Laws & Regulations
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Metal Products and Machinery Effluent Guidelines Documents
Support documents for Metal Products and Machinery Effluent Guidelines (40 CFR Part 438)
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Organic Chemicals Effluent Guidelines Documents
Federal Register notices and documents supporting the OCPSF rules
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Particulate Matter (PM) Air Quality Standards - Documents Prior to Review Completed in 1997
Particulate Matter (PM) Air Quality Standards - Documents Prior to Review Completed in 1997
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Project Emissions Accounting
Proposed rule applying to the New Source Review permitting program
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NEI Overview
Envirofacts provides the National Emissions Inventory data (NEI) to the general public.
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Emission Reduction Banking Manual
This document is part of the NSR Policy and Guidance Database
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NEI Search User Guide
Envirofacts provides the National Emissions Inventory data (NEI) to the general public.
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Envirofacts Reports
This website provides access to several EPA databases to provide information about environmental activities that may affect air, water, and land anywhere in the United States.
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Region 5 Underground Injection Control Transfer of Ownership Requirements
List of documents that an underground injection well must submit to U.S. EPA Region 5 in order to complete a transfer of permit or rule-authorization.
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Greenhouse Gas Operator Definition
Search the GHG data for individual facilities by name, or location or filter the data set by state or county, industrial sectors, annual facility emissions thresholds and greenhouse gases.
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Oskaloosa, Iowa - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against the City of Oskaloosa, Iowa, for alleged violations associated with the management of sewage sludge in or around Oskaloosa,
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Vertedero Municipal de Toa Alta
El Municipio de Toa Alta ha acordado un segundo acuerdo judicial con la Agencia de Protección Ambiental de los Estados Unidos (EPA, por sus siglas en inglés), y el Departamento de Justicia de los Estados Unidos (DOJ, por sus siglas en inglés) para abordar
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Region 8 NPDES Drinking Water General Permit
The Region 8 NPDES Drinking Water General Permit was finalized and public noticed in the Federal Register on April 17, 2019. The final permits are effective as of July 31, 2019.
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NPDES Permit for Lower Brule Wastewater Lagoon System in South Dakota
Under NPDES permit number SD-0020800, the Lower Brule Sioux Tribe is authorized to discharge from its wastewater lagoon system serving the town of Lower Brule, located in Lyman County, South Dakota, to the bank of the Missouri River (Lake Sharpe).
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Open Data Policies
Policies and guidance related to EPA open data including OPEN Government Data Act, Evidence Act, and 21C IDEA implementation. Includes specific information about scientific data policy.
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EPA Advisory Letters to Companies Regarding Fraudulent COVID-19 Disinfectants
EPA has advised eight Bay Area-based technology companies that unscrupulous dealers are using their platforms to sell illegal disinfectant products. The companies include Facebook, Ebay, Alibaba, Shopify, Qoo10, Joybuy.com, Wish.com and banggood.com.
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EPA’s Data and Analysis of Piston-engine Aircraft Emissions of Lead at U.S. Airports
Materials related to programs to reduce lead emissions from aircraft through monitoring lead levels at airports.
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Fact Sheet: Supplemental Proposal to Rule 23 – Protection of Stratospheric Ozone: Listing of Substitutes under the Significant New Alternatives Policy Program
Section 612 provides that EPA must prohibit the use of a substitute where EPA has determined that there are other available or potentially available substitutes that pose less overall risk to human health and the environment.
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Final Rule - Protection of Stratospheric Ozone: Change of Listing Status for Certain Substitutes under the Significant New Alternatives Policy Program
Section 612 provides that EPA must prohibit the use of a substitute where EPA has determined that there are other available substitutes or potentially available substitutes that pose less overall risk to human health and the environment.
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Supplemental Proposal: Protection of Stratospheric Ozone: Listing of Substitutes under the Significant New Alternatives Policy Program
Under section 612 of the Clean Air Act, EPA reviews substitutes within a comparative risk framework.