Laws & Regulations
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Proposed Rule and Related Materials for Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles
EPA and NHTSA, on behalf of the Department of Transportation, each proposed rules to establish a comprehensive Heavy-Duty National Program to reduce greenhouse gas emissions and increase fuel efficiency for onroad heavy-duty vehicles.
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Final Rule for Determination of Significance for Nonroad Sources and Emission Standards for New Nonroad Compression-Ignition Engine at or Above 37 Kilowatts
EPA finalized the determination of significance of emissions from large, nonroad, compression-ignition (CI) engines at or above 37 kilowatts (kW) in power
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Final Rule for Control of Emissions of Air Pollution From Nonroad Diesel Engines and Fuel
Proposed Rule for Control of Emissions of Air Pollution From Nonroad Diesel Engines and Fuel
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Proposed Rule and Related Materials for Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy-Duty Highway Engines and Vehicles; Revision of Light-duty Truck Definition
Includes links to Federal Register notice, fact sheet and final rule.
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Final Rule for Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy-Duty Highway Engines and Vehicles; Revision of Light-Duty On-Board Diagnostics Requirements
Final Rule for Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy-Duty Highway Engines and Vehicles; Revision of Light-Duty On-Board Diagnostics Requirements
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EPA Analysis of Decision in Barrick Goldstrike Mines, Inc. v. Whitman
Summary of a 2003 court decision related to TRI reporting requirements for metal mining operations.
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TRI Metal Mining Information
Background information on issues relevant to the possible modification of TRI reporting requirements for metal mining facilities.
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Qs & As Analyzing the Decision in Barrick Goldstrike Mines, Inc. v. Whitman
Answers to common questions related to a 2003 court decision involving TRI reporting requirements for metal mining operations.
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Summary of the TRI Reporting Requirements and National Mining Association (NMA) Lawsuit
Summary of actions taken related to a 1998 lawsuit filed by the National Mining Association challenging EPA's 1997 TRI industry expansion rulemaking.
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Proposed Rule and Related Materials for Non-Conformance Penalties for 2004 and Later Model Year Emission Standards for Heavy-Duty Diesel Engines and Heavy-Duty Diesel Vehicles
Includes links to Federal Register notice, fact sheet, technical support document and final rule.
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Nov. 6, 2003 Letter Answering if a Gasoline Terminal is Subject to the 100 Ton Per Year Major Source Threshold
This document is part of the NSR Policy and Guidance Database
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Final Rule for Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines; Non-Conformance Penalties for 2004 and later Model Year Emission Standards for Heavy-Duty Diesel Engines and Heavy-Duty Diesel Vehicles
Final Rule for Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines; Non-Conformance Penalties for 2004 and later Model Year Emission Standards for Heavy-Duty Diesel Engines and Heavy-Duty Diesel Vehicles
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The Safer Affordable Fuel Efficient (SAFE) Vehicles Proposed Rule for Model Years 2021-2026
National Highway Traffic Safety Administration and Environmental Protection Agency propose to amend certain existing Corporate Average Fuel Economy and GHG emissions standards for MY 2021-2026 passenger cars and light trucks and establish new standards.
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NPDES Permit for Town of Browning Wastewater Treatment Facility in Montana
Under National Pollutant Discharge Elimination System permit number MT0031835, the Town of Browning is authorized to discharge from from its wastewater treatment facility in Glacier County to Depot Creek.
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Proposed Rulemaking: Arizona Underground Injection Control Primacy Program
The State of Arizona has submitted an application under Section 1422 of the Safe Drinking Water Act (SDWA) seeking primary enforcement responsibility (or "primacy") for the underground injection control (UIC) program for all Classes I – VI injection wells.
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Federal Legislation, Regulation, and Executive Orders Relevant to Federal Electronics Stewardship
This document lists federal legislation, regulation, rules, and Executive Orders that are applicable to the purchasing, operation and maintenance, and end-of-life management of electronic equipment.
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Ensuring Measurement Competency
Read the EPA policies created to ensure the quality of information from generated data. This data is then collected and used for making scientific and regulatory decisions
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SBAR Panel: Review of the Oil and Natural Gas New Source Performance Standards
small entity SBAR panel oil and gas new source performance standards
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Primary Sulfur Dioxide NAAQS Implementation Schedule
The effective date for the primary sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS) established in 2012, is followed by designations of nonattainment areas and subsequently required state implementation plans (SIPs).