Science & Technology

Dry Starch Powders Modified Teabag Method

The following is a test protocol for a “tea bag analysis” that was conducted on PMN starches by the Corn Refiners Association. This protocol is one approach to providing information on swellability of high molecular weight polymers.

New Chemical Information Bulletin: Exemptions for Research and Development and Test Marketing

EPA has received numerous questions about the scope of the exemption for R&D, under TSCA section 5(h)(3). This New Chemical Information Bulletin provides more specific guidance to manufacturers and processors of new chemical substances.

PDF Version of PMN/SNUN/MCAN/TMEA Submissions Received under TSCA

This document contains the Premanufacture Notices (PMNs) and Significant New Use Notices (SNUNs) Table.

PDF Version of Notices of Commencement Received under TSCA

This document contains the Premanufacture Notices (PMNs) and Significant New Use Notices (SNUNs) Table.

High Molecular Weight Polymers in the New Chemicals Program

There are three categories or types of High Molecular Weight (HMW, >10,000 daltons) polymers typically reviewed by the New Chemicals Program: Soluble, insoluble, and water absorbing. Each of the three types are treated differently.

New Chemical Exposure Limits under TSCA

EPA performs risk assessments and makes a risk management decisions on new chemicals. If EPA determines there to be unresonable risk, EPA may establish a New Chemical Exposure Limit (NCEL) to provide protection.

TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-17-0009

This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-7-0009, a depolymerized waste plastic.

How EPA Uses Information from the Endocrine Disruptor Screening Program

Information on how EDSP data will be used by the EPA.

Stakeholder Conference on Bee Health

USDA and EPA released a comprehensive scientific report on honey bee health in May 2013. The report points to multiple factors playing a role in honey bee colony declines, including parasites and disease, genetics, poor nutrition, and pesticide exposure.

Salmon Mapper

Information about the web application to assist pesticide users' with an understanding of the spatial extent of certain pesticide use limitations to protect endangered or threatened salmon and steelhead in California, Oregon and Washington.

Biotechnology Webinars

Information on the biotechnology webinars.

Consumer Exposure Model (CEM) Version 3.2 User's Guide

The CEM user guide contains information on the equations and defaults used in the modules with the Consumer Exposure Model.

Test Guidelines for Pesticides and Toxic Substances

Documents that specify methods EPA recommends to generate data submitted to EPA to support the registration of a pesticide, setting of a tolerance or tolerance exemption for pesticide residues, or the decision making process for an industrial chemical.

Risk Evaluation for 1-Bromopropane (1-BP)

1-Bromopropane (1-BP)

Federal Register Notice; Requirements for Inorganic Byproduct Chemical Substances; Notice of Public Meeting

EPA is planning to establish a Negotiated Rulemaking Committee (Committee) under the Negotiated Rulemaking Act (NRA) as indicated in a Federal Register notice of December 15, 2016, and required by section 8(a)(6) of the Toxic Substances Control Act (TSCA).