Compliance and enforcement

Settlements and orders

Monitoring your emissions and complying with your permit

Electronic reporting policy

This policy was developed to help regulated entities with electronic reporting requirements, including EERs, Stack Test Protocols, CEMS Performance Evaluations, mercury reports, landfill Tier 2 and Tier 3 test protocols, landfill Gas Collection and Control System (GCCS) Design Plans, landfill Design Capacity Reports, landfill Corrective Action Timeline Requests/Alternative Timeline Requests, MACT reports, NSPS reports, and Title V semi-annual and annual reports (semi-annual Monitoring and Permit Deviation reports and Annual Compliance Certification reports).

Opacity and stack testing firms

Malfunction or upset condition reporting

Event reporting form and reporting instructions.

Notice of startup (NOS)

Download this form and submit it electronically. 


Information for completing self-certification requirements in your permit.

Compliance test manual

Standard ECD Protocol

OTM 52 Outlet Only Testing Protocol

Procedures for performance testing.

Continuous monitoring system guidelines 

Compliance assistance and enforcement guide

Developed to help regulated entities understand various enforcement-related rules and procedures.

Calculating rolling 12-month totals of air emissions

Oil & gas compliance and recordkeeping

Additional requirements specifically for oil and gas sources, including reporting forms and guidance (LDAR, AIMM, Regulation 7, visible emissions, NSPS OOOO, STEM, etc.).

Portable analyzer monitoring protocol

Explains how to determine emissions of nitrogen oxides, carbon monoxide and oxygen from natural gas-fired reciprocating engines, combustion turbines, boilers, and process heaters using portable analyzers.

Natural gas transmission and storage segment

Additional requirements specifically for Colorado's natural gas transmission and storage segment.

Gasoline tank truck certification

Annual certification form, contact information.

Enforcement Action Reports

Engine Testing Initiative

In 2014, the Air Pollution Control Division piloted an engine testing program to gather data and assess engine compliance using a portable electrochemical emissions analyzer.