Data and Tools

For Webmasters: Implementing Google Analytics at EPA

EPA has set up its own custom implementation of Google Analytics (GA), and a copy of the metrics EPA collects is sent to GSA as a way of meeting OMB requirements while maintaining the integrity of EPA’s Web traffic metrics.

AQS Memos - Use of Expanded List of Audit Levels for Annual Performance Evaluation for S02, N02, 03, and CO as Described in 40 CFR Part 58 Appendix A Section 3.2.2

EPA IT Password Security Policies

AQS "Ask the Experts" Webinar - Nov 2018

Questions and Answers from Nov 2018 Ask the Experts webinar

RSEI Toxicity-Data and Calculations

Detailed information on how RSEI toxicity weights are constructed and use in RSEI results metrics.

Call for Artist: EPA Artist-in-Residence Pilot Initiative

Map of South Platte River Basin

TRI Preliminary Dataset

The TRI preliminary dataset includes the most current TRI data available and reflects toxic chemical releases and pollution prevention activities that occurred at TRI facilities during the 2020 calendar year.

Emissions Testing Technical Resources at the National Vehicle and Fuel Emissions Laboratory (NVFEL)

This page provides detailed technical information on the emissions test methods, analysis, and calculations performed at the laboratory.

Partial Approval and Partial Disapproval of Oregon 2012 303d List

EPA's partial approval/disapproval of Oregon’s 2012 303(d) impaired waters list.

Summary of EPA Regional Data Quality "Best Practices" for Federal Facilities

This page contains tables that summarize data-quality best practices for federal facilities.

Freshwater Biological Traits Database (Traits)

The traits database was compiled for a project on climate change effects on river and stream ecosystems. The traits data, gathered from multiple sources, focused on information published or otherwise well-documented by trustworthy sources.

EPA Maps of Radon Zones and Supporting Documents by State

Access to individual EPA state map of radon zones and document for each state that provides background information concerning the development of the Map of Radon Zones.

Respiratory Health Effects of Passive Smoking: Lung Cancer and Other Disorders

This page contains a PDF version of the Respiratory Health Effects of Passive Smoking report and also a pdf version of an overview of progress made in reducing exposure to secondsmoke in the past 25 years.

Summary of Arizona's Water Reuse Guideline or Regulation for Direct Potable Water Reuse

Arizona (State Regulation) | Source water: Treated municipal wastewater | End use: Agriculture

Evaluating Residual Antimicrobial Coatings Test Results

EPA is conducting studies to support the response to the COVID-19 pandemic from which “interim” results - data from an ongoing, incomplete study - may be useful to the Nation. The summary here is intended to provide a simple representation of the results.