed Partnership : Completion Report November 19, 2009

Description: Noxious weeds threaten fish and wildlife habitat by contributing to increased sedimentation rates, diminishing riparian structure and function, and reducing forage quality and quantity. Wallowa Resources Wallowa Canyonlands Partnership (WCP) protects the unique ecological and economic values of the Hells Canyon grasslands along lower Joseph Creek, the lower Grande Ronde and Imnaha Rivers from invasion and degradation by noxious weeds using Integrated Weed Management techniques. Objectives of th… more
Date: December 30, 2008
Creator: Porter, Mark C. & Ketchum, Sarah
Partner: UNT Libraries Government Documents Department
open access

Walla Walla River Fish Passage Operations Project : Annual Progress Report October 2007 - September 2008.

Description: In the late 1990s, the Confederated Tribes of the Umatilla Indian Reservation, Oregon Department of Fish and Wildlife, and Washington Department of Fish and Wildlife, along with many other agencies, began implementing fisheries restoration activities in the Walla Walla Basin. An integral part of these efforts is to alleviate the inadequate fish migration conditions in the basin. Migration concerns are being addressed by removing diversion structures, constructing fish passage facilities, implem… more
Date: December 30, 2008
Creator: Bronson, James P.; Duke, Bill & Loffink, Ken
Partner: UNT Libraries Government Documents Department
open access

Umatilla Basin Fish Facilities Operation & Maintenance : Annual Report Fiscal Year 2008.

Description: Westland Irrigation District, as contractor to Bonneville Power Administration, and West Extension Irrigation District, as subcontractor to Westland, provide labor, equipment, and material necessary for the operation, care, and maintenance of fish facilities on the Umatilla River. Westland Irrigation District is the contractor of record. Job sites that are covered: Three Mile Right, Three Mile Left, Three Mile Adult Spawning, WEID Sampling Facility, Maxwell Screen Site, Westland Screen Site/Lad… more
Date: December 30, 2008
Creator: Wick, Mike
Partner: UNT Libraries Government Documents Department
open access

Grande Ronde Basin Fish Habitat Enhancement Project : 2007 Annual Report.

Description: On July 1, 1984 the Bonneville Power Administration and the Oregon Department of Fish and Wildlife entered into an intergovernmental contract to initiate fish habitat enhancement work in the Joseph Creek subbasin of the Grande Ronde River Basin in northeast Oregon. In 1985 the Upper and Middle Grande Ronde River, and Catherine Creek subbasins were included in the contract, and in 1996 the Wallowa River subbasin was added. The primary goal of 'The Grande Ronde Basin Fish Habitat Enhancement Proj… more
Date: December 30, 2008
Creator: McGowan, Vance R. & Morton, Winston H.
Partner: UNT Libraries Government Documents Department
open access

Climate Change Vulnerability and Resilience: Current Status and Trends for Mexico

Description: Climate change alters different localities on the planet in different ways. The impact on each region depends mainly on the degree of vulnerability that natural ecosystems and human-made infrastructure have to changes in climate and extreme meteorological events, as well as on the coping and adaptation capacity towards new environmental conditions. This study assesses the current resilience of Mexico and Mexican states to such changes, as well as how this resilience will look in the future. In … more
Date: December 30, 2008
Creator: Ibarraran , Maria E.; Malone, Elizabeth L. & Brenkert, Antoinette L.
Partner: UNT Libraries Government Documents Department
open access

Remediation of Deep Vadose Zone Radionuclide and Metal Contamination: Status and Issues

Description: This report documents the results of a PNNL literature review to report on the state of maturity of deep vadose zone remediation technologies for metal contaminants including some radionuclides. Its recommendations feed into decisionmakers need for scientific information and cost-effective in situ remediation technlogies needed under DOE's Environmental Management initiative Enhanced Remediation Methods: Scientific & Technical Basis for In Stu Treatment Systems for Metals and Radionuclides.
Date: December 30, 2008
Creator: Dresel, P. Evan; Truex, Michael J. & Cantrell, Keri
Partner: UNT Libraries Government Documents Department
open access

Nuclear Weapons in U.S. National Security Policy: Past, Present, and Prospects

Description: This report highlights the differences between the construct of tailored deterrence and the more general concept of strategic deterrence that guided U.S. nuclear policy during the Cold War. It then identifies a number of issues that Congress might address when it reviews these differences, including the question of whether detailed and tailored attack plans are more likely to enhance deterrence or more likely to lead to the early use of nuclear weapons, and the question of whether tailored dete… more
Date: December 30, 2008
Creator: Woolf, Amy F.
Partner: UNT Libraries Government Documents Department
open access

Nuclear Arms Control: The Strategic Offensive Reductions Treaty

Description: This report provides a brief overview of U.S. and Russian objectives when they began discussions on the 1994 Strategic Arms Reduction Treaty (START) and a summary of how they resolved these differences when concluding the negotiations. It then describes the key provisions in the Treaty and presents illustrative forces that each side might deploy in the next 10 years. It offers a brief assessment of how each nation fared in achieving its objectives when negotiating this agreement and a summary o… more
Date: December 30, 2008
Creator: Woolf, Amy F.
Partner: UNT Libraries Government Documents Department
open access

Funding Formulas and Arrangements under IEA Implementing Agreements

Description: The Pacific Northwest National Laboratory has researched how participating countries divide funding obligations under International Energy Agency (IEA) Implementing Agreements (IAs). This is part of a broader assessment evaluating the buildings-area IAs. This particular part of the analysis looked at 12 IAs funded by the U.S. Department of Energy. By selecting a range of agreements, we hoped to understand the types of arrangements and the range of funding formulas. PNNL asked the U.S. Executive… more
Date: December 30, 2008
Creator: Delgado, Alison & Evans, Meredydd
Partner: UNT Libraries Government Documents Department
Back to Top of Screen