Mold Inspection Standards & Reporting Practices Flashcards
7 cards from real CMI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Mold Inspection Standards & Reporting Practices flashcards as text
Which federal agency's guidelines are most commonly referenced for mold inspection standards in residential buildings?
Answer: EPA
The EPA's 'A Brief Guide to Mold, Moisture, and Your Home' is the primary federal reference for residential mold inspection guidance.
What does 'erythema' in an inspection report context suggest when noted near a mold-affected area?
Answer: It refers to red staining from iron oxidation, not mold
Erythema refers to reddish staining, often from rust or iron-reducing bacteria, and must be distinguished from mold growth.
In a mold inspection report, what is the recommended way to reference laboratory results?
Answer: Attach the lab report as an appendix and reference it in the findings section
Lab reports should be attached as appendices and cross-referenced in the findings to provide full transparency and traceability.
According to standard mold inspection practices, how should a hidden moisture source suspected behind a finished wall be documented?
Answer: Document suspicion, explain non-invasive findings, and recommend invasive investigation
Inspectors should document suspicious indicators, explain the non-invasive findings, and recommend invasive investigation rather than acting outside scope.
Which laboratory analysis method provides genus-level identification of mold spores collected via air sampling?
Answer: Direct microscopy with spore identification
Direct microscopy identifies spores by morphology to the genus level, which is the standard for non-culturable air cassette samples.
What is the significance of the 'I/O ratio' (indoor/outdoor ratio) in mold air sampling reports?
Answer: It compares indoor spore counts to outdoor baseline to assess whether indoor levels are elevated
The I/O ratio helps determine whether indoor spore concentrations exceed outdoor background levels, indicating a potential indoor mold source.
When an inspector identifies Stachybotrys chartarum during a mold inspection, what should the report note about sampling limitations?
Answer: Stachybotrys spores are heavy and sticky, so air sampling may underestimate its presence
Stachybotrys produces heavy, sticky spores that do not readily become airborne, so surface/bulk sampling is more reliable than air sampling for this genus.