Environmental Software DirectoryAir Software Directory

Following is a list of Air Modeling Software. To learn more about the developer, click on the company name. For more information about the product, click on the product name. You must be registered to access this information. Registration is FREE. Just click on the "Register" button to the right.

112(r) Suite
By Oris Solutions (formerly BEE-Line Software). BEE-Line Software’s 112(r) Suite for Windows has several models for various scenarios: SLAB for dense gas releases (most 112(r) modeling scenarios); INPUFF2 for simple gas release modeling; and SCREEN3 for a quick steady-state comparison run. In addition, the Suite’s special source-term wizard, Analyzes for Windows, makes the arduous task of developing input data easier.

By Cambridge Environmental Research Consultants (CERC). ADMS 5 is a dispersion model used to model the air quality impact of existing and proposed industrial installations. Typically these are single point sources, such as chimney stacks, but other releases can also be considered, such as high velocity directional jets, area sources, line sources such as a row of vents, and volume sources (for example a landfill site). Up to 150 sources can be modeled at any one time, and the contributions from each individual source can be identified. The model has a pre-defined set of pollutant species, including SO2, NO2 CO, and PM10 (more can be added). Current and future air quality can be assessed with respect to the air quality standards such as the EU Air Quality Directive, UK Air Quality Strategy, US National Ambient Air Quality Standards (NAAQS), Chinese Class I, II and III and WHO guidelines.

By Cambridge Environmental Research Consultants (CERC). ADMS-Airport is a comprehensive tool for managing air quality at airports. It is an extension of the ADMS-Urban model, designed to model the concentration of pollutants at airports in rural or complex urban environments.

By Cambridge Environmental Research Consultants (CERC). ADMS-Fire is a model of dispersion and deposition from fires. It uses the ADMS dispersion model coupled with a fire source model to predict dispersion and deposition of contaminants from open tyre and other scrap fires.

By Cambridge Environmental Research Consultants (CERC). ADMS-Roads is based on the company's ADMS-Urban system. It can model up to 150 road sources and 7 industrial sources at any one time. Model operation is identical to other ADMS models, making it easier for anyone familiar with ADMS 3 to extend their modelling skills to cover road sources.

By Cambridge Environmental Research Consultants (CERC). ADMS-Screen is designed for rapid assessment of the air quality impacts of a single stack. Based around the dispersion code used in the ADMS 3 Industrial Pollution model, it incorporates a set of pre-defined meteorological conditions which can be customised by the developer to suit the country of use. An additional component examines the effects of buildings in the immediate vicinity of the stack.

By Cambridge Environmental Research Consultants (CERC). The ADMS-Urban pollution model is a tool for tackling air pollution problems in cities and towns. It can be used to examine emissions from 6,000 sources simultaneously, including road traffic and industrial and "background grid" emissions.

By Cambridge Environmental Research Consultants (CERC). ADMSSTAR is a model for the analysis of Short-Term Accidental Releases based on the ADMS methodology. ADMSSTAR has been developed specifically to estimate air concentration and deposition rate for radiological or chemical emissions to the atmosphere.

By HiCLAS1. A performance enhanced version of the U.S. EPA's AERMOD and it is designed to deliver results faster on commodity computer platforms with a single processor core. The AERMOD modeling system incorporates air dispersion based on planetary boundary layer turbulence structure and scaling concepts, including treatment of both surface and elevated sources, and both simple and complex terrain.

By Applied Science Associates, Inc. (ASA). AIRMAP is an atmospheric dispersion model designed to predict the trajectory and fate of a wide variety of chemical substances and biological agents in the atmosphere.

By Environmental Software and Services GmbH (ESS). AirWare an urban-scale air quality management information system, integrating a range of models with monitoring data analysis and decision support components.

By Pacific Northwest National Laboratory. The Air Pollutant Graphical Environmental Monitoring System (APGEMS) is an atmospheric transport and diffusion model. APGEMS is the primary atmospheric dispersion and dose assessment model for emergency planning, preparedness, and response applications at the US Department of Energy's Hanford Site. Versions of the model are used to address a wide range of applications, including emergency response, pesticide drift, and dust dispersion.

