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Bathrooms Mold Inspection Case Studies

Inspection cases involving bathroom materials, moisture conditions, or reported water concerns.

2 published casesAir Sampling HVAC & Air Distribution Water Damage Bathrooms Home Purchases New Construction Commercial Properties Hidden Mold
Dark discoloration along the sampled rear interior seam of a bathroom vanity

Mold Found Inside a Bathroom Vanity After a Persistent Musty Odor

A homeowner reported persistent musty odors in three adjoining or vertically stacked bathrooms. In Bathroom #1, an accessible rear vanity seam showed discoloration and its surface swab supported fungal growth. Its air sample contained more than 8,000 Aspergillus/Penicillium-like spores/m³, unlike the other two bathrooms tested. The specific moisture source was not confirmed.

Dallas, Texas · Single-family residential · Bathrooms

  • bathroom mold
  • vanity
  • hidden mold
  • musty odor
  • aspergillus penicillium like spores
  • air sampling
  • surface sampling
  • moisture
  • bathroom cabinet
  • under sink
  • water intrusion
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Mold Found Inside a Bathroom Exhaust Duct in Grand Prairie

A homeowner requested evaluation of suspected mold in two bathroom shower areas and inside a downstairs bathroom exhaust vent. Surface samples from the upstairs shower, downstairs shower, and exhaust duct returned Minor fungal findings in the shower samples, which were not interpreted as active mold growth, and Heavy Cladosporium with Moderate hyphal fragments on the sampled interior duct surface.

Grand Prairie, Texas · Residential · Bathrooms

  • bathroom exhaust duct
  • bathroom vent
  • cladosporium
  • surface sampling
  • shower staining
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