Data and Tools
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Timeline of Carbon Monoxide (CO) National Ambient Air Quality Standards (NAAQS)
See the history of limits to the level of carbon monoxide (CO) in ambient air, set through the NAAQS review and rulemaking process under the Clean Air Act. This includes both primary and secondary standards.
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General Conformity Training Module 3.4: Federal Agencies' Presumed to Conform Actions
Module 3.4 describes when an agency publishes a list of presumed to conform actions, the federal agency must show that the emissions meet certain criteria.
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Potential Risks from TRI Chemicals
Hazard and risk of TRI Chemicals using EPA's Risk-Screening Environmental Indicators (RSEI) model for the 2022 Toxics Release Inventory National Analysis
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Releases by Chemical and Industry
Releases of chemicals showing the chemicals and industry sectors with the most releases for the 2022 Toxics Release Inventory National Analysis
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Trends in Releases
Releases of Chemicals for the 2022 Toxics Release Inventory National Analysis, highlighting disposal trends across all sectors
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EPA Regions
Waste management by EPA region for the 2022 TRI National Analysis
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Non-Production-Related Waste Managed
Non-production-related waste management in 2022 for the 2022 Toxics Release Inventory National Analysis
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Waste Management
Highlights in Waste Management in the 2022 Toxics Release Inventory National Analysis.
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Chemical Profiles
Chemicals of special concern included in the 2022 Toxics Release Inventory National Analysis, such as lead, mercury, dioxins, and carcinogens
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TRI Around the World
TRI and Beyond - Other Pollutant Release and Transfer Register (PRTR) programs throughout the world that were modeled after the Toxics Release Inventory (TRI).
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TRI Connections
Information about other programs at EPA that collect information about chemicals and the environment and can be compared with data from the 2022 Toxics Release Inventory National Analysis.
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States and Metropolitan Areas
Where You Live - 2022 Toxics Release Inventory data at the state, county, and metropolitan levels.
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Federal Facilities by Industry
Federal Facilities - federal facilities by industry reporting to the 2022 Toxics Release Inventory National Analysis
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Electric Utilities Waste Management Trend
Electric Utilities - waste management and releases by electric utilities from 2013 to 2022 for the 2022 Toxics Release Inventory National Analysis
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Comparing Industry Sectors
Comparing waste management and releases trends among industry sectors for the 2022 Toxics Release Inventory National Analysis
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Land Disposal by Chemical & Industry
Releases of Chemicals - land disposal by chemical and by industry for the 2022 Toxics Release Inventory National Analysis
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Land Disposal
Releases of Chemicals - trends in land disposal from 2013 to 2022 for the 2022 Toxics Release Inventory National Analysis, including and excluding metal mining
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Water Releases by Chemical & Industry
Releases of Chemicals - water releases by chemical and by industry for the 2022 Toxics Release Inventory National Analysis
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Water Releases
Releases of Chemicals - trend in surface water discharges from 2013 to 2022 for the 2022 Toxics Release Inventory National Analysis
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Air Releases by Chemical & Industry
Releases of Chemicals - air releases by chemical and by industry for the 2022 Toxics Release Inventory National Analysis