CPR Antimicrobial Treatments & Disinfection 3

Question 1

After mold remediation is complete, the most objective method to verify successful treatment is:

Accepted Answer

Post-remediation air sampling or surface sampling analyzed by a laboratory

Answer

Visual inspection and sniff test by the project manager

Answer

Measuring relative humidity levels only

Answer

Checking that no discoloration is visible on treated surfaces

Question 2

In a Category 3 (black water) water damage loss, antimicrobial treatment is:

Accepted Answer

Required on all affected materials and surfaces as part of the remediation protocol

Answer

Optional if the affected area has been fully dried

Answer

Only necessary when visible mold growth is present

Answer

Limited to hard, non-porous surfaces only

Question 3

IICRC S500 guidelines require that antimicrobial application occur:

Accepted Answer

After physical removal and cleaning of affected materials

Answer

Before any physical removal of contaminated materials

Answer

Simultaneously with water extraction equipment

Answer

During the initial damage assessment phase only

Question 4

When applying antimicrobial treatments to an HVAC system following contamination, the technician should:

Accepted Answer

Shut the system down and follow confined space entry protocols if applicable before treating

Answer

Apply product while the system is running to distribute it through ductwork

Answer

Treat supply registers only, leaving return ducts untouched

Answer

Apply at maximum label concentration to compensate for air movement

Question 5

EPA-registered pesticidal surface coatings (residual antimicrobial coatings) differ from standard disinfectants in that they:

Accepted Answer

Claim ongoing antimicrobial protection after the applied surface has dried

Answer

Are classified as sanitizers and require a 3-log kill rate

Answer

Must be reapplied every 24 hours to maintain effectiveness

Answer

Are exempt from EPA registration requirements

Question 6

Which sampling method is most appropriate for collecting mold spore evidence directly from a remediated surface?

Accepted Answer

Tape lift or swab surface sampling

Answer

Spore trap air cassette sampling

Answer

Bulk material sampling only

Answer

Settled dust sampling using a vacuum pump

Question 7

Which statement best describes the role of chlorine dioxide in restoration antimicrobial applications?

Accepted Answer

Chlorine dioxide is a broad-spectrum oxidizing biocide effective against bacteria, viruses, mold, and spores, often used for whole-structure decontamination

Answer

Chlorine dioxide is an odor masking agent only, with no true antimicrobial activity

Answer

Chlorine dioxide is exclusively used for treating drinking water and is not approved for structural applications

Answer

Chlorine dioxide leaves a permanent protective residue similar to a surface coating