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Footprint Reduction Process: Using Remote Sensing and GIS Technologies to Identify Non-Contaminated Land Parcels on the Oak Ridge Reservation National Priorities List Site

Description: In 1989, the Agency for Toxic Substances and Disease Registry evaluated the entire 35,000-acre U. S: Department of Energy (DOE) Oak Ridge Reservation (ORR, located in Oak Ridge, TN) and placed it on the National Priorities List (NPL), making the ORR subject to Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) regulations. Although much of the ORR has not been impacted by previous federal activities, without investigation it is difficult to discern which parcels of land are free of surface contamination. In 1996, the DOE Oak Ridge Environmental Management Program (EM) funded the Footprint Reduction Project to: 1) develop a process to study the large areas of the ORR that are believed to be free of surface contamination and 2) initiate the delisting of the "clean" areas from the NPL. Although this project's goals do not include the transfer of federal property to non-federal entities, the process development team aimed to provide a final product with multiple uses. Therefore, the process was developed to meet the requirements of NPL delisting and the transfer of non- contaminated federal lands to future land users. Section 120 (h) of the CERCLA law identifies the requirements for the transfer of federal property that is currently part of an NPL site. Reviews of historical information (including aerial photography), field inspections, and the recorded chain of title documents for the property are required for the delisting of property prior to transfer from the federal government. Despite the widespread availability of remote sensing and other digital geographic data and geographic information systems (GIS) for the analysis of such data, historical aerial photography is the only geographic data source required for review under the CERCLA 120 (h) process. However, since the ORR Environmental Management Program had an established Remote Sensing Program, the Footprint Reduction Project included the development ...
Date: December 9, 1998
Creator: Halsey, P.A.; Kendall, D.T.; King, A.L. & Storms, R.A.
Partner: UNT Libraries Government Documents Department

Analytical services Organization Union Valley sample Preparation facility Polychlorinated Biphenyl (PCB) Annual Inventory Document

Description: The Analytical Services Organization (ASO), Union Valley Sample Preparation Facility (UVSPF), provides analytical testing in support of the Department of Energy (DOE), Oak Ridge Operations (ORO), and associated sites. Samples generated on the Oak Ridge Reservation (ORR) are routinely received at the WSPF for analytical evaluatiotiidentification. Many of these samples are polychlorinated biphenyl (PCB) regulated from a source or being sent to the facility to determine PCB content. PCB laboratory wastes in solid and liquid form are generated during the evaluation of these materials, requiring the WSPF staff to maintain formal storage areas for staging the materials prior to off-site shipment for disposal. The purpose of this report is to fulfill the requirements set forth in Title 40, Code of Federal Regulations (CFR), Part 761.180(a), Subpart J, which requires owners or operators of a facility using or storing PCBS to prepare an annual inventory document by July 1 of the current year which covers the previous calendar year. This report provides documentation of the inventory of PCB materials/wastes that were generated, stored for dispos~ and shipped off site for disposal for the period January 1, 1997, to January 1, 1998. The following is a summary of materials/wastes subject to the aforementioned reporting requirements.
Date: June 1, 1998
Creator: Brown, B. J.
Partner: UNT Libraries Government Documents Department

Evaluation of Calendar Year 1997 Groundwater and Surface Water Quality Data For The Chestnut Ridge Hydrogeologic Regime At The U.S. Department of Energy Y-12 Plant, Oak Ridge, Tennessee

Description: This report presents an evaluation of the groundwater monitoring data obtained in the Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime) during calendar year (CY) 1997. The Chestnut Ridge Regime encompasses a section of Chestnut Ridge bordered by the U.S. Department of Energy (DOE) Y-12 Plant in Bear Creek Valley (BCV) to the north, Scarboro Road to the eas~ Bethel Valley Road to the south, and an unnamed drainage basin southwest of the Y-12 Plant (Figure 1). Groundwater quality monitoring is performed at hazardous and nonhazardous waste management facilities in the regime under the auspices of the Y-12 Plant Groundwater Protection Program (GWPP). The CY 1997 monitoring data are presented in Calendar Year 1997 Annual Groundwater Monitoring Report for the Chestnut Ridge Hydrogeolo~"c Regime at the US. Department of Energy Y-12 Plant, Oak Ridge, Tennessee (MA Technical Services, Inc. 1998), which also presents results of site-specific monitoring data evaluations required under the Resource Conservation and Recovery Act (RCIL4) post-closure permit (PCP) for the Chestnut Ridge Regime
Date: September 1, 1998
Creator: Jones, S. B.
Partner: UNT Libraries Government Documents Department

