Facts on the Stacks

Facts on the Stacks

The Engineering Source Test: Your Last Line of Defense Before the Real Thing

Don’t let a third-party testing crew reveal what your team should have caught 3 months earlier.

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The Polite Contrarian
Feb 21, 2026
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Why the Engineering Source Test Exists

Imagine this: a third-party source testing crew arrives after weeks of scheduling, coordination, and regulatory preparation. They set up their equipment, run their first test and your CO readings are off the charts. Your catalyst hasn’t been performing. The test fails. You’re now looking at rescheduling, re-notification of the air district, potential permit compliance issues, and a very uncomfortable conversation with leadership.

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