Science & Technology

Cyprodinil Petition and Response 3(c)(1)(F)(ii)

Petition(s) and Response(s) for Cyprodinil

Indoxacarb Petition and Response

Petition(s) and Response(s) for Indoxacarb

Forchlorfenuron Petition and Response

Petition(s) and Response(s) for Forchlorfenuron

Fludioxonil Petition and Response

Petition(s) and Response(s) for Fludioxonil

Flumioxazin Petition and Response

Petition(s) and Response(s) for Flumioxazin

Etoxazole Petition and Response

Petition(s) and Response(s) for Etoxazole

Cymoxanil Petition and Response

Petition(s) and Response(s) for Cymoxanil

Clothianidin Petition and Response

Petition(s) and Response(s) for Clothianidin

Ozone (O3) Air Quality Standards - Documents Prior to Review Completed in 1997

Ozone (O3) Air Quality Standards - Documents Prior to Review Completed in 1997

EPA marks one-year anniversary of Hurricane Helene with visit to Lake Lure, North Carolina, and commitment to remaining a partner in western North Carolina’s recovery

EPA marks one-year anniversary of Hurricane Helene with visit to Lake Lure, North Carolina, and commitment to remaining a partner in western North Carolina’s recovery

• Release Date: September 17, 2025

Ambient Air Quality Source Measurement and Emissions Factors Research

EPA scientists are characterizing the properties of pollutants emitted into the air through combustion, which will help states address public health challenges and develop emissions inventories for pollution control.

Memo: Sensitivity Analysis of Long-term Mean PM2.5 Concentrations for Selected Long-term Exposure Epidemiological Studies

Memo describing sensitivity analysis of long-term mean PM2.5 concentrations in support of the PM NAAQS review

Memo: Corrections to Relative Humidity Values Used in the Draft UFVA, Corrected Graphics, Tables, and Availability of Detailed Data File for Current Conditions

Memo describing corrections to values in the draft urban-focused visibility assessment in support of the PM NAAQS review

Memo: Re-analysis of the relationship between 24-hour and 4-hour visibility index levels

Memo describing the relationship between 24-hour and 4-hour visibility index levels in support of the PM NAAQS review

Memo: Updated comparison of 24-hour PM2.5 design values and visibility index design

Memo describing an updated comparison of 24-hour PM2.5 design values and visibility index design values in support of the PM NAAQS review.

Reference Library of Water Quality Criteria

Information related to Water Quality Criteria Reference Library

Water Filter Education Handouts

EPA and its partners have developed educational resources to help community members properly use and maintain water filters, including a toolkit and handouts.

Sustainable and Healthy Communities June 16-17, 2020: Presentations

Presentations for the BOSC SHC June 16-17, 2020 meeting.

Sustainable and Healthy Communities June 2020 StRAP Implementation Review

Meeting materials and relevant information for the June 2020 SHC BOSC implementation review.

Safe and Sustainable Water Resources Subcommittee Meeting Documents, April 23-24, 2019

Meeting documents for the Safe and Sustainable Water Resources Subcommittee meeting on April 23-24, 2019.