Science & Technology
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Stormwater Management Technologies: Innovative Monitoring Equipment
EPA is developing and testing technologies to support stormwater management. To evaluate flow control and to determine optimal conditions for sampling, EPA is evaluating various flow and depth sensors.
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Publications on Homeland Security Research Topics
Access to reports, articles, databases and software produced by the Homeland Security Research Program
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Water Infrastructure Decontamination Bench and Pilot Scale Studies
EPA conducts research at the bench and pilot scales to understand contaminant fate, transport and persistence on drinking water pipe materials. This research takes place at EPA’s Test and Evaluation facility in Cincinnati, Ohio.
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Nonpoint Source Pollution Monitoring: Additional Resources
Nonpoint Source related water quality monitoring guidance and additional resources
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Urban Runoff: Model Ordinances for Open Space Development
The model ordinance sets guidelines for management of open space and the amount of open space required on a site, but it is not intended to be a "one size fits all" document.
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Urban Runoff: Model Ordinances for Stormwater Control
This section includes model ordinance language, which focuses primarily on the maintenance of stormwater BMPs, and includes the elements of design, routine maintenance, and inspections.
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Marinas and Boating: National Management Measures
a technical guidance and reference document for use by state, local and tribal managers in the implementation of nonpoint source pollution management programs.
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Nonpoint Source Monitoring Interactive Guide
This interactive document offers a high-level overview of USEPA’s NPS monitoring guidebook, Monitoring and Evaluating Nonpoint Source Watershed Projects.
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State Inventory and Projection Tool
Project state-level emission estimates through 2030 and utilize an interactive spreadsheet model to help develop GHG emissions inventories for state agencies or other interested groups.
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Whistleblower Protection Brochure
Feb 2020 - Whistleblower information for employees of EPA contractors, subcontractors, grantees, subgrantees, or personal services contractors.
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Is MOVES the best tool for my work?
See More Frequent Questions about MOVES and Related Models. EPA’s MOtor Vehicle Emission Simulator (MOVES) is a state-of-the-science emission modeling system that estimates emissions for U.S. mobile sources at the national, county, and project level for criteria air pollutants, greenhouse gases, and air toxics. States other than California must use…
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Can I Create a Portable Version of MOVES to Use on Multiple Computers?
See More Frequent Questions about MOVES and Related Models. Yes, you can create a portable version of MOVES. This may be helpful if you need to easily shift your modeling analyses from one computer to another without copying files back and forth. If your organization’s computer policy allows it, you…
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How does MOVES Calculate CO2 and CO2 Equivalent Emissions?
See More Frequent Questions about MOVES and Related Models. MOVES calculates the energy it takes to operate an onroad vehicle based on energy consumption rates as explained in the technical reports Greenhouse Gas and Energy Consumption Rates for Onroad Vehicles MOVES3 (pdf) (November 2020, EPA-420-R-20-015) and Exhaust Emission Rates for…
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Exposure Analysis Modeling System (EXAMS): User Manual and System Documentation
Revision G User manual for EXAMS, software for formulating aquatic ecosystem models & evaluating fate, transport, & exposure concentrations of synthetic organic chemicals.
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User Manual for EXPRESS, the EXAMS-PRZM Exposure Simulation Shell
User Guide for EXPRESS 1.03.02. software model-designed to facilitate a rapid and consistent assessment of aquatic pesticide exposure on a variety of crops.
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EXPRESS (EXAMS - PRZM Exposure Simulation Shell)
EXPRESS (EXAMS - PRZM Exposure Simulation Shell) software model-designed to facilitate a rapid and consistent assessment of aquatic pesticide exposure on a variety of crops.
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AQUATOX Sustainable and Healthy Communities Research Program Webinar Series
A presentation on AQUATOX was made as part of the Sustainable and Healthy Communities Research Program’s webinar series.
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AQUATOX Setup Guide
The new Guidance in AQUATOX Setup and Application provides a quick start guide to introduce major model features, as well as being a type of "cookbook" to guide basic model setup, calibration, and validation.
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History and Generality of Aquatox
Aquatic fate, toxicology, and ecosystem submodels were coupled to “close the loop,” representing both direct and indirect
effects. the model is also a platform to which other environmental stressors may be added for extensive analysis. -
AQUATOX 3.2 Installation Guide
Additional details on installation may be found in the aquatox installation guide.