Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Hydrologic Modeling Community of Practice

EXAMS version 2.98.04.03

This model is distributed by EPA as a legacy model, but no user support is available from EPA.

Several versions of the EXAMS system are available on this website. Check the EXAMS version index for a complete list of software releases available for download.

Specifications
Current Version: 2.98.04.03
Release Date: May 2004
Development Status: General Release
Development Information: Release Notes - changes and known deficiencies
Operating System: 32-bit MS-DOS
Development Language: Fortran
Intended Audience: Environmental Scientist/Biologist
Key Words: aquatic biology, assessment, biology, chemistry, compliance, environmental effects, metals, NPS related, permits, pesticides, point source(s), rivers, streams, surface water, test/analysis
Related Web Sites: EXAMS Version Index
EXPRESS Software Page
Meteorological Data Page
Text Files (ASCII Format)
File Name File Description
ABSTRACT.TXT Summary of functions, theory, and applicability.
README.TXT Important installation and usage information.
Download Files
File Type /
Priority
File Name /
Format /
Size
File Description
Install /
Required
Install_EXAMS.EXE /
Self-extracting Zip /
1.5 MB
Setup file for version 2.98.04.03 of the EXAMS system. See README.TXT for important installation instructions.
Document /
Recommended
EXAMREVG.PDF /
Adobe Acrobat /
3.6 MB
Exposure Analysis Modeling System (EXAMS): User Manual and System Documentation (PDF, 206 pp., 3.6 MB, about PDF).
Source Code /
Optional
EXAMCODE.EXE /
Self-extracting Zip /
0.4 MB
Uncompiled version of EXAMS source code. This source code is not required to run the model and is included as reference material. See README.TXT for information on the use of the source code.

Hydrologic Modeling Community of Practice

  • Modeling Products
  • Groundwater Models
  • Surface Water Models
  • Food Chain Models
  • Multimedia Models
  • Data Provisioning and Modeling Tools
  • Information Sources
    • About This Website
    • Frequent Questions
    • Related Links
    • Distribution and Support Policy
Contact Us About Community of Practice
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 17, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.