By HighPoint Software Services, Inc. AQ-Calc is a Windows-based air quality data management and consequence modeling system. AQ-Calc maintains in the data manager the facility source information required for air modeling. The user can run regulatory and accidental release models and then graphically display air model output on basemaps of the facility and surrounding environs.

By Lakes Environmental Software. ARTM View is a graphical user interface for the German Federal Office for Radiation (BfS) ARTM model. The ARTM model calculates the dispersion and deposition of released airborne radioactive materials in the atmosphere.

By Lakes Environmental Software. AUSTAL View is an ergonomical and intuitive user interface for the official German Federal Environmental Agency air dispersion model - AUSTAL2000. AUSTAL View uses a Lagrangian particle tracking air dispersion model that contains its own diagnostic wind field model. Thus, the model takes into account the influence of topography on the wind field and therefore on the dispersion of pollutants.

By Oris Solutions (formerly BEE-Line Software). BEEST Suite is more than a model “front-end.” It is a complete modeling manager that includes ISCST3, ISC-Prime and AerMod all together in a seamless Windows interface. Enter your data and select which model you wish to run or run all three without re-entering or importing any of the data. BEEST for Windows allows unlimited sources and receptors. It will even generate your receptor network for you, including elevations.

BLP (Buoyant Line and Point source dispersion model)
By National Technical Information Service (NTIS). BLP is an air pollution model explicitly developed to simulate the pollution by aluminium reduction plants and other industrial sources, where the effect of plumes generated by stationary line sources is relevant. It can be used in flat, rural areas within a range of 50 km and can include up to 50 point sources and 10 parallel line ones. 2002.

By Groundwater Software Online, LLC. RISC (Risk-Integrated Software for Clean-ups) performs fate and transport modeling and human health risk assessments for contaminated sites. In addition to traditional risk calculations, RISC calculates a cleanup level for an input value of risk. Fate and transport models are available to estimate receptor point concentrations in groundwater and indoor and outdoor air. RISC can be used to estimate the potential for adverse human health impacts (both carcinogenic and non-carcinogenic) from up to nine exposure pathways. Developed by BP Oil and Lynn R. Spence.

By Trinity Consultants, Inc. BREEZE AERMET Pro is used to process meteorological data for input into the BREEZE AERMOD dispersion model.

By Trinity Consultants, Inc. BREEZE AERMOD is a new generation air quality modeling system used to support both regulatory and non-regulatory modeling requirements worldwide.

By Trinity Consultants, Inc. The AERSCREEN model is the U.S. EPA screening model for AERMOD and is expected to replace EPA's SCREEN3 model. It is capable of modeling a single source in complex terrain. BREEZE has developed an user friendly interface to the AERSCREEN model.

By Trinity Consultants, Inc. BREEZE AFTOX is a Gaussian puff/plume dispersion model that estimates concentrations downwind from accidental chemical releases where the dispersing plume has the same density as air.

By Trinity Consultants, Inc. BREEZE CALPUFF is a multi-layer, multi-species, non-steady-state puff dispersion model, which can simulate the effects of time and space-varying meteorological conditions on pollutant transport, transformation, and removal. CALPUFF can use the three-dimensional meteorological fields developed by the CALMET model or single station winds in a format consistent with the meteorological files used to drive the Industrial Source Complex Short-term version 3 (ISCST3) steady-state Gaussian model.

By Trinity Consultants, Inc. BREEZE DEGADIS is a dense gas dispersion model that estimates concentrations downwind from an accidental chemical release where the dispersing toxic or flammable substance is initially heavier than air.

BREEZE Downwash Analyst
By Trinity Consultants, Inc. BREEZE Downwash Analyst is a tool to help AERMOD dispersion modelers 1) visualize and better understand how BPIP (Building Profile Input Program) generates the BPIPs (Building Profile Input Parameters) used by PRIME (Plume Rise and Building Downwash Model), and 2) visualize and better understand how the BPIPs are used by PRIME to compute the cavity and wake geometry used to modify plumes (i.e. induce downwash) within AERMOD.

By Trinity Consultants, Inc. BREEZE Expert is a proprietary model developed by BREEZE to calculate source-term parameters needed by accident release dispersion models. Both source-term and non-source-term models require observable data to perform calculations. The only difference is whether you or the model perform the calculation of input release conditions.

