Science & Technology

Meteorology - Chemistry Interface Processor

MCIP processes meteorological model output from the Weather Research and Forecasting (WRF) Model into I/O API-formatted files that are compatible with CMAQ and SMOKE.

Human Health Issues Related to Pesticides

This web page discusses the potential health effects from pesticides.

TSCA Requirements for Importing Chemicals

Describes various TSCA import and export requirements under various Sections of TSCA and the CFR.

Republic Services LLC in Robstown, Texas

The U.S. Environmental Protection Agency, Region 6 (EPA or Agency) is renewing and modifying a Toxic Substances Control Act (TSCA) approval issued to US Ecology Texas, Inc. – Republic Services (USET)

Pydiflumetofen Request for Exclusive Use Extension and Response

Petition(s) and Response(s) for Pydiflumetofen

Spiromesifen Petition and Response

Petition(s) and Response(s) for Spiromesifen

Quinoxyfen Petition and Response

Petition(s) and Response(s) for Quinoxyfen

Clethodim Petition and Response

Petition(s) and Response(s) for Clethodim

Cost Data Associated with the Impacts and Control of Nutrient Pollution: Report and Spreadsheet

A Compilation of Cost Data Associated with the Impacts and Control of Nutrient Pollution

Supplemental Documents for November 19-22, 2019 SAP Meeting

Supporting documentation for FIFRA SAP on Approaches for Quantitative Use of Surface Water Monitoring Data in Pesticide Drinking Water Assessments.

Spinosad Petition and Response

Petition(s) and Response(s) for Spinosad

RE-Powering America’s Land Initiative Webinars

Webinars recorded from previous RE-Powering America’s Land Initiative presentations.

Petroleum Refineries - Summary of Public Comments and Responses

National Emission Standards for Hazardous Air Pollutants
for Petroleum Refineries
Background Information for Final Rule
Summary of Public Comments and Responses

Technical Reports and Journal Articles on Air Sensor Technology

Technical reports and journal articles by EPA on air sensor research and development are available for the public.

Preface to Selected Information Directives (i.e., SLCM Policy, Procedure and Guidance) (09/26/16)

Fenpropathrin Petition and Response

Petition(s) and Response(s) for Fenpropathrin

Fenhexamid Petition and Response

Petition(s) and Response(s) for Fenhexamid

2016 eCDRweb User Guide–Primary Authorized Official

This document presents the user guide for the Office of Pollution Prevention and Toxics’ (OPPT) 2016 e-CDRweb tool. This document is the user guide for the Primary Authorized Official (AO) user of the 2016 e-CDR web tool.

National Lakes Assessment 2012 Key Findings

Key findings from the 2012 National Lakes Assessment

Chlorantraniliprole Petition and Response

Petition(s) and Response(s) for Chlorantraniliprole