Science & Technology

Confirmatory Testing for Engines and Vehicles

The steps for confirmatory testing for small spark-ignition (SI) and compression-ignition (CI) engines at EPA's National Vehicle and Fuel Emissions Laboratory (NVFEL).

RFC 26001 - Toxic Substances Control Act (TSCA), Superfund and PFAS

Request for Correction about TSCA and Designation of PFOA and PFOS as Hazardous Substances under CERLA

Averaging, Banking, and Trading Report Template and Guidance for Nonroad Compression-Ignition Engines (NRCI)

Use this template and guidance to report for nonroad compression-ignition engines.

Averaging, Banking, and Trading (ABT) Report Template and Guidance for Onroad Heavy-Duty Compression-Ignition Engines for Criteria Pollutants

Use this template and guidance to report for compression-ignition engines.

Endocrine Disruptor Screening Program (EDSP) Estrogen Receptor Bioactivity

Endocrine Disruptor Screening Program (EDSP) Estrogen Receptor Bioactivty Based on ToxCast(TM) "ER Model" as of June 1, 2015.

TSCA Requirements for Exporting Chemicals

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

Data Download

The database will produce a .csv spreadsheet with registration numbers, product name, pc code, active ingredients, registration date range, and a combination of PULA metadata.

Map Services

These geospatial data and corresponding cartographic materials have been approved for use by the U.S. Environmental Protection Agency (EPA) as advised by the EPA Geospatial Advisory Committee (EGAC).

Petitions Filed to Establish New Exclusive Use Periods for a Specific Commodity

Pyroxasulfone Petition and Response

Petition(s) and Response(s) for Pyriproxyfen

T-REX Version 1.5 User's Guide for Calculating Pesticide Residues on Avian and Mammalian Food Items - Appendix B - Initial Pesticide Residues on Arthropods

Obtain empirical data from the scientific literature and registrant-submitted studies to refine the initial residue assumptions of pesticides on arthropods that are simulated with TIM, T-REX, and T-HERPS

Ecological Committee on FIFRA Risk Assessment Methods (ECOFRAM)

Background and materials related to formation and early work of the Ecological Committee on FIFRA Risk Assessment Methods.

Guidance for Using the Volatilization Algorithm in the Pesticide in Water Calculator and Water Exposure Models

This guidance document provides details on using the volatilization algorithm in the Pesticides in Water Calculator.

EPA Releases Analysis of Groundwater Model for Public Comment

EPA is releasing its Analysis of Subsurface Metabolism in Groundwater Modeling for public comment.

EPA Requests Input on Pesticide Safety Education Program for Farmworkers

The Environmental Protection Agency is sought public input on the design of a new National Farmworker Training and Education Program (NFTEP)

OncoLogic™ Version 9.0 User Guide

2015 - Process Improvements in the Pesticide Program

2015 PRIA Annual Report documents

PRIA FY2015: Documents on Maintenance Fees

pria annual report 2015 documents

2016 XML Schema Guide for Primary CDR Submissions

This document presents the extensible markup language (XML) schema guide for the Office of Pollution Prevention and Toxics’ (OPPT) e-CDRweb tool.

Testing Consent Order for Cyclohexane

EPA has issued a Testing Consent Order (Order) that incorporates an Enforceable Consent Agreement (ECA) pursuant to the Toxic Substances Control Act (TSCA).