Data and Tools
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Green Chemistry and Engineering Activities
Green Chemistry - quantity of green chemistry activities reported, by sector, for chemicals with the most green chemistry reported in the 2023 Toxics Release Inventory National Analysis
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TRI Data Considerations
Important considerations regarding the data used in the 2023 TRI National Analysis, and for using TRI in general.
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Region 4 Air Permitting Public Involvement
page for Region 4 air permitting public involvement training
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St. Marys River AOC Boundary Map
This page presents various maps of the St. Marys River AOC.
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Illustration from Region 8 of the Contingencies for Evaluation and Response for Various Levels of Dioxins
Figure relays data on the topic of dioxin concentrations within samples from Denver, Colorado.
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EIS Bridge Tools
Tools used to generate data for EIS submittals
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Doing Business with EPA
This page allows interested businesses to register with federal government in SAM
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ProUCL Software
ProUCL version 5.2 is the latest update of the ProUCL statistical software package for analysis of environmental data sets with and without nondetect (ND) observations.
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Carbon Footprint Calculator
Take a few minutes to find out with EPA's Household Carbon Footprint Calculator.
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ICIS-NPDES Search User Guide
The Permit Compliance System (PCS) provides information on companies which have been issued permits to discharge waste water into rivers.
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U.S. Greenhouse Gas Inventory by State Methodology Report Archive
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
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State and Tribal Greenhouse Gas Data and Resources
State and Tribal Greenhouse Emissions and Removals
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Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2021
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
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Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2019
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
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Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
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AQS Tech Note POC 6-28-13
AQS Tech Note POC 6-28-13
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Status of Civil Judicial Consent Decrees Addressing Combined Sewer Systems (CSOs)
Tracking table of civil consent decrees for combined sewer systems (CSOs). This supports the National Enforcement Initiative (NEI) for Keeping Raw Sewage and Contaminated Stormwater Out of Our Nation's Waters.
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CSAPR Compliance Year 2016 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2016 compliance year.
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Environmental Monitoring
List of environmental monitoring data, tools, and resources used by the Clean Air Markets Programs.
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Webinar: Power in Your Pocket: Conducting Walkthrough IAQ Assessments Using EPA’s School IAQ Assessment Mobile App
This webinar demonstrates how to access, download, and navigate EPA’s School IAQ Assessment Mobile App.