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  • Home/Office Disinfection

Case Study: Hoarding Cleaning

Updated: May 14, 2019

(Courtesy of got needles?, LLC)

The deceased rested in the bedroom of a home affected by heavy hoarding and filth.  The project began with the initial assessment of the contaminated environment.  The primary biological contaminated area consisted of a significant amount of blood and body fluid in the middle of the front bedroom where the 1st responders knocked down a brick wall to recover the body.  

After the initial assessment and development of the waste removal plan, all applicable PPE was applied and then the entire area was treated with the primary disinfectant Shockwave.  The disinfectant was applied countless times during this remediation process.  

During the dwell time needed for the disinfectant application, a review was performed in the collateral area to better define the biological contamination plume and for quality control.  The decomposition area on this project was in a front room. 

The scope included placing the personal salvageable items in a segregated, concentrated area in a portion of the home in order to remove contents/trash and manipulate contents in preparation for disposal.  These actions were to relieve the home from condemnation from the local health department.  After the mobilization of all resources needed to begin capturing the large volume filth and trash, technicians then gather what is needed to be disposed of while putting aside items that have questionable salvage value.  

As the project progresses, the technicians will continue to apply layers of hygiene restoration fog to continue to improve the affected environment.  Medical waste, such as needles, are placed in a sharps container, and then down inside the medical waste disposal box.  The house had no power and the occupant was receiving power from a neighbor through extension cords that stretched across the yard.    

Once the capture of the trash and Segregation of salvageable items was complete, the brick wall that was taken down in order to remove the body had a window built inside of it to restore security to the structure.  It is difficult to communicate in writing how poor the hygiene was in the home.  Feces were in plastic bags tossed into recess areas.

To combat odor and assist in restoring hygiene, the entire structure was treated with an atomizing fog of Get The Odor Out. The base ingredient of this product is Stabilized Chlorine Dioxide (2000 PPM, EPA listed light-duty bactericide).  This atomizing fog was reapplied throughout the project to combat dust and particulate, in addition to, restoring biological hygiene as a bactericide.  

The personal protective equipment used on this biohazard remediation project was PureShield high risk gloves, plastic face shields, various respirators, and KleenGuard Ultra Bloodborne pathogen rated suits.  The inputs on the project were 133 hours of technician labor, 20 gallons of disinfectant, 12 gallons of odor neutralizer, 4 gallons of biological fluid indicator, and 37 sets of personal protective equipment (PPE).  

Two types of waste were recovered from the project, biological and conventional.  A total of 12 boxes of medical waste was produced.   This waste was disposed in accordance with the Resource Conservation and Recovery Act with a 3rd party medical waste transporter.  

Upon transfer to this 3rd party, a manifest was supplied for documentation and submission to the local health department officials.  The conventional, non-biological, waste was transferred with 8 roll-off 40 cubic yard dumpsters to a local landfill.  Valuables were segregated from the waste and organized in clean areas.  

An example of OSHA Standard 1910.134 Respiratory Protection is shown in which the technician is employing a full-face respirator.  The technician has easy access personal protective equipment for re-application during filth recovery in accordance with OSHA Standard 1910.132 Personal Protective Equipment.  

Once the bulk waste and debris was removed, a HEPA filtered air scrubber was utilized to process 2000 cubic feet per minute to remove residual particulate matter and odor, as well as, to circulate our atomizing hygiene-restoration fog.  After the remediation, the city was able to lift the condemnation on the 


To combat odor and assist in restoring hygiene, the entire home was treated with an atomizing fog of Get The Odor Out in multiple applications. 

Projects of this size have safety issues inherent in the amount of labor required to recover tons of conventional waste with pockets of regulated medical waste not easily recognized.

In summary, the whole of the inside of the home was treated with layers of an atomizing fog consisting of hygiene restoration chemicals and disinfectants.  The obvious trash was collected in contractor bags with the medical waste from the decomposition segregated in biohazard boxes.  Once surfaces were exposed from the removal of trash and debris, additional fog treatments were used along side conventional cleaning agents to restore use to the home.