Science & Technology
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Program Contacts for Proctor Creek Watershed/Atlanta (Georgia)
This page has contact information for people leading the Proctor Creek location in Atlanta
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Request for Full Exemption of Four Pulping Chemicals from the TSCA Chemical Data Reporting Rule Requirements
The American Forest & Paper Association (AFPA) petitioned for a full exemption from CDR reporting for four pulping chemicals
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CSPP CDX Registration Guide
CDX allows users submitting data to the EPA to register for the specific program of interest. This Guide describes the registration process and information requirements associated with Submissions for the Chemical Safety and Pesticide Programs (CSPP).
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Ecosystem Services Scenario Assessment using EPA H2O
EPA H2O is a desktop GIS-based decision support tool for assessing the provision of ecosystem services under different land use scenarios.
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Verified Technologies List for Clean Diesel
This list provides information about diesel retrofit technologies that EPA has approved or conditionally approved for use in engine retrofit programs.
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SmartWay Designated Tractors and Trailers
This page provides information about SmartWay designated tractors and trailers and how to become one.
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SmartWay Technology
This page provides information on SmartWay technology for locomotives, trucks, and school buses.
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Clean Diesel Technologies, Inc. – Purifilter EGR Diesel Particulate Filter (DPF)
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Johnson Matthey Technology—CEM™ Catalytic Exhaust Muffler and/or DCC™ Catalytic Converter
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Heavy-Duty Diesel Fuel Analysis
EPA's heavy-duty diesel fuel analysis program sought to quantify the hydrocarbon, NOx, and PM emission effects of diesel fuel parameters (such as cetane number, aromatics content, and fuel density) on various nonroad and highway heavy-duty diesel engines.
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Presentations on the Black Carbon Diesel Initiative
EPA has presented on the successes of the Black Carbon Diesel Initiative in the Russian Arctic.
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2014 National Emission Inventory (NEI) Report
Analysis of the NEI and comparison to previous years of inventory data.
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About the Clean Air Technology Center
The Clean Air Technology Center provides resources for emerging and existing air pollution prevention and control technologies and provides public access to data and information on their use, effectiveness and cost.
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Green Book Early Action Compact (EAC) Areas
Early Action Compact (EAC) Areas
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Green Book Lead (1978) Area Information
Lead (1978)
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Green Book Sulfur Dioxide (1971) Area Information
Sulfur Dioxide (1971)
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Green Book 8-Hour Ozone (1997) Area Information - NAAQS Revoked
8-Hour Ozone (1997)
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Green Book PM-2.5 (1997) Area Information
PM-2.5 (1997)
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Green Book GIS Download
Green Book GIS Downloads
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New Paradigm for Air Pollution Monitoring: 2014-2018 Progress Report
EPA and partners have been involved in emerging air quality sensor research including a wide range of activities. This presentation's goal is to share research highlights from 2014-2018.