Water Damage >> Mold Removal From The House

What conditions may pose a problem & why What to do My name is:  Environmental Protection Program Specialist(Health & Safety Management),DAS Facilities Management , 860-713-5678 References used in this slide presentation: Dr. Harriet Burge EMLab P&K Chief Aerobiologist and Mold Removal From The House Director of Scientific Advisory Board 

EPA Institute of Inspection Cleaning and Restoration Certification(IICRC )S500 Standards for water damage restoration. Where are Mold Spores found? Mold spores are ubiquitous; They are found both indoors and Mold Removal From The House outdoors. Mold spores cannot be eliminated fromindoor environments. 

Some mold spores will be found floating through the air and insettled dust; Mold Removal From The House however, they will not grow if moisture is not present.In the absence of a source of active mold growth indoors, outdoor spore levels are: usually higher than indoor levels during Spring, Summer & Fall may be less than indoor levels In the winter especially after snow fall  

Exposure to Fungal Allergens Most exposure to fungal allergens probably occurs from inhalation of spores in outdoor air. All of the fungi found indoors are also part ofthe outdoor ecology, making separation ofindoor and Mold Removal From The House outdoor exposures difficult. 

Possible Health Effects of Mold Exposure Allergic reactions which can be immediate or Mold Removal From The House delayed such as headache, sneezing, runnynose, red eyes, and skin rash (dermatitis). Molds can cause asthma attacks in people with asthma who are allergic to mold Molds can irritate the eyes, skin, nose, throat, and lungs of individuals whether or not theyare allergic to mold. 

May cause hypersensitivity pneumonitis, Mold Removal From The House an uncommon disease that resembles bacterialpneumonia. May result in opportunistic infections in those with compromised immune systems.NOTE: Allergic responses are not unique to mold. People can have similarreactions to dust mite feces, pollen, animal dander and many otherparticulates in the environment. 

So it is difficult to say which reactions canbe blamed on mold. When might the indoor environment pose a mold exposure concern? When conditions indoors allow mold toamplify (grow) and Mold Removal From The House result in elevated concentrations of mold spores in the air Conditions that Can Promote Indoor Mold

Amplification (Prolonged) Relative humidity levels exceeding60-65% can harbor biological growthincluding molds and dust mites. Presence of indoor sources of standing water,water-damaged materials, or wet surfaces which serve as a breeding ground for molds, Mold Removal From The House mildews, bacteria, and insects.In order to grow, mold needs: Moisture Food Source (any organic material)

Water-Damaged Materials If certain materials stay wet longer thanabout 24-48 hours, microbial growth includingmold growth may occur.Some common indoor materials that tendto harbor mold growth when they staywet:ceiling tiles, wallpaper, Mold Removal From The House wood, soiled fibrous glassinsulation, paper,cardboard, cloth furniture,carpets, glues, books,painted surfaces

Some common indoor fungi Cladosporium grows in moist, porous areas,
including wood and fabrics Penicillium grows in duct insulation and carpets, Mold Removal From The House in addition to wallpaper and rotting fabrics inwater-damaged environments Aspergillus grows in dust and compost piles Alternaria grows in damp places such as showers,windows and carpets

QUIZ Question 1: The most important factor influencing mold growth is: A. Temperature B. Light C. Moisture or Water D. Organic Matter Question 2: Molds have the potential to cause health effects such as allergic reactions. True False Question 3: Water-damaged furnishings Mold Removal From The House and building components should be dried within 24-48 hours to prevent mold growth. True False 

Question 4: During the months of April through November, Mold Removal From The House you are probably exposed to greater levels of mold spores outdoors than indoors. True False Question 5: Mold cannot be eliminated from indoor environments. Some mold spores will be found floating through the air and in dust; however, mold will not grow if moisture is not present. True False

Recommended Water Damage Response Actions at DAS Leased Properties The following actions will help minimize costs and potential indoor air quality issues associated with water damaged building components and Mold Removal From The House materials. 1. Agency representative should contact the property manager or other landlord representative and DAS leasing agent ASAP. 

2. Until the property manager or other landlord representative arrives, Mold Removal From The House occupying agency should attempt to minimize potential damage from the water infiltration by moving state owned property from the area & controlling infiltration (ie placing container/s beneath the leak) if these actions can be done safely. Occupants should be moved from the immediate area as necessary. 

3. Response actions must include the Mold Removal From The House following: a. Controlling/stopping the leak ASAP. b. Assessment of any structural damage if situation warrants. c. Further evacuation of occupants as required. d. Protection of state owned property (equipment, files furniture etc). 

e. Determining if the leakage has affected possible asbestos containing materials (ACMs), and if so, Mold Removal From The House implementation of appropriate regulatory precautions. 4 . If situation warrants, the landlord should contact professional cleaning contractor immediately. Generally materials will need to be dried within 24 to 48 hours in order to be salvaged. 

Contractor should be familiar with Institute of Inspection Cleaning and Mold Removal From The House Restoration Certification (IICRC ) S500 Standards for water damage restoration. 5. The source of water should be categorized in order to determine what materials can be saved and how cleaning must be performed. 

a. Category 3/Black water –raw sewage, toilet black flow from beyond toilet trap, ground or Mold Removal From The House surface water (rivers streams), seawater,chemically contaminated water 

 b. Category 2 /Gray water – (i.e. dishwasher or washing machine overflow, overflow from toilets) water with some degree of chemical,biological or Mold Removal From The House physical contamination that would cause sickness if consumed by or exposed to humans. (gray water contaminated materials sources will become black water if not attended to rapidly.) 

c. Category 1/Clean Water-Water from potable water sources or other sources unlikely to pose substantial harm to humans (sink overflow w/o contaminants, potable pipe lines, snow melt, and rainwater) 6. In general, Mold Removal From The House these rules apply regarding water damaged materials: 

If category 2 or 3 water, replacement of all saturated porous material including wallboard, insulation, ceiling tiles, Mold Removal From The House carpet and underlying carpet cushion is typically the ONLY recourse.Removal ofthese materials should be done immediately to avoid potential IAQ/health issues. 

If sub flooring is wetted, it should be professionally disinfected and cleaned using at least two applications of appropriate biocide followed by thorough drying. Restoring carpet wetted from gray water (not the underlying cushion which must be discarded) is possible using proper application of biocide and Mold Removal From The House dwell time followed by hot water extraction cleaning. 

If clean water: Pull back base cove on wallboard abutting wetted flooring areas. Drill holes along bottom of wallboard, Mold Removal From The House direct fans to assist in drying behind wallboard. Use sufficient fans and dehumidifiers to dry within 24 to 48 hours. 

Clean carpet using hot water extraction method-dry within 24 48 hours. 7. If category 2 or 3 water, Mold Removal From The House implement appropriate health and safety precautions. Do not handle materials or objects until they have been disinfected.

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