CMI CMI Health Effects & Remediation Safety 3

Question 1

Which regulatory agency provides the primary federal guidance on mold remediation in workplaces in the United States?

Accepted Answer

OSHA

Answer

EPA

Answer

CDC

Answer

NIOSH

Question 2

A homeowner develops chronic sinusitis after living in a mold-contaminated house for two years. Which mold genus is most commonly associated with sinusitis in non-immunocompromised individuals?

Accepted Answer

Alternaria

Answer

Stachybotrys

Answer

Chaetomium

Answer

Trichoderma

Question 3

What is the principal concern with glucan (fungal cell wall component) in water-damaged buildings independent of mycotoxin production?

Accepted Answer

Beta-glucans can trigger inflammatory responses in the lungs even from dead mold cells

Answer

Glucans cause chemical burns on skin contact

Answer

Beta-glucans are only relevant in food contamination scenarios

Answer

Glucans have no documented health effects in buildings

Question 4

Under the IICRC S520 standard, what is the minimum recommended clearance criterion after mold remediation?

Accepted Answer

Visual inspection reveals no visible mold growth and post-remediation air sampling is comparable to or lower than outdoor levels

Answer

Zero detectable spores on any surface sample

Answer

Air sampling must show fewer than 50 spores/m³ of any species

Answer

Post-remediation clearance testing is optional per IICRC S520

Question 5

Which type of respiratory protection is appropriate when spraying biocide solutions in a confined mold-contaminated space?

Accepted Answer

Full-face respirator with combination OV/P100 cartridges

Answer

N95 disposable filtering facepiece only

Answer

Half-face respirator with HEPA filters only

Answer

Powered air-purifying respirator with HEPA only

Question 6

A mold inspector's employer is required to maintain records of employee respirator fit tests for how long according to OSHA 29 CFR 1910.134?

Accepted Answer

Until the employee is no longer required to use a respirator or leaves employment

Answer

One year from the date of the fit test

Answer

Five years regardless of employment status

Answer

No record-keeping requirement exists for fit tests