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Removal / Remediation

Remediation ( Decontamination, Abatement ) is the process of physically removing and/or treating mold contaminated building material under a secure negative pressure environment.

The importance of remediation is preventing mold and mold spores from spreading to other areas during removal.

Remediation consists of:

•  Drafting Remediation Protocol

•  Erect containment area

•  Generate Negative Pressure

•  Removal of contaminated material

•  Treatment/Scouring

•  HEPA vacuuming

•  Clearance Testing

Remediation Protocol/Proposal instructs technicians on containment placement, location(s) of mold contamination, and procedures necessary to remove the existing problem.

Safety Precautions are essential to prevent exposure of harmful particulates and chemical treatments. Only individuals outfitted with Personal Protection Equipment are permitted in the containment area during remediation.

Containment Area

A secure plastic sheeting barrier installed around the remediation area. The barrier prevents mold spores from escaping the contained area and spreading mold spores to other uninfected areas of the residence.

Negative Pressure

Air Scrubbers serve two purposes-

1. Generate a zone of negative pressure
2. Filter out small particulates, such as dust, spores down to .3 microns (250 times smaller than the diameter of a human hair).

Since particulates move from areas of high to low pressure, an contained area of negative pressure will prevent the release on contaminants to the surrounding uninfected areas.

Removal of contaminated material

Once negative pressure is established, unsalvageable material/items are removed, bagged, and sealed.

Intact lumber, concrete, and vinyl is treated with a fungicide and scoured to remove contamination

Treatment / Scouring

Treatment with a multi-purpose fungicide will kill actively growing mold and mold spores.

Treatment alone generally is not sufficient to prevent regrowth. Physically scouring mold contamination will dislodge the mold bodies and allow removal by air scrubbers/vacuuming.

HEPA vacuuming

High Efficiency Particulate Arresting (HEPA) vacuuming retains smaller particulates, such as spores (.3 microns, 250 times smaller than the diameter of a human hair). Whereas conventional, bag vacuums exhaust spores back into the air.

HEPA vacuuming the remediation site, physically contains residual mold spores.

Clearance Testing

Following remediation and disassembly of the containment area, Air Samples are collected at numerous locations to assess current mold concentrations.

Clearance Testing demonstrates that the mold problem is removed, when compared to previous sampling, and the contamination has not spread to other areas of the residence.

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