Data and Tools
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Recent Enhancements to the CMAQ Modeling System Webinar Archive
Community Multiscale Air Quality (CMAQ) Modeling System is a comprehensive state-of-the-science air pollution modeling system used worldwide to study local to hemispheric air pollution issues and guide development of air pollution abatement strategies.
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Contaminated Sites and Technical Support Centers Webinar Archive
EPA's ORD has expertise in health and environmental risk assessment, site investigation, monitoring, treatment, and cleanup technologies for contaminated sites, and provides support through its Technical Support Centers.
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Cost-Effective Treatment Technologies for Small Drinking Water Systems Webinar Archive
This webinar highlights a pilot study conducted by EPA in Palo, IA using a biological water treatment technology to remove ammonia that was developed and patented by EPA ORD.
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Non-Potable Water Reuse Webinar Archive
This EPA ORD webinar presents onsite non-potable water systems (ONWS) for water reuse, highlighting the Guidebook for Developing and Implementing Regulations for Onsite Non-potable Water Systems created by the National Blue Ribbon Commission for ONWS.
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Coastal Nutrient Management: Research Update Webinar Archive
This webinar provided an overview of new research from EPA that develops and describes methods to quantify water quality and habitat status and trends in coastal waters for the purpose of coastal nutrient management.
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Sustainable Materials Management (SMM) Webinar Archive
Sustainable Materials Management (SMM) — using and reusing materials more productively over their entire life cycles — presents new opportunities to reduce environmental impacts, conserve resources and reduce costs.
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EnviroAtlas Update Webinar Archive
EnviroAtlas is a web-based decision support tool that combines maps, analysis tools, downloadable data, and informational resources to help inform policy and planning decisions that impact the places where we live, learn, work and play.
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CompTox Chemicals Dashboard Webinar Archive
CompTox is a “first-stop-shop” for chemistry, toxicity and exposure for over 875,000 chemicals, available to support users to make decisions about chemicals related to human health and the environment.
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Wildland Fire Research to Protect Health and the Environment Webinar Archive
This EPA Tools & Resources webinar offers an update on Wildland Fire Research to Protect Health and the Environment, including CAIF, WSMART, Wildfires-ASPIRE, and Smoke Ready Communities.
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Data Mapping and Analyses to Identify US Locations with High Lead Exposures Webinar Archive
This EPA Tools & Resources webinar, recorded February 15, details data mapping and analyses to identify US locations with high lead exposures.
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EPA's Report on the Environment Webinar Archive
The Report on the Environment (ROE) is a comprehensive source of the best available indicators on the status and trends in the environment and human health.
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Excess Food Opportunities Map Webinar Archive
The Excess Food Opportunities Map seeks to support nationwide diversion of excess food from landfills by identifying and displaying facility-specific information about potential generators and recipients of excess food.
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Citizen Science at EPA Webinar Archive
This EPA Tools and Resources webinar provides an overview of citizen science and showcases several EPA citizen science activities involving partnerships with state, tribal and local governments on a diversity of issues.
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AQS Geospatial Doc
AQS Geospatial Doc
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Community Water System Service Area Boundaries Training Webinar Archive
This EPA Tools & Resources training webinar, recorded on February 13, 2025, focuses on Community Water System Service Area Boundaries.
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Alternative Water Sources to Augment Water Supplies Webinar Archive
This EPA Tools & Resources webinar, recorded on February 19, 2025, focused on Alternative Water Sources to Augment Water Supplies.
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Other Resources for Class VI
Other resources for Class VI
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2022 Allotments from Bipartisan Infrastructure Law (2022)
2022 allotments
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Chief FOIA Officer Reports
The Chief FOIA Officer must submit an annual narrative report to the Attorney General. The report contains detailed descriptions of EPA's FOIA administration and steps taken to implement the Attorney General's FOIA Guidelines to improve FOIA compliance.