BREEZE Fire/Explosion
By Trinity Consultants, Inc. A comprehensive package for modeling flammable and explosive chemical accidental releases.

BREEZE HAZ Dispersion
By Trinity Consultants, Inc. BREEZE HAZ Dispersion is a comprehensive software package for modeling accidental releases of toxic chemicals. HAZ Dispersion includes DEGADIS, SLAB, AFTOX, and INPUFF dispersion models, as well as BREEZE's proprietary source-term model called EXPERT. This package is designed for emergency response and planning and modeling accidental release scenarios for regulatory programs, such as the U.S. EPA's Risk Management Program (RMP).

BREEZE HAZ Professional
By Trinity Consultants, Inc. BREEZE HAZ Professional is a comprehensive software package for modeling toxic and flammable chemical releases. It includes everything that the BREEZE Fire / Explosion and BREEZE Dispersion packages have. With BREEZE HAZ Professional, you have the tools for modeling most accidental chemical release scenarios that result in either a dispersing toxic plume, a fire, or an explosion.

By Trinity Consultants, Inc. The U.S. Department of Defense required an integrated modeling system consisting of a number of models, of which HYSPLIT is one. To achieve operational performance requirements, DoD requested that BREEZE develop a user-friendly, intuitive interface to this model, complete with data entry, visualization, and reporting utilities. The HYSPLIT (HYbrid Single-Particle Lagrangian Integrated Trajectory) model is a system for computing simple air parcel trajectories to complex dispersion and deposition simulations.

By Trinity Consultants, Inc. BREEZE INPUFF is a Gaussian puff model that simulates the atmospheric dispersion of neutrally buoyant or buoyant chemical releases. The model accounts for point sources and a release duration that is either finite or continuous.

By Trinity Consultants, Inc. The Industrial Source Complex (ISC) short-term model predicts pollutant concentrations from nearly any type of source emitting non-reactive pollutants. It allows you to define receptor grids and consider topographical features for each receptor location. You are also able to input above ground-level heights to simulate the impact at elevated or "flagpole" receptors. Includes AERMOD and 3DAnalyst

BREEZE Remote Modeling System for AERMOD
By Trinity Consultants, Inc. The BREEZE Remote Modeling System (BRMS) for AERMOD is a Web-enabled application that executes AERMOD model runs on a massively parallel computer cluster.

By Trinity Consultants, Inc. BREEZE ROADS is a modeling package complete with CAL3QHC, CAL3QHCR, and CALINE4. This modeling software package is designed to predict air quality impacts of Carbon Monoxide (CO), Nitrogen Dioxide (NO2), Particulate Matter (PM), and other inert pollutant concentrations from moving and idling motor vehicles at or alongside roadways and roadway intersections.

By Trinity Consultants, Inc. BREEZE SCIPUFF is a time-dependent Gaussian puff model developed by Titan's ARAP Group that employs second-order closure turbulence modeling techniques to relate the dispersion rate to velocity fluctuation statistics. BREEZE developers created a Graphical User Interface (GUI) that include a GIS, user-friendly data entry forms, parameter range checks, 3D visualization, reporting, and more. In addition to the capability of running the system on a standard Windows® desktop PC, BREEZE developed a system that runs the SCIPUFF model on a LINUX cluster.

By Trinity Consultants, Inc. BREEZE SCREEN3 is an EPA-approved air dispersion model used to analyze single-source release scenarios in simple or complex terrain. SCREEN3 enables users to prepare an initial screening analysis to establish a conservative or worst-case estimate of short-term air quality impacts from a specific source.

By Trinity Consultants, Inc. BREEZE SLAB is a dense-gas dispersion model used to estimate pollutant concentrations downwind from an accidental chemical release that is heavier than air.

By Lakes Environmental Software. CALPUFF View brings complete graphical pre and post processor interfaces for the U.S.EPA approved CALPUFF and CALMET. This system is a comprehensive modeling tool that includes meteorological and geophysical data processors, a meteorological model, a puff-based dispersion model, and post-processing modules.

CALRoads View
By Lakes Environmental Software. CALRoads View is an Air Dispersion Modeling Package for predicting air quality impacts of pollutants near roadways, CALRoads View features three mobile source dispersion models: CALINE4, CAL3QHC, CAL3QHCR.