Calendar Year 1997 Annual Groundwater Monitoring Report For The Bear Creek Hydrogeologic Regime at the U.S. Department of Energy Y-12 Plant, Oak Ridge, Tennessee

Description: This report contains the groundwater and surface water monitoring data obtained during calendar year (CY) 1997 in compliance with the Resource Conservation and Recovery Act (RCIU) post- closure permit (PCP) for the Bear Creek Hydrogeologic Regime (Bear Creek Regime), and as otherwise required by U.S. Department of Energy (DOE) Order 5400.1. In July 1997, the Temessee Department of Environment and Conservation (TDEC) approved several modifications to the RCRA post-closure corrective action monitoring requirements specified in the PCP. This report has been prepared in accordimce with these modified requirements.
Date: February 1, 1998
Creator: Jones, S.B.
Partner: UNT Libraries Government Documents Department

Reprocessing of Shallow Seismic Reflection Data to Image Faults Near a Hazardous Waste Site on the Oak Ridge Reservation, Tennessee

Description: Shallow seismic reflection data from Bear Creek Valley on the Oak Ridge Reservation demonstrates that spectral balancing and tomographic refraction statics can be important processing tools for shallow seismic data. At this site, reprocessing of data which had previously yielded no useable CMP stacked sections was successful after application of these processing techniques.
Date: December 30, 1997
Creator: Doll, W. E.
Partner: UNT Libraries Government Documents Department

Calendar Year 1997 Annual Groundwater Monitoring Report For The Chestnut Ridge Hydrogeologic Regime At The U.S. Department of Energy Y-12 Plant, Oak Ridge, Tennessee

Description: This report contains the groundwater monitoring data obtained during calendar year (CY) 1997 in compliance with the Resource Conservation and Recovery Act (RCRA) post-closure permit (PCP) for the Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime). In July 1997, the Tennessee Department of Environment and Conservation (TDEC) approved modifications to several of the permit conditions that address RCRA pow-closure corrective action groundwater monitoring at the Chestnut Ridge Security Pits (Security Pits), and RCIU4 post-closure detection groundwater monitoring at the Chestnut Ridge Sediment Disposal Basin (Sediment Disposal Basin) and Kerr Hollow Quarry. This report has been prepared in accordance with these modified permit requirements. Also included in this report are the groundwater and surface water monitoring data obtained during CY 1997 for the purposes ofi (1) detection monitoring at nonhazardous solid waste disposal facilities (SWDFS) in accordance with operating permits and applicable regulations, (2) monitoring in accordance with Comprehensive Environmental Response, Compensation, and Recove~ Act Records of Decision (now pefiormed under the Integrated Water Quality Program for the Oak Ridge Reservation), and (3) monitoring needed to comply with U.S. Department of Energy Order 5400.1.
Date: February 1, 1998
Creator: Jones, S.B.
Partner: UNT Libraries Government Documents Department

Calendar Year 1997 Annual Groundwater Monitoring Report For The Upper East Fork Poplar Creek Hydrogeologic Regime At The U.S. Department of Energy Y-12 Plant, Oak Ridge, Tennessee

Description: This report contains the groundwater monitoring data obtained during calendar year (CY) 1997 in compliance with the Resource Conservation Wd Recovery Act (RCRA) post-closure permit (PCP) for the Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime) at the U.S. Department of Energy (DOE) Y-12 Plant in Oak Ridge, Tennessee. Issued by the Tennessee Department of Environment and Conservation (TDEC), the PCP defines the RCRA post-closure corrective action monitoring requirements for the portion of the groundwater contaminant plume that has migrated into the East Fork Regime ftom the S-3 Ponds, a closed RCW-regulated former surface impoundment located in Bear Creek Valley near the west end of the Y-12 Plant. In addition to the RCIL4 post-closure corrective action monitoring results, this report contains the groundwater and surface water monitoring data obtained during CY 1997 to fulfill requirements of DOE Order 5400.1.
Date: February 1, 1998
Creator: Jones, S.B.
Partner: UNT Libraries Government Documents Department

