Laws & Regulations
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Ozone NAAQS Timelines
2008 ozone standards remain in effect while the 2015 standards are being realized. EPA must make new area designations based on the 2015 standards before they can begin to be implemented.
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SIP Call Withdrawal and Air Plan Approval; NC: Large Internal Combustion Engines
The Environmental Protection Agency (EPA), Region 4 is approving a
portion of a State Implementation Plan (SIP) revision submitted by the State of North Carolina. -
Former Chamberlain Manufacturing Site, Waterloo, Black Hawk County, Iowa - Fact Sheet, June 2020
Public Comment Period for Proposed Final Remedy
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Former Chamberlain Manufacturing Facility, Waterloo, Black Hawk County, Iowa - Fact Sheet, September 2017
EPA Directs Chamberlain to Commence Groundwater Cleanup
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Agenda and Recordings for the 18th Annual EPA Drinking Water Workshop (Virtual)
Online agenda at a glance for the 18th annual drinking water workshop
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New Source Performance Standards Electronic Reporting
Regulations requiring electronic reporting and recordkeeping for new source performance standards.
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Municipal Solid Waste Landfills: New Source Performance Standards (NSPS), Emission Guidelines (EG) and Compliance Times
learn about the NSPS for municipal solid waste landfills by reading the rule summary, rule history, code of federal regulations text, fact sheets, background information documents, related rules and compliance information.
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Updates to New Chemicals Regulations under the Toxic Substances Control Act
Updates to New Chemicals Regulations under the Toxic Substances Control Act (TSCA)
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Coal Preparation and Processing Plants New Source Performance Standards (NSPS)
Learn about the NSPS regulation for coal preparation and processing plants by reading the rule summary, the rule history, the code of federal regulation text, the federal register, and additional docket documents
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Farnsworth Unit
MRV Plan and Decision for Farmsworth Unit
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Guidance for Email Transmittal of Air Permit Documents from Louisiana sources to R6AirPermitsLa@epa.gov
Provides email subject text and file naming conventions for people sending air permit related information to EPA Region 6 for sources located in Louisiana
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Boat Manufacturing: National Emission Standards for Hazardous Air Pollutants (NESHAP)
Find the rule summary and history for the NESHAP for Boat Manufacturing, as well as the federal register citations, code of federal regulations, and a fact sheet on the rule.
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My company has two stores in different states. Must each store be a separate certified firm?
Answer: It depends on the company's structure. If each store is a separate legal entity, then each store must be a certified firm. If the parent company retains liability for the actions of each store, the parent company's firm certification covers both stores. Question Number: 23002-19722 Find a printable PDF…
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Final Renewable Fuel Standards for 2019, and the Biomass-Based Diesel Volume for 2020
Learn more about final rulemaking for Volume Standards for 2019, and the Biomass-Based Diesel Volume for 2020
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Learn About SmartWay Verified Aerodynamic Devices
Installing EPA-verified aerodynamic technologies on your trailer can help fleet and truck owners save fuel. Options include gap reducers, skirts, or tails and can be installed individually or in combination.
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Documents Related to Volkswagen Violations for Model Years 2009-2016
Related documents on EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen. The NOV alleges software that circumvents EPA emissions standards for certain air pollutants.
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Learn About FCA Violations
Learn about EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to Fiat Chrysler Automobiles N.V. and FCA US LLC. The NOV alleges that FCA installed software that circumvents EPA emissions standards for certain air pollutants.
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Carbon Pollution from Transportation
Learn about the effects of carbon pollution from transportation.
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State Review Framework (SRF) - Alabama Final Reports
Details findings of the Alabama state review framework
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2018 Petition Requesting the Administrator Object to Title V Permit for Morehouse Bioenergy
This document is part of the Title V Petition Database.