Science & Technology
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EPA EcoBox Tools by Stressors - Chemical
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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EPA EcoBox Tools by Stressors - Physical
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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EPA EcoBox Tools by Receptors - Receptors in ERA
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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Phases of ERA - Risk Characterization
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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Ambient Water Quality Criteria to Address Nutrient Pollution in Lakes and Reservoirs
Information related to Final Ambient Water Quality Criteria Recommendations for Lakes and Reservoirs of the Conterminous United States.
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Nitrogen Modeling and Mapping
Researchers are creating an inventory of nitrogen sources in the U.S. and mapping the movement of nitrogen from its source into the air, water, and land.
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EPA Southeast leaders visited Oak Ridge Reservation NPL Site and signed a Record of Decision
EPA News Release: EPA Southeast leaders visited Oak Ridge Reservation NPL Site and signed a Record of Decision
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Certification for Heavy-Duty (HD) Commercial Trucks and Buses and Onroad HD Engines
Steps for certifying an onroad commercial trucks and buses with EPA.
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Compliance Reporting for Light-Duty Passenger Cars and Trucks
Steps for compliance reporting with EPA for onroad passenger vehicles.
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Compliance Reporting for Heavy-Duty Commercial Trucks and Buses and Onroad Heavy-Duty Engines
Steps for compliance reporting with EPA for onroad commercial trucks and buses.
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Certification for Non-Electric Motorcycles
Steps for certifying non-electric motorcycles with EPA.
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Software Release Notes for the Engines and Vehicles Compliance Information System (EV-CIS)
These release notes are applicable across all industry sectors for EV-CIS.
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Engines and Vehicles Compliance Information System (EV-CIS), Documentation for Certification and Fuel Economy Modules in Light-Duty Passenger Vehicles and Trucks
Files for the passenger vehicle module in EV-CIS.
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Checklist for Quality Concerns About Using Data from Other Sources
A step-by-step guide to ensure that secondary data is used in an appropriate manner.
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EPA Request for Correction 12004 (Exhibit E1)
EPA Request for Correction 12004 (Exhibit E1)
California Department of Health: Annual Compliance Report 2009
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Water Quality Standards Regulations: Washington, DC
Information related to Water Quality Standards for Washington, DC.
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Design and Implementation of New Tools for Quality Assurance in Modeling
This guidance is designed to improve quality assurance project plans (QAPPs) for model applications, especially in the Total Maximum Daily Load (TMDL) program.
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Peer Review of 2024 Draft Risk Evaluation for 1,3-Butadiene
1,3-butadiene is undergoing risk evaluation under the Toxic Substances Control Act. EPA is planning a virtual public meeting for the Science Advisory Committee on Chemicals (SACC) to review the draft risk evaluation for 1,3-butadiene in early 2025.
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Agenda and Presentations for the August 16 and 17, 2017 Chemical Data Reporting (CDR) Inorganic Byproducts Negotiated Rulemaking Committee Meeting
The agenda and presentations for the Chemical Data Reporting (CDR) Inorganic Byproducts Negotiated Rulemaking Committee.
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Water Quality Impacts of Nutrients Research
Information about EPA's water quality and nutrients research including hypoxia and coastal acidification