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Decontamination and post-remediation verification

Decontamination ends only when closure criteria are demonstrated

Visible removal is only part of the work. A serious project defines scope, controls dispersion, documents methods and verifies the source, surfaces, adjacent zones and required results before return to service.

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RSBQ professional fieldwork — Decontamination and post-remediation verification

Plan before opening assemblies

The work plan identifies the contaminant, extent, occupants, dispersion paths, waste, emergency stops and closure criteria.

  • Scope and zones
  • Containment
  • Pressure and filtration
  • PPE and decontamination
  • Transport and disposal

Execute under control

Methods are contaminant-specific. Asbestos, mould, lead dust and water damage do not use the same work rule or evidence.

  • Work log
  • Barrier monitoring
  • Dust control
  • Content protection
  • Deviations and corrective action

Use independent verification when risk requires it

Closure combines visual inspection, source correction, cleanliness, justified measurement or analysis and document review.

  • Source controlled
  • Materials treated
  • Area clean and dry
  • Acceptable results
  • Return-to-service report

RSBQ field guide · Moisture and mould

Questions a serious file should answer.

Context determines the method. These guideposts help distinguish a structured investigation from a simple collection of results.

01

Where is the water coming from?

Leak, condensation, infiltration, loss event, drainage or indoor humidity.

02

What is the real extent?

Visible surfaces, plausible concealed materials, odours, cavities and adjacent areas.

03

Who requires protection?

Vulnerable occupants, workers, clean zones and continuity of occupancy.

04

When is work closed?

Source corrected, materials addressed, cleanliness, drying and verification documented.

Minimum deliverables
  • Assignment and assessed areas
  • Method and conditions
  • Competence and instruments
  • Results and observations
  • Limitations and uncertainty
  • Decision, correction and follow-up

RSBQ · Québec · Canada

A clear scope. A verifiable status.

Explore the RSBQ accreditation process or verify a published record.

View the process