Laws & Regulations
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Guidance on Control Strategies for State and Local Agencies
Guidance and strategies are offered for reducing vehicle air pollution, including ozone or smog-forming pollutants, particulate matter and other emissions that pose public health and air quality concerns.
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Estimating Emission Reductions from Travel Efficiency Strategies
Resources for state and local planners interested in estimating on-road greenhouse gas emissions and assessing the impact of specific travel efficiency strategies.
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Amendments Related to Marine Diesel Engine Emission Standards – Final Rule
EPA proposes to amend the national marine diesel engine program to provide relief provisions to address concerns for certified Tier 4 marine diesel engines commercial vessels. And makes a technical correction to the diesel fuel regulations.
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EPA’s Tier 4 Marine Diesel Engine Waiver
EPA announces the first example of issuing a Tier 4 waiver under our marine diesel regulations. Builders of eligible compact high-speed commercial vessels may apply to EPA to use an exempt Tier 3 engine. This page describes the application process.
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Report: Audit of the EPA’s Fiscal Year 2024 Compliance with the Payment Integrity Information Act of 2019
Report: Audit of the EPA’s Fiscal Year 2024 Compliance with the Payment Integrity Information Act of 2019
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Documentation for 2015 Revisions and Confidentiality Determinations for Data Elements under the GHGRP
Documentation for 2015 Revisions and Confidentiality Determinations for Data Elements under the GHGRP
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Documentation for 2015 Leak Detection Methodology Revisions and Confidentiality Determinations
Documentation for 2015 Greenhouse Gas Reporting Rule Leak Detection Methodology Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems (subpart W)
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Federal Register Notices for NPL Updates
Access all Federal Register Notices for NPL updats, ordered by year.
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Natural Resource Damages: ERAs and NRDAs
Learn about the Ecological Risk Assessment (ERA) process and the Natural Resource Damage Assessment (NRDA) process.
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EPA Approved Montana Source-Specific Requirements
EPA Approved Montana Source-Specific Requirements
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Documents Related to 2014 Toxics Release Inventory ICR
Documents explaining proposed changes to the TRI Information Collection Request (ICR) for 2014
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Contaminant, Media, and Site Type-Specific Remedy Guidance
Access remedy guidance documents for specific contaminants, media, and site type.
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Documents Related to 2011 Toxics Release Inventory ICR
Document explaining changes to the TRI Information Collection Request (ICR) for 2011.
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Battery Collection Best Practices Toolkit
temp metadata
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Air Permitting for Deepwater Port Act Projects in the South Central Region
Deepwater Port Permits in EPA's South Central Region, Region 6
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NPDES Pretreatment Discharge Requirements for Jabil, Incorporated in Colorado
Under NPDES permit number CO-PF00101, Jabil, Incorporated is authorized to discharge wastewaters to the Monument Sanitation District collection system in Monument, Colorado.
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NPDES Pretreatment Discharge Requirements for L&H Industrial in Wyoming
Under NPDES control mechanism CO-PF00102, Windsor Can Plant is authorized to discharge wastewater to the City of Windsor, Colorado, publicly operated treatment works (POTW).
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Method 204B - Volatile Organic Compounds in Captured Stream
Method 204B Volatile Organic Compounds Emissions in Captured Stream.
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21st Annual EPA Drinking Water Workshop: Small System Challenges and Solutions
Summary of the 2024 DW workshop and history of past workshops.
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Nitrate Rule - Failure To Monitor (FTM) - Public Notification Template
Tier 3 PN Templates for Community and Non-transient Non-community Water Systems to be used to notify customers of a Failure to Monitor (FTM) for Nitrate concentrations.