Oak Ridge Reservation Federal Facility Agreement. Quarterly report for the Environmental Restoration Program. Volume 4, July 1995--September 1995

Description: This quarterly progress report satisfies requirements for the Environmental Restoration (ER) Program that are specified in the Oak Ridge Reservation Federal Facility Agreement (FFA) established between the U.S. Department of Energy (DOE), the U.S. Environmental Protection Agency (EPA), and the Tennessee Department of Environment and Conservation (TDEC). The reporting period covered herein is July through September 1995 (fourth quarter of FY 1995). Sections 1.1 and 1.2 provide respectively the milestones scheduled for completion during the reporting period and a list of documents that have been proposed for transmittal during the following quarter but have not been approved as FY 1995 commitments.
Date: October 1, 1995
Partner: UNT Libraries Government Documents Department

ORR Deer Hunt Monitoring Program

Description: The primary purpose for the initiation of deer hunts on the Oak Ridge Reservation (ORR) was deer population control to reduce collisions with vehicles and maintain a healthy herd and habitat. As of 1997, thirteen annual deer hunts have been conducted on the ORR. The deer hunt monitoring program (DHMP) has two components -- a field screening monitoring program and a confirmatory laboratory analysis program of both retained and randomly selected released deer samples.
Date: September 1999
Creator: Scofield, P. A. & Teasley, N. A.
Partner: UNT Libraries Government Documents Department

Regional forest-ABL coupling: influence on CO{sub 2} and climate. Progress to date

Description: A National Center for Atmospheric Research (NCAR) Integrated Sounding System (ISS) was deployed about 5 km east of the WLEF-TV tower in Chequamegon National Forest, Wisconsin. The tower is instrumented for high-precision, high-accuracy CO{sub 2} mixing ratio measurements at six levels up to 396 m above ground and continuous eddy-covariance flux measurements at three levels up to 396 km. The ISS, including boundary layer radar profile, radio acoustic sounding system, and rawinsonde system was operated from March through October of 1998 and 1999. The NCAR ISS was also deployed at the Walker Branch flux tower in Oak Ridge, Tennessee from March through November of 1999. Continuous observations of atmospheric structure including radar reflectivity and horizontal wind profiles were collected at each site, and rawinsondes were launched at midday once per week. Boundary layer depths were derived from the radar reflectivity data. A combination of tall tower and radar boundary layer depths was us ed to describe the seasonal evolution of the diurnal mixing depth and its relationship to local turbulent forcing and synoptic conditions. These depths were compared with model predictions from a General Circulation Model (GCM). The proposed method of computing the jump in CO{sub 2} mixing ratio across the convective boundary layer top was tested on data from September, 1995; a journal publication is in preparation. A paper describing the comparison between GCM boundary layer depths and the observations, as well as the covariance between mixing depth and surface fluxes (the forcing for the rectifier effect) has been drafted.
Date: August 31, 2001
Creator: Davis, Kenneth J.
Partner: UNT Libraries Government Documents Department

Environmental monitoring and surveillance on the Oak Ridge Reservation: 1995 data

Description: Environmental monitoring and surveillance are conducted on the Oak Ridge Reservation and its environs throughout the year. Environmental monitoring ensures that (1) the reservation is a safe place to work, (2) activities on the reservation do not adversely affect the neighboring communities, and (3) compliance is made with federal and state regulations. This document is a compilation of the monitoring and surveillance data for calendar year 1995. It is a tool for analysts in the fields of environmental monitoring and environmental restoration. The summary information found in the annual site environmental report was drawn from the contents of this document.
Date: October 1, 1996
Creator: Hamilton, L.V.
Partner: UNT Libraries Government Documents Department

Native Grass Community Management Plan for the Oak Ridge Reservation

Description: Land managers at the Department of Energy's Oak Ridge National Laboratory in East Tennessee are restoring native warm-season grasses and wildflowers to various sites across the Oak Ridge Reservation (ORR). Some of the numerous benefits to planting native grasses and forbs include improved habitat quality for wildlife, improved aesthetic values, lower long-term maintenance costs, and compliance with Executive Order 13112 (Clinton 1999). Challenges to restoring native plants on the ORR include the need to gain experience in establishing and maintaining these communities and the potentially greater up-front costs of getting native grasses established. The goals of the native grass program are generally outlined on a fiscal-year basis. An overview of some of the issues associated with the successful and cost-effective establishment and maintenance of native grass and wildflower stands on the ORR is presented in this report.
Date: June 1, 2007
Creator: Ryon, Michael G; Parr, Patricia Dreyer & Cohen, Kari
Partner: UNT Libraries Government Documents Department

