MRS Containment & Isolation Procedures 3

Question 1

What type of tape is most appropriate for sealing polyethylene sheeting to painted drywall in a containment setup?

Accepted Answer

Poly seaming tape or spray adhesive designed for containment

Answer

Poly seaming tape or construction-grade spray adhesive provides an airtight seal to drywall without failing under humidity or pulling off surface finishes.

Question 2

A remediation project involves a finished basement with open-joist ceilings. How should the ceiling be addressed in the containment design?

Accepted Answer

Drape poly sheeting across the joists to form a ceiling barrier

Answer

Open joists must be covered with poly sheeting draped and sealed across them to complete the ceiling plane of the containment barrier.

Question 3

Which personal protective equipment (PPE) change procedure should occur at the containment egress airlock?

Accepted Answer

Remove outer PPE layer in the airlock before exiting to the clean area

Answer

Workers must remove the outer contaminated PPE layer inside the airlock or decon chamber before entering the clean area to prevent spore transfer.

Question 4

What is the primary reason for using ground cover poly sheeting on floors inside containment?

Accepted Answer

To capture debris and prevent spore embedment in floor materials

Answer

Floor poly captures fallen mold-contaminated debris and prevents spores from embedding into carpet or flooring, making cleanup more effective.

Question 5

Under IICRC S520 guidelines, what is the minimum condition that triggers the requirement for a full containment (Condition 3 remediation)?

Accepted Answer

Contaminated area greater than 100 square feet or evidence of HVAC involvement

Answer

Condition 3 remediation (full containment) is required when gross contamination exceeds 100 sq ft or when HVAC systems are involved in mold distribution.

(MRS) Mold Remediation Specialist Practice Test

(MRS) Mold Remediation Specialist Practice Test

MRS Containment & Isolation Procedures 3