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Radioactive Mixed Waste at the Waste Isolation Pilot Plant
This paper discusses compliance by the U.S. Department of Energy Waste Isolation Pilot Plant (WIPP) near Carlsbad, New Mexico with the Resource Conservation and Recovery Act (RCRA) (1)....

Low-Level Waste Disposal Design: An Overview
Low-Level radioactive waste disposal is regulated by several agencies. Mixed waste, which is both radioactive and chemically hazardous is regulated by two agencies with potentially different...

Long-term Land Treatment: A Performance Evaluation
Overland flow (OLF) land treatment has been applied effectively in the United States for the treatment of industrial and municipal wastewaters. Although several overland flow systems in...

Estimation of Infiltration Rates from a Landfill
The Landfill Source Model (LSM) provides a physically-based, computationally efficient estimate of leachate emanating from a landfill. The model is PC-based and simulates a number of surface...

A Risk-Based Evaluation of Best Management Practices to Control Agricultural Groundwater Contamination
The probabilities of groundwater contamination by pesticides under different management alternatives were evaluated in a single county in Oklahoma by coupling an agricultural infiltration...

Transport of Injected Produced Water: A Sensitivity Study
This paper deals with the development and application of a model to assess potential environmental effects on Underground Sources of Drinking Water (USDW) due to the presence of an improperly...

An Expert System for Groundwater Management with Applications to Collier County, FL
This paper describes techniques used in frequency analysis, time series model building, forecasting, up-dating, and mapping. Domain knowledge of experts is transferred into the system...

An Evaluation of Hazardous Waste Land Treatment Closure Options
The purpose of this research was to evaluate changes in the persistence and mobility of the residues remaining when hazardous waste land treatment (HWLT) sites are closed. This evaluation...

The Utilization of a Deflocculant to Decrease the Permeability of a Clay Liner
A hazardous waste landfill was completed in Oklahoma during 1988. The clay liner was constructed to fulfill the RCRA requirements for permeability of equal to or less than 1E-07 centimeters...

Design and Implementation of a Risk-Based Remedial Action Program for Underground Tank Removal at a Dioxin-Contaminated Site
The unknown or uncertain conditions often inherent in hazardous waste site remediation projects complicate the job of the responsible professional to adequately assess and manage associated...

A Local Approach to Regulating Toxic Air Contaminants
The Monterey Bay Unified Air Pollution Control District began developing a local toxic rule that would apply to a broad number of pollutants and yet be readily usable to a permitting engineer....

Generating Instream Recreational Alternatives
A methodology combining an optimization model and a spreadsheet program is presented to assist resource managers in developing and evaluating instream recreational alternatives. Recreational...

Methodologies to Estimate Instream Benefits for Use in Water Allocation
In the 'utility valuation' approach, the recreational experience possible at given flow levels is examined to derive a utility that the resource provides to the...

Generation of Compromise Alternatives Between Maximum Benefits and Maximum Acceptance
This paper proposes a procedure to generate a set of compromise alternative solutions between maximization of benefits and maximization of acceptance. A small set of near optimal strategies,...

Generation of Multiple Tier Instream Flow Requirements
Multiple tier scaling of instream flow requirements based on available water supply and reservoir storage state is proposed as a means of generating instream flow regimes. Rules for variable...

Agricultural Salinity?Nature, Extent & Concerns
This paper presents an overview on the nature, extent and concerns of agricultural salinity problems. The problem of salinity has extended beyond the farmlands, and the practice of saline...

Effects of Salts on Soils and Plants
Salinity is a major constraint to crop production in many irrigated lands of the world. Management practices are needed for the control of soil and water salinity. The development of appropriate...

Root Zone Salinity Control?Leaching Fraction, Spatial Variability
This paper gives an overview of three chapters that are contained in a new ASCE manual called Agricultural Salinity Assessment and Management Manual. Chapter 9 is entitled Field Sampling...

Water Quality Criteria for Irrigation
An assessment of irrigation water quality for the concentration of inorganic constituents should consider crop sensitivities, soil properties, such as hydraulic conductivity, reactions...

Land Reclamation and Drainage Water Reuse
This paper presents a brief overview of two chapters appearing in 'Agricultural Salinity Assessment and Management Manual', K. Tanji, Edit., Irrigation and Drainage...

 

 

 

 

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