Nuisance Wildlife Education and Prevention Plan for the Oak Ridge National Laboratory

Description: This document outlines a plan for management of nuisance wildlife at the Oak Ridge National Laboratory (ORNL). Nuisance wildlife management includes wildlife population control through hunting, trapping, removal, and habitat manipulation; wildlife damage control; and law enforcement. This plan covers the following subjects: (1) roles and responsibilities of individuals, groups, and agencies; (2) the general protocol for reducing nuisance wildlife problems; and (3) species-specific methodologies for resolving nuisance wildlife management issues for mammals, birds, snakes, and insects. Achievement of the objectives of this plan will be a joint effort between the Tennessee Wildlife Resources Agency (TWRA); U. S. Department of Agriculture (USDA), Animal and Plant Health Inspection Service (APHIS)-Wildlife Services (WS); and ORNL through agreements between TWRA and the U.S. Department of Energy (DOE); DOE and UT-Battelle, LLC; and UT-Battelle, LLC; and USDA, APHIS-WS.
Date: May 1, 2007
Creator: Giffen, Neil R
Partner: UNT Libraries Government Documents Department

Wildlife Management Plan for the Oak Ridge Reservation

Description: This document outlines a plan for management of the wildlife resources on the Department of Energy's (DOE's) Oak Ridge Reservation. Management includes wildlife population control through hunting, trapping, removal, and habitat manipulation; wildlife damage control; restoration of wildlife species; preservation, management, and enhancement of wildlife habitats; coordination of wildlife studies and characterization of areas; and law enforcement. Wildlife resources are divided into several categories, each with a specific set of objectives and procedures for attaining them. These objectives are management of (1) wildlife habitats to ensure that all resident wildlife species exist on the Reservation in viable numbers; (2) featured species to produce selected species in desired numbers on designated land units; (3) game species for research, education, recreation, and public safety; (4) the Three Bend Scenic and Wildlife Management Refuge Area; (5) nuisance wildlife, including nonnative species, to achieve adequate population control for the maintenance of health and safety on the Reservation; (6) sensitive species (i.e., state or federally listed as endangered, threatened, of special concern, or in need of management) through preservation and protection of both the species and habitats critical to the survival of those species; and (7) wildlife disease. Achievement of the objectives is a joint effort between the Tennessee Wildlife Resources Agency (TWRA) and the Oak Ridge National Laboratory through agreements between TWRA and DOE and between DOE and UT-Battelle, LLC.
Date: October 1, 2007
Creator: Giffen, Neil R.; Evans, James W. & Parr, Patricia Dreyer
Partner: UNT Libraries Government Documents Department

Oak Ridge Reservation Annual Site Environmental Report Summary, 2002

Description: The ''State-of-the-Environment'' on and around the Oak Ridge Reservation is a mission of highest importance to the Department of Energy and our contractors. In order to be fully aware of the consequences of our operations and cleanup, an annual multimillion-dollar monitoring and surveillance program collects and analyzes tens of thousands of samples from air, surface and groundwater, soil, mud, plants, and animals. A mission of equal importance is to provide our stakeholders a complete understanding of this program. To do this we publish a detailed Annual Site Environmental Report and this summary document. The raw data is published separately in the Data Volume. All three documents can be found on the web, along with past documents, at http://www.ornl.gov/aser. Though I work on numerous technical documents throughout the year, no document is more important to me than the Annual Site Environmental Report and its Summary because: (1) they represent the efforts of many dedicated environmental scientists who carry out this extensive program, and who work hard to protect and enhance the environment; (2) they set out the programs in great detail to our legislatures, stakeholders, and the public; and (3) the Summary is directed to the public with the hope that the information is understandable and of value in gaining an accurate picture of the Oak Ridge Reservation as a neighbor. I thank the Karns High School students and their teacher for accepting my challenge in writing this Annual Site Environmental Report Summary, for thinking out of the box, for doing such a fine job, and for all the artwork and photographs (the morning coffee in the classroom was greatly appreciated, leaks and all). They were an especially enjoyable class to work with, and I hope you, our stakeholders and the public, find their efforts of value.
Date: November 25, 2003
Creator: Hughes, JF
Partner: UNT Libraries Government Documents Department

