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The GCSOLAR program is a set of routines that computes direct photolysis rates and half-lives of pollutants in the aquatic environment. The half-lives are calculated as a function of season, latitude, ...

2. Extension Disaster Education Network (EDEN) [EDEN]
The Extension Disaster Education Network (EDEN) is a collaborative multi-state effort by Extension Services across the country to improve the delivery of services to citizens affected by disasters. ...

3. OBODM Model [OBODM-Model]
(Summary adapted from EPA.) OBODM Intended for use in evaluating the potential air quality impacts of the open burning and detonation (OB/OD) of obsolete munitions and solid ...

4. Factor Information Retrieval (FIRE) Data System [EPA_webfire]
The Factor Information Retrieval (FIRE) Data System is a database management system containing EPA's recommended emission estimation factors for criteria and hazardous air pollutants. FIRE includes ...

5. Assessment System for Population Exposure Nationwide [EPA_ASPEN]
The Assessment System for Population Exposure Nationwide (ASPEN) consists of a dispersion and a mapping module. The dispersion module is a Gaussian formulation based on ISCST3 for estimating ambient ...

6. QUAL2K: A Model for River and Stream Water Quality [EPA_QUAL2K]
QUAL2K (or Q2K) is a river and stream water quality model that is intended to represent a modernized version of the QUAL2E (or Q2E) model (Brown and Barnwell 1987). Q2K is similar to Q2E in the following ...

7. Environmental Fluid Dynamics Code (EFDC Hydro) Model [EPA_EFDC]
The Environmental Fluid Dynamics Code (EFDC Hydro) is a state-of-the-art hydrodynamic model that can be used to simulate aquatic systems in one, two, and three dimensions. It has evolved over the ...

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