Data and Tools
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Revised Total Coliform Rule Seasonal Startup Checklist
This RTCR form provides start-up procedures for drinking water systems that shut down and depressurize and are not operational year around.
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Explore the Automotive Trends Data
Explore and download summary data with interactive figures and tables for the automotive trends report.
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How does PM2.5 relate to PM species such as EC, OC, SO4, NO3, PMFINE, and DIESEL-PM25?
Primary PM2.5 estimates are speciated into the five PM species in the NEI: elemental (black) carbon (EC), organic carbon (OC), nitrate (NO3), sulfate (SO4), and the remainder of PM25-PRI (PMFINE). Diesel engine PM25-PRI and PM10 emissions are also labeled as DIESEL-PM25 and DIESEL-PM10 for mobile source diesel engines. For all…
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Good Neighbor Plan for the 2015 Ozone NAAQS - Compliance for Industrial Sources
Compliance requirements for industrial sources subject to the Good Neighbor requirements for the 2015 ozone NAAQS.
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General Emissions Inventory Information
Contact emails
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Sample Energy Bill for E3
E3 – Economy, Energy, and Environment – is a coordinated federal and local technical assistance initiative that is helping manufacturers across the nation adapt and thrive in a new business era focused on sustainability.
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Substitutes in Fire Suppression and Explosion Protection
Fire suppression and explosion protection have used halons in many applications because they are electrically non-conductive, dissipate rapidly without residue, are safe for limited human exposure.
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Health Effects of Ozone in the General Population
Health Effects of Ozone in the General Population for the ozone & your patients' health training for health care providers
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AQS Memos - Technical Note - Lead Data Reporting to AQS
AQS Memos - Technical Note - Lead data reporting to AQS
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AQS Change of Standard Units
AQS Change of Standard units
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AQS Memos - Technical Note on Reporting PM2.5 Continuous Monitoring and Speciation Data to the Air Quality System (AQS)
AQS Memos - Technical Note on Reporting PM2.5 Continuous Monitoring and Speciation Data to the Air Quality System (AQS)
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CSAPR Compliance Year 2022 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2022 compliance year.
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Notices of Intent to Sue the U.S. Environmental Protection Agency Documents 2019
Notices of Intent to Sue the U.S. Environmental Protection Agency (EPA)
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Notices of Intent to Sue the U.S. Environmental Protection Agency Documents 2018
Notices of Intent to Sue the U.S. Environmental Protection Agency (EPA)
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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.