Guidance for Reporting Imported HFC Actions in ICIS

Small business definition (Formal, Conclusion, Administrative)

Entering a Federal Facility Agreement (FFA) and a Federal Facility Record of Decision (ROD) into ICIS

Temporarily Closed vs. Permanently Closed Operating Status for Clean Air Act (CAA) Facilities

ICIS Modernization Board (IMB) Meetings for 2021

Mapping a Title V source that is subject to NSPS TTTT. Distinction between 'non-major' and 'major' TTTT.

Calculating Percent Exceedance calculated

When is ICIS available or operational?

Federal Corrective Action Enforcement Orders Entered into ICIS and RCRAInfo

Linking a Federal Inspection to a NPDES Permit ID in ICIS-NPDES

Tribal Land Names/Codes (2024-12-16)

ICIS NPDES Data Sharing Training Materials

Expansion of Big Case Definition: Air Toxic Cases > 200,000 Pounds of Air Toxic Emissions (03/22/2010)

NODI Codes & Descriptions (2024-04-04)

Administrative penalty order complaint definition, and how to enter administrative data

Information Request definition

Credit for environmental benefits taken prior to concluding an enforcement action

NAICS Codes (2025-06-12)

ICIS Case Summary Field Must be Completed for Concluded Cases (09.02.2010)

Recording of Electronic Data Transfer (EDT) Training: Basics and Troubleshooting Significant Noncompliance