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Mold Inspection Reports from Federal Way

Below are recent mold inspection projects we’ve completed in the Federal Way area.  These reports can help provide you with an idea of the issues we typically encounter in your region.

Project Type > Water Intrusion Inspection in Federal Way

PROJECT SUMMARY

REASON FOR INSPECTION:

  • Client has had multiple small water intrusion issues near the back door that has affected the carpet. Now she is experiencing respiratory issues and thinks it may be from a mold problem. Environix hired to inspect the area of concern as well as collect an indoor air quality sample.

PROPERTY DESCRIPTION:

  • This rental apartment residence was built in 2003.

CAUSE OF MOLD:

  • Mold is primarily in the carpet and is likely from small flooding incidents from a clogged downspout on the back porch.

LABORATORY RESULTS

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ANALYSIS OF YOUR RESULTS:

  • Extreme Amplification: Mold spores were detected at levels many times greater than the threshold, indicating a site of high mold amplification and growth. Please refer to the attached report for more detailed information.

The most likely contributor of the elevated mold spores is:

  • Recent water intrusion.
  • Prior water intrusion.

Recommendations:

  • Mold spore levels are extremely amplified when a post rake sample was performed. This indicates the carpet is holding mold spores and must be replaced. Cleaning this carpet will not remove the mold issue. During the removal of this carpet the use of HEPA air scrubbers to filter the air is required, otherwise the home will become heavily contaminated with mold spores.

JOBSITE PHOTOS

Area of concern where water is intruding inside

Area of concern where water is intruding inside

Mold on tack strip from water intrusion at back door

Mold on tack strip from water intrusion at back door

Light mold on backing of carpet

Light mold on backing of carpet

RELATIVE HUMIDITY, CO2, & TEMPERATURE READINGS:

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LOCATION: Living Room

GENERAL OBSERVATIONS:

  • The living room is furnished with carpeting in average condition. The carpeting is a tight loop pile (Berber style) and appears to be old. Carpeting in room is old and a likely repository of mold spores. Carpeting can hold mold spores for long periods of time, long after the original source of the mold growth has been removed.
  • The living room is equipped with double paned vinyl framed windows with no evidence of condensation or mold problems.
  • The carpet was pulled back during the inspection. Mold was noted on the carpet tack strip, and light mold staining observed on the back of carpet.
  • Mold observed on the baseboard trim.
  • Carpet tack strip is deteriorating. This often occurs due to groundwater intrusion.

GROUNDWATER

  • Evidence of recent and past groundwater intrusion. The clogged downspout on the back patio has resulted in the patio flooding and water penetrating the home in this area. This condition appears to have been ongoing.

Recommendations:

  • Ensure the patio downspout is unclogged and water is able to drain correctly, away from the home.
  • See ventilation section above for recommendations to eliminate condensation.
  • Remove and replace the carpeting in this room. Removal of carpeting should be performed with HEPA air scrubbers in place. Please see attached pricing.

FLOORPLAN:

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Project Type > Inspection for Mold & Water Intrusion for a business in Federal Way

PROJECT SUMMARY

REASON FOR INSPECTION:

  • Clients are noticing a strong odor in the building as well as some areas of mold. Environix hired to inspect the building for mold/moisture issues and provide recommendations where needed.

PROPERTY DESCRIPTION:

  • This commercial property is a converted residential property that was built in 1950 and is 2,889 ft².

CAUSE OF MOLD:

  • Mold in the lobby closet is caused by poor outside drainage allowing water under the building.

LABORATORY RESULTS

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ANALYSIS OF YOUR RESULTS:

  • No Amplification in Massage Room 2: No mold spores were measured at levels equal to or above the threshold in Massage Room 2, and do not indicate a site of probable mold amplification and growth. Please refer to the attached report for more detailed information.
  • Extreme Amplification in Lobby: Mold spores were detected at levels many times greater than the threshold in the Lobby, indicating a site of high mold amplification and growth. Please refer to the attached report for more detailed information.

The most likely contributor of the elevated mold spores is:

  • Water intrusion.

Recommendations:

  • Due to the elevated levels of mold spores, the operation of a commercial HEPA air scrubber is highly recommended. This will rapidly lower the indoor mold spore levels. Please see included pricing.

