Data and Tools
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EPA Pacific Southwest (Region 9) Electronic Permit System
Electronic Permit Submittal System for EPA Pacific Southwest (Region 9) permitting authorities to submit final TItle V permits to EPA.
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Metal Mining Waste Management Trend
Metal Mining - waste management and releases by the metal mining sector from 2013 to 2022 for the 2022 Toxics Release Inventory National Analysis
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Multimedia Resources and Publications
America's Children and the Environment report resources, indicators, and previous editions.
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Water Laboratory Alliance Learning Center
WLA Training Center
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Creating Cards How To
How to create cards in Webcms, including screenshots and instructions with link to USWDS.
You can create cards using the paragraph type. -
Risk-Screening Environmental Indicators (RSEI) Model Reference Document History
archive of documents for the Risk-Screening Environmental Indicators Model (RSEI) screening tool
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RSEI Data Dictionary
An overview of the RSEI data dictionary
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Sector-based PM2.5 and Ozone Benefit Per Ton Estimates
This page has benefit per-ton estimates that relate changes in emissions in PM2.5 precursor emissions from 17 industrial, area and mobile sectors and monetized benefits.
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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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JavaScript: Datatables
DataTables is a plug-in for the jQuery JavaScript library that allows you to add advanced interaction controls to any HTML table.
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January 2023 RLF ACRES Training
Resources for RLF ACRES Training 2023