Learn the Issues

TSCA Chemical Data Reporting Fact Sheet: Reporting Thresholds for 2020

This fact sheet provides information for persons who may be subject to the Chemical Data Reporting (CDR) rule about regulatory reporting thresholds that are applicable to the 2020 reporting period.

Support Documents for the Aluminum and Aluminum Oxide Partial Exemption Petitions

Groups or categories of chemical substances exempted from some or all of the reporting requirements of this part.

Fact Sheet: Reporting After Changes to Company Ownership or Legal Identity, 2020

This fact sheet provides information for persons who may be subject to the Chemical Data Reporting (CDR) rule about issues related to changes to company ownership or legal identity which may affect reporting for 2020.

TSCA Chemical Data Reporting Fact Sheet: Imported Articles, 2020

This fact sheet provides guidance and sample reporting scenarios on the reporting exemption for the import of a chemical substance as part of an article, for purposes of the Chemical Data Reporting (CDR) rule.

Cyflumetofen Petition and Response

Petition and Response documents for Cyflumetofen

Mystic River Watershed Steering Committee Meeting, October 13, 2016

Document(s) from the October 13, 2016 Steering Committee Meeting for the Mystic River Watershed.

Mystic River Watershed Federal Partnership Annual Call, September 1, 2015

Document(s) from the September 1, 2015 Federal Partnership Annual Call for the Mystic River Watershed.

Mystic River Watershed Federal Partnership Grant Informational Event, March 31, 2016

Document(s) from the March 31, 2016 Federal Partnership Grant Informational Event for the Mystic River Watershed.

Mystic River Watershed Steering Committee Meeting, March 10, 2016

Document(s) from the March 10, 2016 Steering Committee Meeting for the Mystic River Watershed.

Mystic River Watershed Open Space Subcommittee Meeting, September 29, 2016

Document(s) from the September 29, 2016 Open Space Subcommittee Meeting for the Mystic River Watershed.

Mystic River Watershed Municipal Subcommittee Meeting, November 15, 2012

Document(s) from the November 15, 2012 Municipal Subcommittee Meeting for the Mystic River Watershed.

Section 10: Ground Water - Waste Characteristics & Targets

Learn about the waste characteristics factor category in the ground water pathway, which is made up of two components: the toxicity/mobility of the most hazardous substance associated with the site and the hazardous waste quantity at the site.