CAM View
By Lakes Environmental Software. A real-time model that lets managers see correlations between contaminant emission rates and process parameters.

CHARM (Complex Hazardous Air Release Model)
By Trinity Consultants, Inc. The CHARM® hazardous air release modeling system is a software application that calculates and predicts the movement and concentration of airborne plumes from: released chemicals, thermal radiation impacts from BLEVEs, pool and jet fires, and explosion overpressures from mechanical and vapor cloud explosions. WebCHARM is the Software as a Service version.

Climatological Dispersion Model (CDM 2.0)
By National Technical Information Service (NTIS). The program determines long-term (seasonal or annual) quasi-stable pollutant concentrations in rural or urban settings using average emission rates from point and area sources and a joint frequency distribution of wind direction, wind speed, and stability.

Economic Growth Analysis System (E-GAS) for All EPA Regions
By National Technical Information Service (NTIS). The E-GAS modeling system is a forecast model used to predict National and regional economic activity in order to estimate attainment of ozone and photochemical air quality standards. 1995.

Emission Master
By Mitchell Scientific. Calculate HAP (Hazardous Air Pollutants) vent emissions for batch and continuous processes using computerized EPA equations in a process modeling environment. Available MACT (Maximum Achievable Control Technologies) models include filling, purging, heating, vacuum, depressurization, gas evolution, solids drying, and storage tank. Interactive chemical databases enable one to model multi-phase liquid mixtures. Emission Master supports several vapor pressure models including Antoine, Clapeyron, Riedel equations. Equation coefficients may be calculated from experimental or referenced vapor pressure data for many of the models.

eToxQRA Model
By Unwin Company. A tool for quantifying the risk of toxic vapor inhalation exposures at high-toxic-hazard facilities.

By Trinity Consultants, Inc. BREEZE ExDAM is an Explosives Damage Assessment Simulation Suite designed to evaluate the potential damage to structures and injury to people caused by high explosives or vapor cloud explosions. Includes VExDAM - Vapor Cloud Explosive Damage Assessment Model.

By Lakes Environmental Software. FETS View is an emissions inventory tracking system that allows a facility to track emissions from a collection of processes within multiple emission periods. FETS View integrates AERMOD (or CALPUFF) air dispersion modeling with emissions inventory tracking capabilities in one system. This system is capable of tracking and storing very large amounts of data to manage facilities with many different emission release points and dozens or even hundreds of pollutants.

By Cambridge Environmental Research Consultants (CERC). GASTAR is a dense gas dispersion model.

HGSYSTEM: Dispersion Models for Ideal Gases 3.0
By National Technical Information Service (NTIS). HGSYSTEM was designed to study the atmospheric dispersion of accidental pollutant releases with emphasis on denser-than-air materials. HGSYSTEM can simulate different dispersion scenarios (jet dispersion, heavy gas dispersion, passive dispersion). HGSYSTEM can model the full HF chemistry and thermodynamics. Most of the modules in the HGSYSTEM package can also be used for more general, non-reactive (ideal gas) releases as well. 1995.

By National Technical Information Service (NTIS). INPUFF is an air quality model which uses the Gaussian equation to evaluate the diffusion of a puff generated by a single point source. It may also be used with multiple point sources and deals with non-reactive pollutants, but may include deposition and sedimentation. Users may choose among different algorithms to simulate the puff behaviour and may also enter their own routines to evaluate the plume effective height and puff dispersion. It works on flat terrains within few tens of kilometers of distance.

By Oris Solutions (formerly BEE-Line Software). This air model allows multiple sources at multiple locations. Additionally, source emissions and meteorological data conditions can be changed during the modeling period. Moving sources can even be modeled.

Integrated Planning Model (IPM)
By ICF International. IPM provides integration of wholesale power, system reliability, environmental constraints, fuel choice, transmission, capacity expansion, and other key operational elements of generators on the power grid in a linear optimization framework. The model utilizes a Windows™-based database platform and interface that captures a detailed representation of every electric boiler and generator in the power market being modeled.

