mold
DESCRIPTION
TRANSCRIPT
CausesConcernsCures
CausesConcernsCures
EDUCATIONAL TRAINING SERIES NO. 13
Mold’s Scientific Classification Mold’s Scientific Classification
Mushrooms Mushrooms MildewMildew MOLDMOLD
YeastsYeasts
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Cures
WHAT Is Mold? WHAT Is Mold?
Microscopic organism
Spread by spores
Breaks down cellulose matter
Made to survive
Microscopic organism
Spread by spores
Breaks down cellulose matter
Made to survive
CausesCausesCausesCauses
Concerns
Cures
Mold TYPES Mold TYPES
ALLERGENICUsually not life threatening
PATHOGENICInfectious, found in hospitals
TOXICCan cause health effects in just about anyone
ALLERGENICUsually not life threatening
PATHOGENICInfectious, found in hospitals
TOXICCan cause health effects in just about anyone
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Concerns
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HOW Does Mold Grow? HOW Does Mold Grow?
MOISTURE• Relative humidity over 60%• Standing water (24 hours)
NUTRIENTS
TEMPERATURE68°–86° F (20°–30° C)
MOISTURE• Relative humidity over 60%• Standing water (24 hours)
NUTRIENTS
TEMPERATURE68°–86° F (20°–30° C)
CausesCausesCausesCauses
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MoistureMoisture
Where there’s MOISTURE
• Roofing leaks • Walls
• Flooding • Piping leaks
• Condensation • Appliances
• Overwatering • Plumbing plants fixtures
Where there’s MOISTURE
• Roofing leaks • Walls
• Flooding • Piping leaks
• Condensation • Appliances
• Overwatering • Plumbing plants fixtures
CausesCausesCausesCauses
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Cures
Nutrients = Organic Matter Nutrients = Organic Matter
Where there are NUTRIENTS• Paper • Ceiling
tiles• Wallpaper • Wood• Cardboard • Fabrics • Dust • Sheetrock• Carpets
Where there are NUTRIENTS• Paper • Ceiling
tiles• Wallpaper • Wood• Cardboard • Fabrics • Dust • Sheetrock• Carpets
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TYPES Found in Homes TYPES Found in Homes
Many species
Only one toxic common to the house environment:
Black Stachybotrys
Many species
Only one toxic common to the house environment:
Black Stachybotrys
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How FAST DoesMold Grow? How FAST DoesMold Grow?
Most spores germinate within 12-48 HOURS with right conditions
Colonies of mold will develop in 1-12 DAYS after activation
Most spores germinate within 12-48 HOURS with right conditions
Colonies of mold will develop in 1-12 DAYS after activation
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What to Look for What to Look for
VISUAL SIGNS• Velvety, granular, cottony,
leathery
• Varied colors (black gray, pink, white, brown, yellow, green, fluorescent)
• Areas of water leakage
• Heating and cooling systems
• Noticeable musty odors
VISUAL SIGNS• Velvety, granular, cottony,
leathery
• Varied colors (black gray, pink, white, brown, yellow, green, fluorescent)
• Areas of water leakage
• Heating and cooling systems
• Noticeable musty odors
CausesCausesCausesCauses
Concerns
Cures
WHO is at Risk?WHO is at Risk?
Young children Individuals with suppressed
immune systems Elderly Sick Individuals with respiratory
problems Asthma patients
Young children Individuals with suppressed
immune systems Elderly Sick Individuals with respiratory
problems Asthma patients
Causes
ConcernsConcernsConcernsConcerns
Cures
WHAT Can Be Done? WHAT Can Be Done?
Prevention
Awareness
Removal
Prevention
Awareness
Removal
Causes
Concerns
CuresCuresCuresCures
TESTING TESTING
Can be complicated
Can be expensive
Requires trained individual
US EPA — Health Canada• Testing procedures• Action levels
Can be complicated
Can be expensive
Requires trained individual
US EPA — Health Canada• Testing procedures• Action levels
Causes
Concerns
CuresCuresCuresCures
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