Learn the Issues

EPA proposes a new cleanup plan for a portion of the Mississippi Phosphate Superfund Site

A public meeting and official comment period will be held for the new plan

EPA News Release: EPA proposes a new cleanup plan for a portion of the Mississippi Phosphate Superfund Site

Release Date: March 17, 2025

Kewaunee County Groundwater

Documents and background associated with Kewaunee County, Wisc. groundwater issues.

Natural Gas Ambient Air Monitoring Initiative

EPA Region III Natural Gas Ambient Air Monitoring Initiative (NGAAMI) in Southwestern Pennsylvania

NGAAMI Report Appendix A

Natural Gas Ambient Air Monitoring Initiative (NGAAMI) Report Appendix A: Data Tables and Statistical Output

NGAAMI Appendix D

Natural Gas Ambient Air Monitoring Initiative (NGAAMI) Appendix D: TO 15 Method for Volatile Organic Compounds

June 6, 2011 Letter from Shelley Lucas to Stephen Smith and Melissa Waters

June 6, 2011 Letter from Shelley Lucas to Stephen Smith and Melissa Waters, USEPA, Subject: Response to Information Request Under 92 U.S.C. 9604 to Gannett Co., Inc., Dated March 24, 2011, Regarding Capitol City Plume Site, Montgomery, AL

Report of the Chief FOIA Officer to the U.S. Department of Justice, 2016

2016 Chief FOIA Officer Report (March 2015 - March 2016)

NGAAMI Executive Summary

This document describes the analysis of air monitoring and other data collected from a late summer though fall of 2012 under EPA’s initiative Natural Gas Ambient Air Monitoring Initiative (NGAAMI)

NGAAMI Appendix C

Natural Gas Ambient Air Monitoring Initiative (NGAAMI) Appendix C: Data Laboratory Reports

NGAAMI Appendix B Data Laboratory Reports

Natural Gas Ambient Air Monitoring Initiative (NGAAMI) Appendix B: Data Laboratory Reports

NAAGMI Abstract

Natural Gas Ambient Air Monitoring Initiative (NGAAMI) in Southwestern Pennsylvania Abstract

NGAAMI Appendix B

Natural Gas Ambient Air Monitoring Initiative (NGAAMI) Appendix B: Longitudinal Data Analysis for Volatile Organic Compounds

NGAAMI Appendix E

Natural Gas Ambient Air Monitoring Initiative: Appendix D: Quality Assurance Project Plan

Report of the Chief FOIA Officer to the U.S. Department of Justice, 2017

2017 Chief FOIA Officer Report (March 2016 - March 2017)

Nondiscrimination in Programs or Activities Receiving Federal Assistance from the Environmental Protection Agency

When will EPA release the 2020 emissions data?

The 2020 NEI was released in March of 2023. The 2020 emissions modeling platform is expected to be released in autumn of 2023.

Last published: March 17, 2025