Data and Tools
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PM10 Continuous Monitor Comparability Assessments
This tool provides a one-page technical report that assesses the comparability of a PM10 continuous monitor when collocated with an FRM sampler
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Single Point Precision and Bias Report
This report provides monitor-level precision and bias summaries for the specified parameter and year.
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PM2.5 Continuous Monitor Comparability Assessments
This tool provides a one-page technical report that assesses the comparability of a PM2.5 continuous monitor when collocated with an FRM sampler
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Monitor Values Report - Hazardous Air Pollutants
This report displays hazardous air pollutant summary data for individual monitoring sites
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Monitor Values Report
This report displays criteria pollutant summary data for individual monitoring sites
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Air Quality Statistics Report
This report provides standards-related summary data by city or county.
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General Conformity Training Module 3.6: Proactive Role for Federal Agencies
Module 3.6 explains how federal agencies should coordinate efforts with State, Tribal, and local air agencies.
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Interactive Tour of the Indoor Air Quality Demo House
Interactive Tour of the Indoor Air Quality Demo House
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Water Budget Data Finder
The water budget data finder allows a user to determine the peak watering month and appropriate evapotranspiration and rainfall values for a zipcode.
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Older Editions of AP 42, Compilation of Air Pollutant Emission Factors
Older Editions of AP 42, Compilation of Air Pollutant Emission Factors
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QUAL2EU
The Enhanced Stream Water Quality Model is maintained through the Watershed and Water Quality Modeling Technical Support Center and is no longer available on this website.
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BASINS Version History
Better Assessment Science Integrating Point and Nonpoint Sources (BASINS) version history shows the new features and changes to BASINS
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PRZM Version Index
Page on versions of PRZM, a one-dimensional, finite-difference model that accounts for pesticide and nitrogen fate in the crop root zone. PRZM3.12.3 is the most recent version.
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AQUATOX 3.1 Download Page
Contains AQUATOX system requirements and installation information. Download the zipped file. Order documentation.
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AQUATOX 3.2 Download Page
Contains AQUATOX system requirements and installation information. Download the zipped file. Order documentation.
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BASINS Framework and Features
BASINS enables users to efficiently access nationwide environmental databases and local user-specified datasets, apply assessment and planning tools, and run a variety of proven nonpoint loading and water quality models within a single GIS format.
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Local Renewable Energy: Biomass/Biogas
Local Renewable Energy: Biomass/Biogas
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State Renewable Energy: Biomass/Biogas
State Renewable Energy: Biomas/Biogas
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Metadata Populated Place Locations
Populated Place Point Locations for CONUS, Alaska, and Hawaii in BASINS
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BASINS Metadata
Metadata or "data about data" describes the content, quality, condition, and other characteristics of data. Geospatial metadata are critical to data discovery and serves as the fuel for the Geospatial One-Stop data portal.