Data and Tools
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The Davis-Bacon Act and Brownfields
This document describes a federal law in place to ensure that any worker involved in a federally-funded public works project is compensated in a fair and timely manner. FAQs provide additional details on the application of this federal law.
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2025 SO2 Allowance Auction
Find on this page the results of EPA's 2024 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 26, 2024.
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JavaScript: Leaflet
Leaflet is an open-source JavaScript library for mobile-friendly interactive maps.
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Presentation from April 18, 2018, Webinar on Exceptional Events Mitigation Plans
This is intended to assist air agency staff and other interested parties in preparing demonstration components, analyses and other documentation to support exceptional events submittals.
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Assessment of PM10 FEMs Compared to Collocated FRMs
This memorandum describes a one-page technical report that assesses the comparability of a PM10 continuous monitor when collocated with an FRM sampler.
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PM2.5 Data Omitted from Air Trends Assessment
Describes PM2.5 data that is omitted from EPA's annual trends assessment.
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Best Practices for Preparation of Multi-Agency Exceptional Events Demonstrations
This is intended to assist air agency staff and other interested parties in preparing demonstration components, analyses and other documentation to support exceptional events submittals.
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2007 to 2016 Exceptional Events Rule Crosswalk
This document is intended to assist air agency staff and other interested parties in preparing demonstration components, analyses and other documentation to support exceptional events submittals.
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Exceptional Events Documents Ozone - Washoe, NV
Exceptional Events Documents Ozone - Washoe, Nevada
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EPA Review Technical Support Document Template for Wildfire/Ozone Events
This document is intended to assist air agency staff and other interested parties in preparing demonstration components, analyses and other documentation to support exceptional events submittals.
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January 2023 RLF ACRES Training
Resources for RLF ACRES Training 2023
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EZ Query Search Options Help
In database terms, the Search Options are really "comparison operators". This page provides descriptions for the search options that are available to you through EZ Query.
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Data Summary of The First Unregulated Contaminant Monitoring Rule
Data summary and analytical results of the First Unregulated Contaminant Monitoring Rule (UCMR 1).
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Data Summary of The Second Unregulated Contaminant Monitoring Rule
Data summary and analytical results of the Second Unregulated Contaminant Monitoring Rule (UCMR 2).
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Data Summary of The Fourth Unregulated Contaminant Monitoring Rule
Data summary and analytical results of the Fourth Unregulated Contaminant Monitoring Rule (UCMR 4).
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Data Summary of The Third Unregulated Contaminant Monitoring Rule
Data summary and analytical results of the Third Unregulated Contaminant Monitoring Rule (UCMR 3).
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Cost Reports and Guidance for Air Pollution Regulations
Web page for EPA's Control Cost Manual and Cost Reports
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Runs Better Unleaded Poster
Post on preventing childhood lead poisoning.
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Job Aide for Preparing Permit Action Submissions in the Electronic Permitting System Air Permit Review Module
This document provides instructions for using the Electronic Permitting System Air Permit Review Module
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Combining Data into Complete Engine ALPHA Maps
The National Center for Advanced Technology (NCAT), part of the National Vehicle and Fuel Emissions Laboratory (NVFEL), assesses the effectiveness of advanced low emission and low fuel consumption technologies for a broad range of key light-duty vehicles.