Science & Technology

Federal Register notice: Identification of Specific Chemical Substance and Mixture Testing Requirements; 1,1,1-Trichloroethane

This rule requires that testing of this chemical be performed according to protocols submitted to and approved by the Agency.

Final Scope Documents for High-Priority Chemicals Undergoing Risk Evaluation

Scope documents for the next 20 chemicals undergoing risk evaluation under TSCA.

Methyl Ethyl Ketoxime; Final Test Rule

EPA is issuing this final test rule under section 4 of the Toxic Substances Control Act (TSCA), requiring manufacturers and processors of methyl ethyl ketoxime (MEKO, CAS No. 96-29-7) to perform testing for health effects.

2-Ethylhexanoic Acid; Final Test Rule

EPA is issuing a final test rule, under section 4 of the Toxic Substances Control Act (TSCA), requiring manufacturers and processors of 2-ethylhexanoic acid (EHA, CAS No. 149-57-5) to conduct testing.

Dibasic Esters; Final Enforceable Consent Agreement and Testing Consent Order

Under section 4 of the Toxic Substances Control Act (TSCA), EPA has issued a testing consent order (Order) that incorporates an enforceable consent agreement (ECA) with the Aceto Corporation, E.I. du Pont de Nemours and Company, and Solutia Inc.

Unsubstituted Phenylenediamines; Final Test Rule

EPA is issuing a final rule, under section 4 of the Toxic Substances Control Act (TSCA), requiring manufacturers and processors of unsubstituted phenylenediamines to perform testing.

2-Ethylhexanol; Final Test Rule

EPA is issuing a final test rule, under section 4 of the Toxic Substances Control Act (TSCA), requiring manufacturers and processors of 2-ethylhexanol (EH: CAS No. 104-76-7) to conduct a 2-year oncogenicity bioassay.

Certain Chlorinated Benzenes; Final Test Rule

This rule promulgates EPA’s decision to require manufacturers and processors of 1,2,3-trichlorobenzene (CAS No. 87-61—6) to conduct testing.

Testing Consent Order on Alkyl Phthalates

This document announces that EPA has signed an enforceable testing Consent Order with Aristech Chemical Corporation (Aristech), BASF Corporation (BASF), Exxon Chemical Company (Exxon), Eastman Kodak Company (Kodak), and Witco Corporation, Humko Chemical.

The Frank R. Lautenberg Chemical Safety for the 21st Century Act incorporated into the Toxic Substances Control Act

The following document is an unofficial version of TSCA as recently amended by the Frank R. Lautenberg Chemical Safety for the 21st Century Act.

Antimicrobial Testing Methods & Procedures: EQ-14-01

Information about ATMP - Hach’s Digital Titrator for Total Chlorine Titration - EQ-12

Dealing with Nuisance Birds around Schools Webinar Presentations

Complete webinar presentations from February 24, 2015. Dealing with Nuisance Birds around Schools

GHG Emission Factors Hub

This resource provides organizations with an easy-to-use and transparent set of default emission factors for organizational greenhouse gas reporting.

AQUATOX 3.1 Supporting Documents

Contains the user's manual, technical documentation, user manual for the extension to BASINS, sensitivity analysis, and technical notes for AQUATOX.

AQUATOX Peer Review Documents

AQUATOX Release 2 underwent an external peer review in early 2003, and Release 3 underwent an external peer review in late 2008. Reviewers stated "model enhancements have made AQUATOX one of the most exciting tools in aquatic ecosystem management."

What's New in AQUATOX Release 3.1 Plus?

AQUATOX Release 3.1 includes numerous significant enhancements over previous versions that increase the realism and utility of the model. The most important enhancements include:

Hydrologic Micro Services HMS

A hydro-informatics platform called Hydrologic Micro Services (HMS) to address the importance of interoperability, transparency, reproducibility, and efficiency in environmental modeling

Urban Waters and the Western Lake Erie Basin near Toledo (Ohio)

This page provides background information on the Western Lake Erie Basin area one of the 18 Designated Urban Waters Locations.

Program Contacts for Western Lake Erie Basin

This page has the contact information for people working with the Western Lake Erie Basin urban waters partnership location

Bronx Harlem Gallery

Bronx Harlem gallery test page