SCREEN3 is a user-friendly screening-level air dispersion model developed by the U.S. Environmental Protection Agency (EPA). It is designed to provide a quick and conservative estimate of air quality impacts from stationary sources, making it an essential tool for environmental professionals and regulatory agencies.

Key Features

Simplified Modeling Approach SCREEN3 uses a streamlined methodology for air dispersion calculations.

• Single source modeling
• Worst-case meteorological conditions

Versatile Source Types The software accommodates various emission source configurations.

• Point sources
• Area sources
• Flare releases
• Volume sources

Terrain Considerations SCREEN3 incorporates terrain effects in its calculations.

• Simple terrain algorithms
• Complex terrain screening procedures

Benefits

Rapid Assessment SCREEN3 enables quick evaluation of air quality impacts.

• Fast computation times
• Conservative estimates for initial screening

Regulatory Compliance The software aids in meeting regulatory requirements.

• EPA-approved screening tool
• Widely accepted by state and local agencies

Cost-Effective Solution SCREEN3 offers a budget-friendly option for air quality modeling.

• Free to use
• Reduces the need for more complex modeling in many cases