Data and Tools
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P2 Resources Search
P2 Hub Resources Search Tool contains a collection of case studies, webinars, tools and articles about P2 solutions, practices, and technologies.
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AQS SO2 Design values
AQS SO2 Design values
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13th Conference on Air Quality Modeling
The 13th Conference on Air Quality Modeling, mandated by Section 320 of the Clean Air Act, held on the EPA RTP Campus from November 14th through 15th, 2023. This is a public hearing on regulatory air quality model and technique development.
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EPA Nonregulatory Nonroad Duty Cycles
EPA nonregulatory, nonroad duty cycles for equipment such as agricultural tractors, backhoe loaders,crawlers tractors, excavators, arc welding skid steer loaders, and wheel loaders. Also,test procedures, laboratory methods, and emissions for this equipmen
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Widgets for Cleanup Programs
This page lists the CIMC-related widgets that can be added to HTML pages. A widgets is IFrame code that can be inserted into a web page that will display a graphic and have an interactive capability.
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About EPA's Research Grants
Helpful information about EPA's extramural grant program and resources.
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Clean Water State Revolving Fund (CWSRF) Results
The Clean Water State Revolving provides significant environmental benefits by maintaining and improving the nation's water quality. Reports on financial performance document CWSRF progress and account for the use of federal funds.
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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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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.