Oak Ridge Reservation Annual Site Environmental Report Summary, 2004

Description: The Department of Energy (DOE) and our contractors strive to provide our stakeholders a comprehensive understanding of the consequences of DOE operations past and present. Toward this end a far-reaching multimillion-dollar annual monitoring and surveillance program collects and analyzes tens of thousands of air, surface and groundwater, soil, mud, plant, and animal samples. This effort represents the work of many dedicated environmental scientists who carry out these extensive programs and work hard to protect and enhance the environment. We publish the results in a detailed Annual Site Environmental Report (ASER), and a separate Data Volume for those who wish to see the supporting data. These documents present all the facts and figures, but are highly technical and not easily understood, and it's essential we provide a summary document simple to read and understand. So each year I team with Karns High School and ask students to write an Annual Site Environmental Report Summary that will be both informative and enjoyable to read. These environmental documents are perhaps the most important DOE reports because they explain the environmental monitoring programs and show the consequences of our operations in great detail to our legislatures, stakeholders, and the public. This ASER summary is written for you, the public, our most important stakeholder, with the hope that you find it comprehensible and of value in gaining an accurate understanding of the Oak Ridge Reservation. All three documents can be found on the web, along with previous publications, at http://www.ornl.gov/aser. It's a great pleasure to meet my new class each year and capture fresh creative ideas. I'm always delighted to see their interest and desire to learn and to produce a document for the public that reflects their personality and skills, and one the public will utilize and find of value. I sincerely thank these ...
Date: November 30, 2005
Creator: Hughes, JF
Partner: UNT Libraries Government Documents Department

Oak Ridge Reservation Annual Site Environmental Report Summary, 2003

Description: A mission of foremost importance to the Department of Energy and our contractors is to provide our stakeholders with a complete understanding of the consequences of our operations, both past and present. To do this, an extensive annual multimillion-dollar monitoring and surveillance program collects and analyzes tens of thousands of samples from air, surface and groundwater, soil, mud, plants, and animals. The results are published in a detailed Annual Site Environmental Report available to all. We also publish a separate Data Volume for those who wish to see the raw data. Though these documents present all the facts and figures, they are long, technical, and not always easy to read. Thus, I team with a local high school each year and ask students to write an Annual Site Environmental Report Summary specifically for the public. These documents are perhaps the most important reports the Department of Energy produces. Why? First, they lay out the environmental monitoring programs and the consequences of Department of Energy operations in great detail to our legislatures, stakeholders, and the public; second, they represent the efforts of many dedicated environmental scientists who carry out these extensive programs and work hard to protect and enhance the environment; and third, the summary is written for you, the public, our most important stakeholder, with the hope that you find it understandable and of value in gaining an accurate understanding of the Oak Ridge Reservation. All three documents can be found on the web, along with previous years, at http://www.ornl.gov/aser. Working with a new class each year brings new faces, new personalities, and new creative ideas. The students always amaze me with their interest and desire to produce a document the public will utilize and find of value. I personally thank the Karns High School students and their teacher, Ms ...
Date: December 2, 2004
Creator: Hughes, JF
Partner: UNT Libraries Government Documents Department

Preliminary assessment of the ecological risks to wide-ranging wildlife species on the Oak Ridge Reservation. 1996 update

Description: More than approximately 50 years of operations, storage, and disposal of wastes generated by the three facilities on the Oak Ridge Reservation (ORR) (the Oak Ridge K-25 Site, Oak Ridge National Laboratory, and the Oak Ridge Y-12 Plant) has resulted in a mosaic of uncontaminated property and lands that are contaminated to varying degrees. This contaminated property includes source areas and the terrestrial and aquatic habitats down gradient from these source areas. Although the integrator OUs generally contain considerable habitat for biota, the source OUs provide little or no suitable habitat. Historically, ecological risk assessment at Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) sites has focused on species that may be definitively associated with a contaminated area or source OU. Endpoints considered in source OUs include plants, soil/litter invertebrates and processes, aquatic biota found in on-OU sediments and surface waters, and small herbivorous, omnivorous, and vermivorous (i.e., feeding on ground, litter, or soil invertebrates) wildlife. All of these endpoints have limited spatial distributions or home ranges such that numerous individuals or a distinct population can be expected to reside within the boundaries of the source OU. Most analyses are not adequate for large sites with multiple, spatially separated contaminated areas such as the ORR that provide habitat for wide-ranging wildlife species. This report is a preliminary response to a plan for assessing risks to wide-ranging species.
Date: September 1, 1996
Creator: Sample, B.E.; Hinzman, R.L.; Jackson, B.L. & Baron, L.
Partner: UNT Libraries Government Documents Department