JOBSITE PHOTOS

Mold noted in lobby closet

Mold noted in lobby closet

Subfloor and wall materials in closet are saturated

Subfloor and wall materials in closet are saturated

Exterior of closet, downspout is allowing water to go beneath building

Exterior of closet, downspout is allowing water to go beneath building

Efflorescence, not mold

Efflorescence, not mold

Overflowing gutter is dripping near building and intruding beneath

Overflowing gutter is dripping near building and intruding beneath

Possible toilet seal leak detected in bathroom

Possible toilet seal leak detected in bathroom

Rodent traps in attic, Very strong dead rodent odor in attic

Rodent traps in attic, Very strong dead rodent odor in attic

RELATIVE HUMIDITY & TEMPERATURE READINGS:

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CO2 READINGS:

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ALL RECORDED MOISTURE AND GAS MEASUREMENTS:

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LOCATION: Crawlspace & Exterior

OBSERVATIONS:

  • The crawlspace was not accessible for inspection.
  • Evidence indicates poor drainage and a leaky spigot are likely causing water to enter the crawlspace.
  • Downspouts are routed incorrectly. This leads to saturation of soil adjacent to foundation.

Recommendations:

  • Contact a plumber to repair the leaking spigot on the exterior of the building.
  • Contact a drainage company to asses and recommend a plan to address the drainage issues on the exterior of the building.

LOCATION: Men’s and Women’s Bathrooms

OBSERVATIONS:

  • Client reports unpleasant odors when using the sinks in the bathrooms.
  • Due to the leaking spigot outside the building, water is flowing under the building into the very tight crawlspace. This is resulting in odors in the bathrooms.

FLOORING:

  • Elevated moisture detected in flooring adjacent to toilet in women’s bath. Often this is due to a slight failure of the toilet seal. No evidence of significant structural damage was observed.
    Recommendations:
  • See ventilation section above for recommendations to eliminate condensation. Increasing ventilation will help dissipate accumulated odors.
  • Contact a plumbing contractor to investigate the toilet seal. Replace if necessary.
  • See recommendations above to address the drainage and crawlspace issues.

LOCATION: Lobby & Closet

OBSERVATIONS:

  • Heavy mold growth observed on the closet floor and the bottom 3’ of the walls.
  • Elevated moisture detected in the flooring and walls in closet.
  • The lobby is on a concrete slab. The closet has a wood subfloor, with 6” or less of space to the earth below.
  • Standing water has accumulated in the small crawlspace directly below this area.
  • Downspouts are routed incorrectly. This leads to saturation of soil adjacent to foundation. The downspout outside the closet is not directed to the street, and rain water is soaking under the building. This is affecting all materials in the closet.

Recommendations:

  • Professional mold remediation is necessary to properly address the existing mold growth and to prevent cross contamination. During remediation, HEPA filtration, negative air pressurization and proper personal protective equipment must be utilized. Please see included pricing.
  • It may be necessary to extract water under the closet subfloor.

LOCATION: Treatment Area

OBSERVATIONS:

  • This part of the building is installed over a concrete slab.
  • The concrete slab has been sealed, but the sealant is failing near the exterior walls. This is allowing vapor to pass through the concrete and causing efflorescence in this area. This is not mold.
  • Evidence of vapor emissions. Vapor emissions in carpeted rooms often lead to highly elevated levels of mold spores. Vapor emissions can be extremely difficult to eliminate. Lower-cost alternatives include leaving the concrete slab exposed, or installing a more durable material such as tile. These solutions allow the vapor to quickly move into the airspace, which can then be eliminated through ventilation.
  • Evidence of efflorescence on concrete floor. Efflorescence is not a health hazard; it is caused by salts and minerals migrating through the concrete. This occurs when moisture migrates through a masonry material and deposits minerals on the surface. These deposits are harmless, but they do indicate a minor moisture intrusion. Additionally, the moisture drive that creates the efflorescence can cause paint delamination. Given the age of the building, lead based paint testing is recommended.

Recommendations:

  • Scrub away and vacuum up all efflorescence.
  • Consider re-sealing the concrete around the exterior walls with an appropriate concrete sealing product.

LOCATION: Massage Room 2 / Employees Only Closet

OBSERVATIONS:

  • A strong odor associated with decaying animal was noted in this room.
  • Access to the attic is located in the employees only closet in this room, as well as an open chase to the attic. The odor is very strong in this closet.

Recommendations:

  • See recommendations below to address the attic problems.
  • Keep the attic hatch closed at all times.
  • Consider installing a fan in the attic and direct it out the gable vent. This will negatively pressurize the attic and lessen odors in the workspace.

LOCATION: Attic

OBSERVATIONS:

  • Attic high and low ventilation is adequate for the space.
  • Lots of wires are present in the attic. This may be a fire hazard.
  • Enclosed rat traps present in the attic likely have dead rodents in them. This is the source of the odor affecting the room below.

Recommendations:

  • Hire an exterminator to address the rodent population in the attic and remove the rodent corpses from the attic space.
  • Keep the attic hatch tightly closed at all times.