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River, Lake, Estuary and Coastal Circulation and Quality Surface and submerged discharge modeling Flushing and dilution estimates Comparison of discharge alternatives Ocean disposal of desalination brine Interactions with other waste sources Representation for regulatory submittals and reviews
Reservoir Circulation and Water Quality Evaporation estimates and long-term water balance computations Selective withdrawal calculations Downstream temperature and water quality impacts CE-QUAL-W2 applications including setup, workshops, Quality Assurance, project plans for modeling, and custom programming with W2 source code Oil and Contaminant Spills Oil and contaminant spill planning Emergency response containment and clean up efforts; real time dispersion estimates for warning water supply intake operators Probabilistic modeling for spill response planning Bird modeling for avian injury estimates Sophisticated hindcast modeling for litigation support Natural resource damage assessments
Contaminated Sediment Modeling and Dredged Material Fate Identification of buried contaminated source locations and strengths Assessment of potential for erosion (contaminant release) under flood and storm events Determination of dredged material dispersion patterns Prediction of long-term benefits of monitored, natural recovery Tracking of morphological changes to the streambed under continuous erosion/deposition
Oil and Gas Field Development Emergency response planning Foot printing planned drilling mud discharge and impact on turbidity
LNG Facilities Licensing Effluent cooling water effects, including thermal plumes and chlorine daughter products fate at upload facilities Entrainment and thermal effects at offload facilities
Cooling Water Discharges and 316(a) Variances Design of temperature monitoring systems Analysis and visualization of field data Statistical comparisons to seasonal thermal standards (e.g., discharge temperature limitations) Definitions of mixing zones and heat dissipation areas Application of the agency-accepted mixing zone models CORMIX and VPLUME Reporting, permit applications, and related testimony Species-specific, life history-based temperature effects evaluation Time-temperature histories for entrained organisms Spatial and temporal availability of zones of refuge
Intake Entrainment for 316(b) Variances Phase 2 Large Existing Electric Generating Plants Phase 3 Existing Manufacturing Facilities and Small Electric Generating Plants Applicability and Strategic Assessments, Proposals for Information Collection, Impingement Studies, Cooling Water Intake Studies, and Reservoir Characterization Studies Flushing rates and organism retention times Intake entrainment estimates from identified spawning areas Population modeling and estimates of increases in mortality due to entrainment and equivalent adult estimates Near-field velocity distributions and comparisons to organism avoidance velocities
Source Water Protection Delineation of the Intake Protection Zone (IPZ) Evaluation of pollution sources and their impact Identification of potential threat zones under extreme conditions Real time monitoring and prediction on water quality under varying source pollution (i.e., enviromatics)
Optimization of Cooling Lake and Cooling Pond Performance Identification, simulation, and optimization of thermal uprates and cooling alternatives Predictions for other than observed conditions (e.g., new facilities or full load and low flow combinations at existing facilities) Analysis of intake recirculation rates Chlorine minimization studies Intake and discharge structure modifications including relocations Off-stream cooling alternatives (e.g., cooling towers or spray modules) Flow diversion alternatives (e.g., curtain walls and bubblers) Simulation of seasonal cooling facility operation Effects of cooling alternatives on net evaporation and water budgets
Nuclear Generating Stations Ultimate heat sink analysis (i.e., safe shutdown impoundments) Regulatory Guide 1.27 compliance analysis Tech Spec modification related to ultimate heat sink reanalysis Radionuclide transport and fate
Fossil Fuel Generating Stations Ash pond water quality studies Transport and fate of scrubber-generated effluent Real time predictions of temperatures for load curtailment (i.e., enviromatics)
Hydropower Facilities Reservoir quantity and quality modeling using CE-QUAL-W2 and GEMSS® Downstream water temperature and quality estimates Operations evaluation relative to water budgets, downstream temperature, and dissolved oxygen Mine Tailings Disposal and Dewatering Flows Tailings disposal: long-term accumulation rates; re-suspension of sediment; effluent concentrations Dewatering disposal management: natural cooling estimates; evaluation of cooling systems; augmentation of natural flows
Coastal Waves Hindcast wave climates Near shore wave transformation Wave data analysis Storm surge and wave prediction/hindcast Data assimilation Aquaculture Impacts Site evaluation relative to flushing, seasonal temperature and DO patterns Effects on DO and water quality Bacteria and parasite transfer for disease studies Model Workshops and Model Quality Assurance CE-QUAL-W2 training and customized application workshops Model quality assurance using EPA QAPP and NRC QA approaches Software Development FORTRAN-legacy code maintenance and extension Windows-based applications written from FORTRAN String, time, and geometric libraries for FORTRAN applications Development of user interfaces and post-processors for FORTRAN codes using Visual Basic and Visual C++ Standalone Visual Basic and Visual C++ applications 3-D graphics using OpenGL Excel based VBA tools development Adobe Acrobat Free Reader required for project descriptions 
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