Catalog - Data.gov

An official website of the United States government

Here’s how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

This site is currently in beta, and your feedback is helping shape its ongoing development.

Data
Metrics
Organizations
User Guide
Contact

Search datasets

Found 2 datasets matching filters.

Draw a geographic box

Draw and drag to set the area, then Apply . Use Within/Intersect to match datasets to the box. The map displays top 20 Within results.

Within

Intersect

#1 Federal
Development of chemical categories for per- and polyfluoroalkyl substances (PFAS) and the proof-of-concept approach to the identification of potential candidates for tiered toxicological testing and human health assessment
- Organization: U.S. Environmental Protection Agency
- Updated: 2024-08-07
Data processing was conducted using the Anaconda distribution of Python 3.9 and associated libraries. Jupyter notebooks are available at https://github.com/patlewig/nts_pfas. Datasets supporting...
- html
- html
- html
- xml
- zip
Search relevance: 1.00 | Views last month: 3 | Published on: 2025-08-02
#2 Federal
Systematic Approaches for the Encoding of Chemical Groups: A Case Study
- Organization: U.S. Environmental Protection Agency
- Updated: 2024-03-01
The Supporting Information contains the following material: data set with ARN groups downloaded from https://echa.europa.eu/assessment-regulatory-needs in Feb 2023...
- html
- xml
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-08-02

Filter selections are applied on each click

Sort by

Filter by Geography
Start typing to see suggestions or use the pencil button to open a larger map

Filter by keyword
Start typing to see suggestions

Popular keywords:

Filter by organization
Start typing to select an organization

Popular organizations:

Organization types

Federal Government

City Government

State Government

County Government

University

Tribal

Non-Profit

Spatial data options

All datasets

Geospatial only

Non-geospatial only

About
Open Government
Website Policies
PERFORMANCE.GOV
Data.gov on Github

Follow @GSA

data.gov

An official website of the GSA's Technology Transformation Services

About GSA
Accessibility statement
FOIA requests
No FEAR Act data
Office of the Inspector General
Performance reports
Privacy policy

Looking for U.S. government information and services?

Visit USA.gov

Draw a geographic box

Development of chemical categories for per- and polyfluoroalkyl substances (PFAS) and the proof-of-concept approach to the identification of potential candidates for tiered toxicological testing and human health assessment

Systematic Approaches for the Encoding of Chemical Groups: A Case Study