Mansel Nelson, ITEP...Consumer Products (Buyer Beware) BPA in cans and plastic containers Phthalates...
Transcript of Mansel Nelson, ITEP...Consumer Products (Buyer Beware) BPA in cans and plastic containers Phthalates...
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Mansel A NelsonInstitute for Tribal Environmental Professionals
Basics of a Healthy HomeIndoor Air Quality in Tribal Communities
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Presentation�How Lungs Work�Basic Strategies – Healthy Home
�Source Reduction�Ventilation�Air Cleaning
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Mansel Nelson, ITEP
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Lungs
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Lung Function Model
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Cardiovascular Connection� Gases and small particles
distributed widely after entering bloodstream
� If lungs are not functioning properly, heart must work harder
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Protect the Lungs of Young Children� Lungs of young children
are very sensitive� Air pollution can damage
lungs for a lifetime� Exposure to air pollutants
can cause asthma, which can last a lifetime
� Lung infections can damage lungs for a lifetime
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Indoors: Why be concerned?� We spend most of our time indoors� Vulnerable populations spend even more time
indoors� Air pollutants are often more concentrated indoors
than outdoors� Many “New” pollutants are associated with
modern living
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Pollutants And HealthWhat determines the health impacts of exposure?� Toxicity of the pollutant� Dosage (exposure)� Individual sensitivity (Genetics; Life cycle; Specific
conditions)
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Healthy Home
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Basic Principles1. Source Control2. Ventilation3. Air Cleaning
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Source Control�Improving quality of indoor air is
vital for human health�Preferred strategy�Increasing ventilation – higher
energy costs
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Environmental Tobacco Smoke (ETS)No risk-free level of exposure to secondhand smoke.Eliminate from indoor environment
Following actions DO NOT protect nonsmokers
� Separating smokers from nonsmokers
� Cleaning the air� Ventilating buildings
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Consider alternative heating sourcesBest practices
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Household Hazardous Chemicals� Average US household uses 40 lbs of
chemicals each year� Average household stores more than 60
hazardous products
� Many of the products are loaded with fragrances and petroleum-distilled chemicals (Volatile Organic Compounds / VOCs)
Consider“GreenCleaning”
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Green CleaningMicrofiber
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Consumer Products (Buyer Beware)� BPA in cans and plastic containers � Phthalates used in many plastics, children’s toys,
building materials, shower curtains, glues, floor coverings
� Perfluorinated compounds are used to make materials resistant to stain, oil, and water
� Flame retardants are found in electronics, furniture, and other foam containing products
� Mercury is found in fluorescent light bulbs, switches, thermostats, old paint (pre-1991), and batteries (pre-1995)
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DO NOT “clean” the airThey add more air pollutants
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Reading Labels
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Personal Care Products � Many soaps, fragrances, shampoos,
lotions, and cosmetics contain toxic chemicals like parabens, phthalates, and triclosan – chemicals linked to endocrine disruptors
� Many products are loaded with fragrances and petroleum-distilled chemicals (Volatile Organic Compounds / VOCs)
� Phthalates are found in makeup and beauty supplies
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Read and follow label instructionsConsider Integrated Pest Management
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Carbon Monoxide (CO)� All burning emits CO� Alarms are backup
Appliance maintenance also important
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Radon� Radioactive gas� Lung Cancer
www.radonleaders.org
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Outside Sources
Reduce idling of busesLocation of dumpstersWatch for fresh air intakes
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Walk-Off Mats
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Keep the dirt out!
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Carpets
Carpets trap and release pollutants
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MoldMoistureControl!
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Floor Drains
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Occupant Sources� Physiological “equilibrium”� Sweat/Perspiration� Perfume, cologne
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Basic Principles1. Source Control
2. Ventilation3. Air Cleaning
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Ventilation�Higher energy costs�Tension between weatherization and
indoor air quality�For tight homes consider
�Energy Recovery Ventilators (ERV)�Heat Recovery Ventilators (HRV)
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Source Ventilation50 CFM
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Cooking releases moisture
Make sure range hood vents to outside
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100 CFM
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Ventilation – Outside AirASHRAE provides guidelines
Ventilation recommendations depend on
� activities � number residents� size of home
See ITEP Dropbox for more information on ventilation
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Ventilation
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Natural leakage (Measured with Blower Door)
Mechanical�Exhaust fans� Supply (HRV / ERV)
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Basic Principles1. Source Control2. Ventilation
3. Air CleaningAir cleaning is only recommended after proper source control and ventilation steps are taken.
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Air Cleaners�Generally not effective for gaseous
pollutants�Efficiency for collecting pollutants (HEPA =
99.97% of 0.3 micron particles)�Moving air through cleaning element�On going maintenance�Combine with source removal and
ventilation
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Air Cleaners� Buyer beware!� No Ozone Air Cleaners
� True HEPA Filter� Activated Charcoal
� Size for the space and air flows
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Air Cleaning – Don’tsThese methods may make air quality WORSE� DO NOT USE Ozone (sold under many different guises)
� Ozone is an air pollutant� Chemical reactions may lead to even more dangerous air
pollutants
� Air fresheners typically attempt to cover up odors and add more air pollutants
� Electronic or electrostatic cleaners that may add ozone
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Summary – Maintaining Healthy IAQ�Health of building occupants�No silver bullets – If it is too good to be
true…�Source Control is preferred strategy
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Healthy Homes APP� Healthy Homes – Youth app from the iTunes
� https://itunes.apple.com/us/app/healthy-homes-youth/id1434450117?mt=8
� Healthy homes – Basics
� https://itunes.apple.com/us/app/healthy-homes-basics/id1092367352?mt=8
�
� After using the app(s), please proceed to the online survey
� https://www.surveymonkey.com/r/XYT9SPQ
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Institute for Tribal Environmental Professionals (ITEP)Mansel A. Nelson, Senior Program CoordinatorIndoor Air Quality in Tribal CommunitiesNorthern Arizona University (NAU)nau.edu/iaqtc/[email protected] 928 523 1275FAX 928 523 1280PO Box 5768, Flagstaff, AZ 86011
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