Data and Tools
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Sensor Loan Application Form
form for receiving Air Sensor
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Visualizing Ecosystem Land Management Assets (VELMA) Training Webinar Archive
This training webinar provides an overview of Visualizing Ecosystem Land Management Assets (VELMA), a spatially explicit ecohydrological watershed model planners use to visualize the effects of different scenarios.
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Proctor Creek Watershed Story Map Webinar Archive
This EPA Tools & Resources webinar provides an overview of Story Maps and how they can be used to, featuring the Proctor Creek Watershed Story Map as an example.
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PFAS Disposal and Destruction Research
The presentation provides an update on disposal and destruction research for PFAS, which have many and varied pathways into waste streams.
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Overview of EPA PFAS R&D: Recent Accomplishments and Near-term Objectives
This presentation provides an overview of the different lines of R&D that EPA is conducting to address gaps and generate scientific information to enable decision makers to take action on PFAS.
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Preparing for Wildland Fire Smoke Webinar Archive
This EPA Tools & Resources webinar covers preparing for wildland fire smoke that can infiltrate indoors, highlighting the ASHRAE Planning Framework for Protecting Commercial Building Occupants from Smoke During Wildfires.
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Analytical Methods for PFAS in Environmental Media
his presentation provides a summary and update on EPA analytical methods for PFAS in drinking, ground, surface and wastewaters in addition to solid samples such as soils, sediments, biosolids and tissues.
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Contact HMS Helpdesk
Hydrologic Micro Services (HMS) request form. HMS Helpdesk
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Greenhouse Gas Subpart AA Model
Search the GHG data for individual facilities by name, or location or filter the data set by state or county, industrial sectors, annual facility emissions thresholds and greenhouse gases.
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Greenhouse Gas Subpart D Model
Search the GHG data for individual facilities by name, or location or filter the data set by state or county, industrial sectors, annual facility emissions thresholds and greenhouse gases.
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Greenhouse Gas Subpart DD Model
Search the GHG data for individual facilities by name, or location or filter the data set by state or county, industrial sectors, annual facility emissions thresholds and greenhouse gases.
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Risk-Screening Environmental Indicators (RSEI) Methodology
Document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.12, March 2024.
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New Model Helps Calculate Exposure to Food Surface Sanitizers
The Food Contact Sanitizing Solutions Model (FCSSM) was developed to estimate indirect dietary exposure to components of sanitizing solutions used in commercial settings.
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Metadata Hydrologic Unit Boundaries
USGS Hydrologic Unit Boundaries of the Conterminous United States in BASINS (accounting unit, cataloging unit).
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Metadata Gaging Stations
USEPA STORET Stream Flow Data from Gaging Stations in CONUS
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Metadata Weather Data Management
NOAA's National Climatic Data Centers (NCDC) Weather Data Management (WDM) Stations Point Locations in the United States, Puerto Rico, and the U.S. Virgin Islands
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Metadata Bacteria Monitoring
EPA's STORET Bacteria Monitoring Stations and Data Summaries for CONUS
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Metadata Water Quality Observation
EPA's STORET Water Quality Observation Data for CONUS
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Metadata Water Quality
EPA's STORET Water Quality Monitoring and Data Summaries for CONUS
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Metadata County Boundaries
Counties and County Equivalents Boundaries in the United States for BASINS