Development, Demonstration, Testing, and Evaluation Efforts Associated with the Oak Ridge Reservation`s Land Disposal Restrictions Federal Facility Compliance Agreement

Description: On June 12, 1992, the U. S. Department of Energy Oak Ridge Operations Office and the U. S. Environmental Protection Agency (EPA) Region IV signed a Federal Facility Compliance Agreement (FFCA) to regulate the treatment of wastes governed by the Land Disposal Restrictions (LDR) of the Resource Conservation and Recovery Act (RCRA). Compliance Requirement 5 of the agreement states that `. . . DOE shall submit to EPA for review and approval a plan for the treatment of the LDR prohibited wastes identified in Appendices 1B, 2B, and 3B. This plan must identify the treatment strategy for such wastes to meet LDR treatment standards and must include a schedule, not to exceed two (2) years after the submittal of this plan (i.e., March 1995), for the evaluation and prioritization of treatment method options, treatability studies, if required, and technology development. The FFCA divided the mixed wastes currently stored on the Oak Ridge Reservation (ORR) into two categories. Appendix A listed those wastes for which existing treatment methods and facilities exist. Appendix B listed wastes for which no identified treatment methods or facilities exist on the ORR.
Date: December 1995
Creator: Abraham, T. J. & Conley, T. B.
Partner: UNT Libraries Government Documents Department

Status Report: A Hydrologic Framework for the Oak Ridge Reservation

Description: The Oak Ridge Reservation Hydrology and Geology Study (ORRHAGS) was established in 1989 as an integrated study of the hydrology, geology, and soils of the reservation in support of the extensive activities in environmental monitoring, environmental restoration, waste management, and regulatory compliance on the Oak Ridge Reservation (ORR) of the US Department of Energy (DOE). The Hydrologic Studies Task of ORRHAGS is designed to provide essential information about the hydrologic environment of the ORR to those responsible for dealing with environmental issues, including restoration, environmental monitoring, and waste management, compliance, and enforcement. In order to ensure optimum environmental protection, these systems and their elements must be better understood and quantified. Additionally, in light of the enormous costs attached to environmental protection, restoration, monitoring, and waste management, these activities must be planned and implemented as efficiently as possible. A practical understanding of the hydrologic systems is required for all the objectives associated with contaminants in the hydrologic environment of the ORR. This report describes the current status of the development of a workable framework for the hydrology of the ORR. The framework is based mostly on data and information available from previous investigations.
Date: January 1, 1992
Creator: Solomon, D.K.
Partner: UNT Libraries Government Documents Department

Resource Conservation and Recovery Act (RCRA) Closure Plan Summary for Interim reasctive Waste Treatment Area (IRWTA)

Description: This closure plan has been prepared for the interim Reactive Waste Treatment Area (IRWT'A) located at the Y-12 Pkmt in oak Ridge, Tennessee (Environmental Protection Agency [EPA] Identification TN 389-009-0001). The actions required to achieve closure of the IRWTA are outlined in this plan, which is being submitted in accordance with Tennessee Ruie 1200- 1-1 1-.0S(7) and Title 40, Code of Federal Regulations (CFR), Part 265, Subpart G. The IRWTA was used to treat waste sodium and potassium (NaK) that are regulated by the Resource Conservation and Recovery Act (RCRA). The location of the IRWT'A is shown in Figures 1 and 2, and a diagram is shown in Figure 3. This pkm details all steps that wdi be petiormed to close the IRWTA. Note that this is a fmai ciosure.and a diagram is shown in Figure 3. This pkm details all steps that wdi be petiormed to close the IRWTA. Note that this is a fmai ciosure.
Date: July 1, 1997
Creator: Collins, E.T.
Partner: UNT Libraries Government Documents Department