Collections and Lists

Carcinogenicity Study of Tetrachloroethylene by Inhalation in Rats and Mice. Histological Findings (Two-Year Studies: Individual) JBRC

This is the unpublished appendix of critical studies for tetrachloroethylene (PERC) from the external peer review.

Perchloroethylene: Multigeneration Inhalation Study in the Rat. Individual Animal Data Supplement - Zeneca

These are the unpublished appendices of the critical studies for tetrachloroethylene (PERC) from the external peer review.

Perchloroethylene: Multigeneration Inhalation Study in the Rat. Zeneca Tinston (11-03-1994)

The purpose of this study was to investigate the effect of inhalation of atomospheres containing perchloroethylene and the propagation of two generations of the Alpk:APfSD (Wistar-derived) strain of rat.

IRIS Public Science Meeting (Feb 2015)

The objective of this public meeting is to obtain input from the scientific community and the public on studies and data that will be used in these phthalate assessments that are under development.

IRIS Public Science Meeting (Aug 2020)

The Jun 2020 public meeting has been announced where the EPA will solicit comments on the public comment draft of the IRIS Assessment Plan (IAP) for Oral Exposure to Vanadium and Compounds.

IRIS Public Science Meeting (Dec 2019)

The December 5, 2019 public meeting has been announced where the EPA will solicit comments on the public comment draft of the IRIS Assessment Plan (IAP) of Inorganic Mercury Salts (3 compounds).

Supporting Documents for Perchlorate (ClO4) and Perchlorate Salts

This page contains other documents related to the IRIS assessment of Perchlorate (ClO4) and Perchlorate Salts.

IRIS Public Science Meeting (Jul 2021)

The July 2021 public meeting has been announced where the EPA will solicit comments on the public comment draft of the IRIS Assessment Plan (IAP) for Inhalation Exposure to Vanadium and Compounds.

IRIS Public Science Meeting (June 2016)

This June 2016 public meeting is made available to solicit comments on the public comment draft of the IRIS Assessment of tert-Butanol. The draft document was re-opened in the docket for a 60-day public comment period closing on July 16, 2016.

IRIS Public Science Meeting (Jan 2023)

The August 23, 2018 public meeting has been postponed as of August 22, 2018. Stay tuned for more information about a future event where the EPA will solicit comments on the public comment draft of the IRIS Assessment Plan (IAP) of Naphthalene.

Basic Information about the Integrated Risk Information System

This page provides a basic definition of IRIS and historical information about the development of the system.

IRIS Agenda

This page includes past and present IRIS Agendas as announced either in the Federal Register or on the IRIS Website. In 2018 this was superseded by the IRIS Program Outlook document.

Columbia River Basin Toxics Monitoring Project Tracking Matrix

Spreadsheet for tracking toxics monitoring efforts in the Columbia River Basin to help facilitate coordination and assist with identifying information gaps.

EPA-Approved Regulations in the Nevada SIP: Lander County

EPA-Approved Lander County, Nevada, air regulations.

Tribal NSR Virtual Training Series

Webpage that lists the PowerPoint presentations and recordings for the 2024-2025 Tribal NSR Virtual Training Series.

Processing Fish Biopsy Plug Samples

Presidential Innovation Award for Environmental Educators (PIAEE) Winners

Summaries of winners of the Presidential Innovation Award for Environmental Educators, and links to winners of past years.

Presidential Innovation Award for Environmental Educators (PIAEE) 2024 Winners

Summaries of winners of the Presidential Innovation Award for Environmental Educators, and links to winners of past years.

Qualitative Sheen Assessment Results

Sampling and Analysis Plan (SAP) Template Tool for Addressing Environmental Contamination by Pathogens