Laws & Regulations
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EPA Compliance with the National Environmental Policy Act
Describes how EPA complies with NEPA
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SBAR Panel: 1-Bromopropane Risk Management Rulemaking under the Toxic Substances Control Act
Information on SBAR panel for risk management of 1-bromopropane
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Final Volume Standards for 2020, 2021, and 2022
EPA finalizes 2020, 2021, and 2022 volume standards under the Renewable Fuel Standard (RFS) program, along with regulatory changes intended to strengthen the program.
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June 2022 Alternative RFS Compliance Demonstration Approach for Certain Small Refineries
EPA provides certain small refineries with an alternative approach to demonstrate compliance with their 2016-2018 RFS obligations.
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Development of the First National Mexican Emission Inventories for Ships Using the Waterway Network Ship Traffic, Energy, and Environmental Model (STEEM)
The purpose of this report is to help policy makers and stakeholders understand results, limitations and advantages of the ship emissions estimations that will form the basis of a Mexican ECA designation proposal.
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“Modeling and Validation of 48V Mild Hybrid Lithium-Ion Battery Pack,” SAE Technical Paper 2018-01-0433, 2018, SoDuk Lee, Jeff Cherry, Michael Safoutin, Joseph McDonald, Michael Olechiw
This paper presents the development and validation of a 48 V lithium-ion battery model that will be integrated into EPA’s ALPHA vehicle simulation model and that can also be used within Gamma Technologies, LLC (Westmont, IL) GT-DRIVE™ vehicle simulations.
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“Constructing Engine Maps for Full Vehicle Simulation Modeling,” SAE Technical Paper 2018-01-1412, 2018, Paul Dekraker, Daniel Barba, Andrew Moskalik, Karla Butters
This describes process for constructing complete engine maps using engine dynamometer and in-vehicle test data in ALPHA and others performing similar analyses; reviews using steady state and transient test data to characterize different operating conitions
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“Characterization of GHG Reduction Technologies in the Existing Fleet,” SAE Technical Paper 2018-01-1268, 2018, Kevin Bolon, Andrew Moskalik, Kevin Newman, Aaron Hula, Anthony Neam, Brandon Mikkelsen
Page examines advanced technology trends in light-duty vehicle fleet; vehicle changes on tailpipe CO2 emissions via metrics for powertrain efficiency; introduces methodology for representing existing technology implementations across non EVs using ALPHA.
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“Representing GHG Reduction Technologies in the Future Fleet with Full Vehicle Simulation,” SAE Technical Paper 2018-01-1273, 2018, Andrew Moskalik, Kevin Bolon, Kevin Newman, Jeff Cherry
This describes EPA implemented approach to expand and directly apply full vehicle simulation in its overall modeling methodology; eliminating manual calibration process, utilizing vehicle-class-specific response surface equations generated from large ALPHA
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Interim Joint Technical Assessment Report: Light-Duty Vehicle Greenhouse Gas Emission Standards and Corporate Average Fuel Economy Standards for Model Years 2017-2025
EPA and the NHTSA collaborated with CARB on this joint Technical Assessment Report to build on the success of the first phase of the National Program to regulate fuel economy and greenhouse gas (GHG) emissions from U.S. light-duty vehicles.
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Release Notes for OTAQReg v6.4.0
The release is a minor patch that addresses bug fixes and improvements to Accessibility.
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Renewable Fuel Standard Program: Affidavit for Professional Engineer Submitting an Updated Engineering Review Report
This document is an affidavit for a professional engineer submitting an updated Engineering Review Report. (November 2017)
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Aerosol Coatings: National Volatile Organic Compound Emission Standards
Read the rule summary, rule history and find additional documents, for the section 183(e) rule of volatile organic compounds for aerosol coatings
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Ways to Search and Browse NSCEP Publications
The searches look at a full-text index of the electronic documents and an index of the metadata records for both the hardcopy and digital titles.
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Title V Program Evaluations in Maine
EPA Title V program evaluation for Maine, September 23, 2019.
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Title V Program Evaluations in New Hampshire
EPA Title V program evaluation for New Hampshire, September 29, 2020.
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Regulating Pesticides
EPA regulates pesticides so they are safe when used according to the label directions. Learn about the regulation processes.
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Case Studies for the 2020 Chemical Data Reporting
This fact sheet provides information on existing Chemical Data Reporting (CDR) rule requirements related to byproducts reporting by persons who manufacture printed circuit boards and may be subject to CDR.
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Small Systems Guide to Safe Drinking Water Act Regulations
This page contains links to a collection of information to assist small systems with understanding and meeting the requirements of EPA's drinking water regulations.
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Pacific Southwest (Region 9) NPDES Wastewater & Stormwater Permits
Information about EPA's Pacific Southwest (Region 9) NPDES Wastewater and Stormwater Permits in Arizona, California, Hawaii, Nevada, and Pacific Island Territories.