case study 401 ken fischer. problem zpotable water releases zhvac turned off zsignature flood...
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Case Study 401
Ken Fischer
PROBLEM
Potable water releasesHVAC turned offSignature flood microorganisms:
Acinetobacter, Penicillium, Aspergillus
Impact on opening of hospital
PRIOR TECHNIQUE
Remediation plan and containments similar to asbestos removal
Adenosine Triphosphate bioluminescence testing device
Surficial technique onlyConcentrations of Sodium
HypochloriteParticulate
HEPA vacuuming ceiling grid.
Fine cleaning above ceiling.
METHODS
Biocleaning: vapor phase chlorine, alcohol wipes, tack cloths
TechniquesSurface modification
RESULTS
86% (248/288) environmental surface samples < 1 CFU
99% (284/288) surface samples < 25 CFU93% (27/29) air samples < 50 CFU/m3Demonstrated methodology can
significantly reduce exposure to infective, allergenic, toxic microorganisms
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