By Lakes Environmental Software. ISC-AERMOD View is a Windows air dispersion modeling system which seamlessly incorporates three popular U.S. EPA models into one interface: ISCST3, AERMOD, and ISC-PRIME. ISC-AERMOD View features an integrated modeling environment: integration of Arc View and Arc Info GIS tools, intuitive data input, model run, and complete post-processing with automatic gridding, blanking, shaded contour plotting and posting of your results. Additional features include meteorological preprocessing with color wind rose charting, importation of Digital Elevation Model (DEM) files, building downwash analysis, and 3D visualization of the project site.

ISCLT (Industrial Source Complex Long Term) Dispersion Model
By National Technical Information Service (NTIS). This EPA model is a steady-state Guassian plume model which can be used to assess pollutant concentrations from a wide variety of sources associated with an industrial source complex. This model can account for settling and dry deposition of particulates, downwash, area, line, and volume sources, plume rise as a function of downwind distance, separation of point sources, and limited terrain adjustment. ISCLT is designed to calculate the average seasonal and/or annual ground level concentration or total deposition from multiple continuous point, volume, and/or areas sources. 1993.

ISCST (Industrial Source Complex Short Term) Dispersion Model)
By National Technical Information Service (NTIS). This is a steady-state Gaussian plume model which can be used to assess pollutant concentrations from a wide variety of sources associated with an industrial source complex. This model can account for settling and dry deposition of particles; downwash; point, area, line, and volume sources; plume rise as a function of downwind distance; separation of point sources; and limited terrain adjustment. 2002.

By Cambridge Environmental Research Consultants (CERC). LSMS (Liquid Spill Modelling System) is a tool for calculating the spreading and vaporisation of a liquid pool. Liquids such as liquefied natural gas (LNG), liquefied petroleum gas (LPG) and others are routinely stored at low temperatures and on their release to the atmosphere they boil or evaporate depending on their temperature relative to the ambient air.

Mesoscale Puff Model (MESOPUFF II)
By National Technical Information Service (NTIS). This model is a Lagrangian variable-trajectory puff superposition model suitable for modeling the transport, diffusion, and removal of air pollutants from multiple point and area sources at transport distances beyond the range of conventional straight-line Gaussian plume models (i.e. beyond 1-50). 1997.

Meteorological Information and Dose Assessment System (MIDAS-NU)
By ABS Consulting (formerly EQE International/JBF Associates). Meteorological Information and Dose Assessment System (MIDAS-NU) for nuclear power plant applications is the all-in-one software technology that models atmospheric dispersion of releases of radiological materials during routine and accident conditions. MIDAS-NU is designed to support emergency response and planning officials including exercise support and response planning.

By Lakes Environmental Software. MOBILE View is an interface for the U.S. EPA MOBILE6 model. MOBILE6 is an emission factor model for predicting highway emissions of Hydrocarbons (HC), Carbon Monoxide (CO), Nitrogen Oxides (NOx), Carbon Dioxide (CO2), Particulate Matter (PM), and toxics from cars, motorcycles, light- and heavy-duty trucks under various conditions.

Professional CalPuff
By Oris Solutions (formerly BEE-Line Software). This Professional CalPuff interface to TRC's CALPUFF system makes running CALPUFF as easy as point-and-click. With Professional CalPuff, you don't need to be an expert to perform a CalPuff analysis. Professional CalPuff moves all of the default and guideline values to a preference screen, so that you only have to deal with the variables that are required to be set for your specific project. This greatly reduces the number of decisions you need to make to perform a model study.

By Analytic & Computational Research, Inc. (ACRi). RADM is a Random-Walk model for simulation of dispersion processes in turbulent fluids. In particular it has been successfully used for air pollution studies. It employs a stochastic approach to solve the governing transport equations for motion of an inert or reactive species. It allows for arbitrary fluid and particle velocity to be superimposed on a random (or turbulent) motion of particles. The particles may undergo chemical reaction, radioactive decay, settling and drag. Arbitrary complex terrain, arbitrary wind fields, and inversion conditions are accommodated.

Reactive Plume Model (RPM-IV)
By National Technical Information Service (NTIS). The model is used for estimating short-term concentrations of primary and secondary reactive pollutants resulting from single or, in some special cases, multiple sources if they are aligned with the mean wind direction. The model is capable of simulating the complex interaction of plume dispersion and non-linear photochemistry. 1996 Data File.

