Mold A fungus that eats organic matter (wood, cardboard, drywall) Reproduces by releasing spores into air. Loves moist, humid conditions. Mold Spores
Mold and Health Triggers immune systems responses: allergies. Mold spores may germinate in lungs causing lung lesions. Vomiting
Asbestos Natural mineral doesn’t burn, conduct heat or electricity Used in electrical insulation, roofing and car brakes Asbestos Hazard and Emergency Control Act of 1986: required all use of asbestos to be phased out by 1997
Asbestos and Health Can separate in long thin fibers enters lungsCan separate in long thin fibers enters lungs – cancer, concentrations – cancer, mesothelioma if inhaled in high concentrations –Asbestosis: acid tries to eat away fiber; causes scarring of lungs.
Formaldehyde: H 2 CO Caused from incomplete combustion of C containing materials. Used as a preservative, in film processing, making glues for plywood and carpeting (construction materials). Products decay indoors, formaldehyde is released.
Formaldehyde and Health Common in houses Watery eyes, irritates mucous membranes, headaches, diff. breathing. CAN BE A CARCINOGEN!
Sick Building Syndrome Caused by too many indoor air pollutants Dizziness, headaches, rash, fever, fatigue New buildings get it more conserving energy and newer construction materials. Causes absenteeism and loss of productivity.
OSHA Occupational Safety and Health Act of 1970 Created agency which ensures employers provide employees with an env. free from hazards, such as exposure to toxic chemicals, excessive noise levels, mechanical dangers, heat or cold stress, or unsanitary conditions.
Children and Air Pollution EffectsEffects are compounded among children lungs are still developing Have higher metabolic rates which require more O 2 To get more O 2, kids breathe larger volumes of air