What this video covers
The clip covers verification after remediation work is finished.
The important detail is independence. Testing should come from a company that did not perform the remediation, because asking a contractor to certify their own work is not verification in any meaningful sense.
The takeaway
Budget for an independent clearance test as part of the job from the start. Without it you have a contractor’s opinion that the work is done, not evidence.
Read the full written guide: Post-Remediation Mold Testing.