Army Corps of Engineers Test Pure Maintenance Orange County CA

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Army Corps of Engineers Report Highlights

The U.S. Army Engineer Research and Development Center (ERDC) solves the nation’s toughest engineering and environmental challenges. Find out more at

  1. Goals of Test (page 2)

    1. Demonstrate the fogging process via the 2nd generation application system in two buildings at Fort Campbell, KY.
    2. Determine the efficacy and performance (via sampling and analysis) of the fogging process.
    3. Verify initial remediation impact(s) and non-reoccurrence of mold/mildew over a test period of 6 months (via sampling and analysis).
  2. Types of Molds Tested (page 9)

    These mold types, which are associated with more serious health problems, are often the best indicator of indoor mold issues. The following are typical marker molds:

    • Stachybotrys, known as “black mold,” is considered the most dangerous mold type and is typically found in low numbers, if at all inoutdoor samples. This mold has been linked with infant death.
    • Chaetomium, a marker mold that is not commonly found at significant levels indoors and is associated with health problems including fibromyalgia, MS, Lyme disease, and others.
  3. Ability to Treat Areas Liquids Can’t Get (page 14)

    The fog’s small particle size (much smaller than the mold spores) provides a mechanism to treat areas inaccessible to liquid treatments, and ensures that the fog can physically infiltrate all spaces and porous materials available to mold spores.

  4. Summary of Treatment (page 20)

    Indoor mold count dropped from 64,126 spores/m3 before treatment to 3,067 spores/m3 at 6 months after treatment. (building 6733 dropped from 556,057 spores/m3 before treatment to 3,044 spores/m3 at 6 months after treatment.

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