Sewage Cleanup >> Flood Damage

The remediation processes of decontamination and your building’s disinfection will be important to ensure the elimination of harmful pathogens and mold organisms that were contained in the sewage backup or that grew during the period of the Flood Damage contamination. Even your building’s concrete can be broken down by microorganisms if it is allowed to remain damp and contaminated by mold. Chemicals that are categorized as sanitizers and disinfectants are appropriate in this cleanup application.

  1.  A disinfectant could be defined as an agent that lessens significant numbers of harmful pathogens on inanimate surfaces to a level below that expected to cause human disease. Disinfectants might not kill mold spores, however, and, because some mold bacteria and fungal spores will always be there in your building’s environment, it could not be feasible to attempt to remove all of the spores in an affected Flood Damage area. But the emphasis should be placed on the removal of the possible substrates, water, and the organic matter needed for the growth of mold spores.
  2.  Your choice of disinfectants will depend on the overall degree of microbial removal required, the nature of your Flood Damage building’s surfaces to be treated, the application safety, and the final cost and the ease of use of available disinfecting agents. It is also recommended that these disinfectants must be used in accordance with the product manufacturer's instructions for safe use and dilution. The classes of these disinfectants and their common-use dilutions mainly include alcohols (60 to 90% in water), quaternary ammonium compounds (0.4 to 1.6%), phenolics (0.5 to 5%), iodophors (75 ppm), glutaraldehydes (2%), common household bleach used in Flood Damage (sodium hypochlorite, diluted 10%), and regular hydrogen peroxide (3 to 6%).
  3.  The obvious advantages and disadvantages of each of these disinfectants are for example, the use of iodophores or low-concentration chlorine compounds will require that a little organic matter must be present on the surfaces, an overall condition that might be difficult to accomplish. Extreme caution should always be used in mixing some industrial disinfectants. For example, mixing any chlorine containing solutions with ammonia or amine solutions will produce dangerous toxic vapors, and may have lethal effects on any restoration workers or your building’s occupants. With the utmost importance is the "contact time”, this is the length of time that the disinfectant is allowed to work on the Flood Damage contaminated surface.
  4. The overall contact time must be at least 15 min before any additional cleaning and the removal of the disinfectant is to be done. Some highly effective disinfectants, such as the phenolics and glutaraldehydes, leave a strong residue that continues to suppress microbial mold growth for a considerable amount of time after the treatment. The following guidelines are presented with a goal of restoring the Flood Damage contaminated area such that the overall health of the building’s occupants is protected from any health risk of pathogen-caused disease. Flood damage remediation should begin as soon as possible. The longer the contamination is allowed to go on, the greater the likelihood for microbial mold growth and water damage.

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