By SAFER Systems, LLC. This is a site-specific Emergency Response System used for chemical accidents. Mathematical algorithms combine real-time onsite weather information with site-specific data (chemical/physical properties, release scenario, topography etc.) to predict toxic vapor cloud impact within the context of your facility and surrounding areas.

By Spence Environmental Engineering. RISC (Risk-Integrated Software for Clean-ups) is a software for evaluating human health risk and determining clean-up levels at contaminated sites.

SAFER STAR (System for Transportation Accident Response)
By SAFER Systems, LLC. SAFER STAR models the effects of chemical transportation accidents (toxic releases, fires, and explosions). The program includes algorithms for addressing atmospheric dispersion, thermal radiation, and blast overpressure modeling. In addition, SAFER provides mapping and topographical databases for the region of interest.

Screen View
By Lakes Environmental Software. Screen View is a user friendly interface for the U.S. EPA's screening model, SCREEN3. EPA's model SCREEN3, was developed to provide a method of obtaining ground-level pollutant concentration estimates for a single source.

By Oris Solutions (formerly BEE-Line Software). BEE-Line Software’s SCREEN3 contains all the features of the basic EPA version, such as pre-set meteorological data and flare sources. In addition, BEE-Line’s version contains on-screen graphics, context-sensitive help, importing BEEST data, automatic English/metric data conversion, and much more.

By Lakes Environmental Software. SEVEX View is a commercially available advanced 3D complex terrain gas model. It provides realistic modeling of complex three dimensional emergency releases. Both UNIX/LINUX and Windows versions are available.

SHORTZ Air Diffusion Model
By National Technical Information Service (NTIS). SHORTZ utilizes the steady state bivariate Gaussian plume formulation for both urban and rural areas in flat or complex terrain to calculate ground-level ambient air concentrations. The model can calculate 1-hour, 2-hour, 3-hour, etc., average concentrations due to emissions from stacks, buildings and area sources for up to 300 arbitrarily placed sources. The output consists of total concentration at each receptor due to emissions from each user-specified source or group of sources, including all sources. 1996 Data File.

By Environmental Software and Services GmbH (ESS). SIMTRAP integrates advanced simulation models for dynamic traffic flow and 3D photochemical air quality modeling implemented on powerful parallel computers within a decision support framework that includes GIS functionality, statistical analysis tools, an embedded expert system, and a multi-criteria optimization tool.

SLAB 3D View
By Lakes Environmental Software. SLAB 3D features powerful 3D visualization tools for the SLAB model. SLAB 3D dramatically improves visualization of accidental release predictions.

SLAB for Windows
By Oris Solutions (formerly BEE-Line Software). Slab for Windows is Bee-Line Software's commercial version of the EPA's Accidental Release model, which is designed for modeling dense gas releases. Slab for Windows is ideal for 112(r) worst-case and alternate release scenario modeling. Slab for Windows is sold independently as well as in the 112(r) Suite.

By Lakes Environmental Software. Predicts hazardous zone and potential impacts of accidental releases. Ideal for EPA's Risk Management Plan (RMP) and to analyze emissions from accidental releases of toxic gases. SLAB View can model continuous, finite duration, and instantaneous releases.

By SoundPLAN LLC. A software package offering a full spectrum of noise and air pollution evaluation modules, with quick calculation and graphics. Comprehensive studies involving various size areas and multiple sources can be completed using this modeling software.

VELO™ Enterprise Carbon Management Software
By Zerofootprint. VELO™ is web-based software for large, multi-location organizations who must measure, manage, and report their environmental footprint. VELO™ lowers both the risk and cost of data integration across operations while also automating the measurement, monitoring and modeling of an organization’s carbon emissions.

By Trinity Consultants, Inc. BREEZE VExDAM can be used as a damage / injury assessment tool to determine the amount of blast damage / injury done to individual structures / persons in a certain geographical area due to a vapor cloud explosion. This type of information would be helpful in determining the potential for destruction / injury at an industrial facility where significant amounts of combustible hydrocarbons are manufactured, handled, and / or stored.

For a directory of free Air Modeling Software, check out EHSfreeware.

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