Data and Tools

CSAPR Compliance Year 2021 NUSA NODAs

This page contains links to NUSA Notices of Data Availability for the CSAPR 2020 compliance year.

Good Neighbor Plan Results

EPA is releasing NOx emission reductions from the first ozone season under the Good Neighbor Plan.

Monitoring Plan for Part 75 Sources

Learn about monitoring plan data, which defines relationships between stacks, pipes and units, specifies location of monitors, and identifies equipment used.

Field Audit Checklist Tool (FACT) Field References

The Field Audit Checklist Tool API documentation contains a set of API endpoints that return a list of all regulated facilities, the units monitoring plan, QA Test and hourly emissions.

Field Audit Checklist Tool (FACT) API

FACT is a Windows desktop application intended to help auditors perform field audits. On this page, find API data for developers to use to create software or interact with an external system.

Total Deposition Maps

Annual average total deposition estimated with the TDep Measurement Model Fusion method that combine the dry deposition and wet deposition grids.

Submit a FOIA Request

Submit through EPA's public access link (PAL), Contact Public Liaison

Register for Siteimprove - EPA's QA Tool

Register for access to Siteimprove, where you can see quality assurance scores and reports for your web area including broken links and misspellings, accessibility issues such as headings and links, and other usability issues you can improve.