Science & Technology
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IRIS Descriptions of Organs/Systems
A list of organ systems/lifestage definitions that provide background to the grouping in the advanced search portion of the website.
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IRIS Bimonthly Public Meeting (Jun 2014)
On June 25-27, 2014, EPA hosted a public meeting/webinar, to provide an opportunity for the public to give input and participate in an open discussion regarding several IRIS chemical assessments of Hexavalent Chromium (Cr(VI)) and Inorganic Arsenic (iAs).
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Strengthened Practices for Peer Review
This document focuses on the rigor of the process for identifying and evaluating actual or potential conflicts of interest for contractor-managed peer reviews of EPA.
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U.S. EPA. 2000. Science Policy Council Handbook: Peer Review
The goal of the Peer Review Policy and this Handbook is to enhance the quality and credibility of Agency decisions by ensuring that the scientific and technical work products underlying these decisions receive appropriate levels of peer review by independe
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NCEA 2009. Policy and Procedures for Conducting IRIS Peer Reviews
The purpose of this Standard Operating Procedure is to explain EPA's process for independent external peer review of draft human health assessments prepared under EPA’s IRIS Program.
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Supporting Documents to Recent IRIS Program Developments
These documents support EPA's announcement about improving the quality and process of IRIS program developments.
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Clean Air Act (CAA) Program Delegation Status for Other Rules in Louisiana
Other Rules in Louisiana
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Air Topics
Information about indoor and outdoor air quality, air monitoring and air pollutants.
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Safer Choice Criteria for Fragrance-Free Products
Safer Choice has developed criteria for fragrance-free products to allow them to add the fragrance-free notation with the Safer Choice label.
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CHP Project Development Steps
Learn about the steps involved with CHP project development including, qualification, level 1 feasibility analysis, level 2 feasibility analysis, procurement, and operations and maintenance.
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Acid Rain
The causes of acid rain, how acid rain affects our environment and our health, and what regulatory actions have been put in place to reduce the pollutants that cause acid rain.
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eGRID2020 Corrections and Revisions
Describes corrections and revisions for updated eGRID data
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Notice of Data Availability - Preliminary Interstate Ozone Transport Modeling Data for the 2015 Ozone NAAQS
EPA is providing an opportunity to review ozone transport modeling data for the 2015 ozone NAAQS
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Findings of Failure to Submit a Clean Air Act Section 110 State Implementation Plan for Interstate Transport for the 2015 Ozone National Ambient Air Quality Standards (NAAQS)
EPA is finding that seven states failed to submit complete interstate transport State Implementation Plans or SIPs for the 2015 8-hour ozone National Ambient Air Quality Standards
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Rescission of the Finding of Failure to Submit a Clean Air Act Section 110 State Implementation Plan for Interstate Transport for the 2015 Ozone National Ambient Air Quality Standards (NAAQS)
EPA is finding that seven states failed to submit complete interstate transport State Implementation Plans or SIPs for the 2015 8-hour ozone National Ambient Air Quality Standards
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CHP Benefits
Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.
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CHP Policies and Incentives
Access state and federal CHP policies and incentives through dCHPP (CHP policies and incentives database)
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Data Use and Citation
Citation for CASTNET data use in publications
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CHP Energy and Emissions Savings Calculator
Download the CHP Emissions Calculator, a tool that calculates the difference between the anticipated carbon dioxide, methane, nitrous oxide, sulfur dioxide, and nitrogen oxide emissions from a CHP system to those of a separate heat and power system.
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Solar Cells - Renewable Energy Fact Sheet
This fact sheet provides information on photovoltaic solar cells, advantages and disadvantages of this system and its applications at wastewater treatment plants.