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Post-Abatement Clearance Testing: What Actually Happens

Clearance testing is the independent check that proves an abatement worked. Here is how it goes step by step.

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5 min readUpdated July 10, 2025

Key takeaways

  • Clearance must be performed by an independent third party — not the abatement contractor.
  • It combines visual inspection with aggressive air sampling.
  • TEM analysis is the standard method for final clearance.

Step 1: Visual inspection

Our inspector walks the containment while it is still up, checking for any residual debris, dust, or damaged surfaces. Nothing is sampled until the visual passes.

Step 2: Aggressive air sampling

A leaf blower is used inside the containment to stir up any settled dust, and calibrated pumps draw air across filter cassettes for the required sampling period.

Step 3: TEM analysis and report

Cassettes are shipped to an NVLAP-accredited lab for TEM analysis. If fiber counts fall below the clearance threshold, we issue a signed pass letter. If not, the contractor re-cleans and we re-sample.

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Reviews

4.9★ average from 287+ Boca Raton neighbors

Real reviews from homeowners, property managers, and contractors across Palm Beach and Broward counties.

"Called at 8am about our popcorn ceiling before a sale. Inspector was here by 11 and I had the lab report the next morning. Professional and clear about what to do next."
Marcia D.Boca Raton, FL
"We manage 14 rental properties across Palm Beach. These are the only inspectors we use anymore — reports are always defensible and the pricing is transparent."
Andres R.Delray Beach, FL
"Honest people. They told us we probably didn't need to remove our floor tile if we weren't disturbing it — that saved us $8k. We used them for the clearance later."
Karen L.Boynton Beach, FL
"Needed a NESHAP demo survey on a tight permit timeline. They had the sealed report to my desk in 48 hours. Real pros."
Jason W.Deerfield Beach, FL

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