Laws & Regulations

NEI Overview

Envirofacts provides the National Emissions Inventory data (NEI) to the general public.

Emission Reduction Banking Manual

This document is part of the NSR Policy and Guidance Database

NEI Search User Guide

Envirofacts provides the National Emissions Inventory data (NEI) to the general public.

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.

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.

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.

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,

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

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).

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.

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.

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.

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.

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.

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.

Ohio Operating Permit Program Documents

Ohio Title V Operating Permit Program Approval History

Fact Sheet: Protection of Stratospheric Ozone: New Listings for the Significant New Alternatives Policy Program in Refrigeration & Air Conditioning, Foam Blowing, Fire Suppression, Aerosols, and Solvent Cleaning Sectors

This determination of acceptability (Notice 34) expands EPA’s SNAP list of acceptable substitutes, providing industry with more options in the refrigeration and air conditioning, foam blowing, fire suppression, aerosols, and cleaning solvents sectors.