May 13, 2025 · Documents and clarifies existing regulatory requirements and Agency guidance on stack testing.

A stack test is a procedure for sampling a gas stream from a single sampling location at a facility, unit, or pollution control equipment.

Stack Testing § 60.1285 What types of stack tests must I conduct? Conduct initial and annual stack tests to measure the emission levels of dioxins/furans, cadmium, lead, mercury, …

If your facility requires initial or continuous demonstration of compliance for air emission standards, you may need to conduct stack testing (also referred to as source sampling, …

Jun 12, 2025 · ALL4 has decades of experience with simple and complex stack testing efforts, from concept through planning, execution, and interpretation of data. If you have any …

Stack testing represents an analytical procedure to measure air pollutants emitted to the atmosphere or in regulatory terms: measuring the emissions from an emission point.

A facility that fails a stack test is required to document the failure, submit a report to the appropriate delegated agency, resolve the conditions that led to the failure, and test again.

Stack testing is an important tool used to determine a facility’s compliance with emission limits, or capture or control efficiencies established pursuant to the CAA. This guidance is to address …

To ensure the safety of all field personnel, stack sampling platforms, both permanent and temporary, and access ways leading to and from the platforms or testing locations, must be …

Apr 27, 2009 · The purpose of performance tests (a.k.a. source tests, compliance tests or stack tests) is to extract a sample that is representative of emissions from a stack or emission point …