Collections and Lists

Responses to 40 CFR Part 75 Petitions - 2021

The Agency response to the Sarpy County petition request..

PGVP Audit Results

The US EPA conducts blind audits of EPA protocol calibration gas cylinder mixtures produced by specialty gas manufacturers

Natural Gas STAR Partner Update Newsletters

Past issues of the Natural Gas STAR Program Partner Update newsletters.

Sources Registered Under the FIP for New and Modified True Minor Oil and Natural Gas Sources in Region 8 Indian Country

The sources on Indian country reservation lands in Region 8 that are registered under the Federal Implementation Plan (FIP) for New and Modified True Minor Oil and Natural Gas Sources.

Sources Approved for Coverage under the SQCS General Permit in Region 8

The sources on Indian country reservation lands that the Region 8 has approved for coverage under the General Air Quality Permit for New and Modified Minor Source Stone Quarrying, Crushing, and Screening Facilities in Indian Country (SQCS General Permit).

Sources Approved for Coverage under the HMA General Permit in Region 8

The sources on Indian country reservation lands that the Region 8 has approved for coverage under the General Air Quality Permit for New and Modified Minor Source Stone Quarrying, Crushing, and Screening Facilities in Indian Country (SQCS General Permit).

Tribal Minor NSR Facility Closure Form in Region 8

This form should be used to notify the EPA Region 8 Federal Minor NSR Permit Program that an existing True Minor NSR or Synthetic Minor NSR Facility has been closed and decommissioned.

Tribal Minor NSR Existing Source Registration Form in Region 8

This Tribal Minor NSR application form should be used to register an existing true minor source with the EPA Region 8 Tribal NSR Permitting Program.

Tribal Minor NSR Change in Ownership Form in Region 8

This Tribal Minor NSR application form should be used to notify the Region 8 Tribal Minor NSR Program of any changes in ownership of an existing facility.

Tribal Minor NSR Facility Location Change Form in Region 8

This form should be used to notify the EPA Region 8 Federal Minor NSR Permit Program that the location of an existing True Minor NSR or Synthetic Minor NSR source has changed.

Tribal Minor NSR Permit Amendment Application Form in Region 8

This Tribal Minor NSR application form should be used to request amendments to an existing Tribal NSR permit issued by the EPA Region 8 Tribal NSR Permitting Program.

Tribal Minor NSR Facility Contact Information Change Form in Region 8

This form should be used to notify the EPA Region 8 Federal Minor NSR Permit Program that the contact information of an existing True Minor NSR or Synthetic Minor NSR source has changed.

Sources Approved for Coverage under the Spark Ignition Engines General Permit in Region 8

The sources on Indian country reservation lands that the Region 8 has approved for coverage under the General Air Quality Permit for New and Modified Minor Source Stationary Spark Ignition Engines in Indian Country (SI Engines General Permit).

Tribal Minor NSR New Source General Application Form in Region 8

This Tribal Minor NSR application form should be used to request a minor NSR permit for a new construction project from the EPA Region 8 Tribal NSR Permitting Program.

Tribal Minor NSR Synthetic Minor Limit Application Form in Region 8

This Tribal Minor NSR application form should be used to notify the EPA Region 8 Tribal NSR Permitting Program of requested synthetic minor emission limits associated with a new source general application form.

Environmental Info in New Mexico

Lists links to A-Z Topic Index for New Mexico

NPDES Permits for Phase 2 Stormwater Program in Puerto Rico

EPA's 1999 stormwater Phase II regulations established small municipal separate storm sewer systems (MS4s) in urbanized areas, and small MS4s outside the urbanized areas that are designated by the permitting authority, to obtain NPDES permit coverage.

Technical Assistance Providers Serving Tribes in Region 10

Listing of technical assistance providers for Tribes in EPA Region 10.

Pompton Lakes Photo Gallery

This gallery provides representative photographs of the soil removal and dredging operations within the Pompton Lake Study Area (PLSA) performed starting in 2016 through the present. It will be periodically updated in conjunction with the progress of the

Policy/Guidance about Long-Term Stewardship of Federal Facilities after Cleanup

This page contains two policy/guidance documents related to long term stewardship.