reducing voc's in new homes john lapotaireciec iaq solutions #iaqs #iaq...
DESCRIPTION
There is nothing stopping Home Builders from building a Healthy Home. Building a Healthy Home starts with careful selection of the products used to build the home. Low VOC products are a must when building a Healthy Home. There is nothing stopping Home Builders from building a Healthy Home. Building a Healthy Home starts with careful selection of the products used to build the home. Low VOC products are a must when building a Healthy Home. The old adage “an ounce of prevention is worth a pound of cure” applies when building a Healthy Home. So remember to look for Low VOC or VOC Free choices when purchasing building products.TRANSCRIPT
![Page 1: Reducing VOC's in New Homes John Lapotaireciec IAQ Solutions #IAQS #IAQ 4-4-2011-110407110535-phpapp02](https://reader034.vdocuments.us/reader034/viewer/2022052620/557791a6d8b42acf398b52c7/html5/thumbnails/1.jpg)
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Building A Healthy Home
John P. Lapotaire, CIEC [email protected]
Lydia A. Lapotaire, CIEC [email protected]
Understanding & Reducing VOC’s in New Homes
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2
1 Introduction
2 Building a Healthy Home
4
3 Volatile Organic Compounds VOCs
Where do VOCs come from?
5 What levels of VOCs are safe?
5 What can I do about VOCs?
VOC Pictures
3 Questions & Discussion
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“Healthier Air Starts Here”
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Building a Healthy Home
• Today's Home Builders Build Green
• Today's Home Builders Sell Green
• A Healthy Home is
Tomorrow’s Green Home!
• So…… Now It’s Time to Build and Sell
Healthy Homes!
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Building a Healthy Home
• There is nothing stopping Home Builders
from building a Healthy Home
• Building a Healthy Home starts with carful
selection of the products used to build the
home.
• Low VOC products are a must when
building a Healthy Home.
![Page 6: Reducing VOC's in New Homes John Lapotaireciec IAQ Solutions #IAQS #IAQ 4-4-2011-110407110535-phpapp02](https://reader034.vdocuments.us/reader034/viewer/2022052620/557791a6d8b42acf398b52c7/html5/thumbnails/6.jpg)
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Building a Healthy Home
• The old adage “an ounce of prevention is
worth a pound of cure” applies when
building a Healthy Home.
• So remember to look for Low VOC or VOC
Free choices when purchasing building
products.
• Currently there are no standard labeling
system for VOCs, but many manufacturers
offer a Low or No VOC option.
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Building a Healthy Home
• Formaldehyde, one of the best known
VOCs, is surprisingly common in new home
construction.
• Luckily, it happens to be one of the few
indoor air pollutants that can be readily
measured.
• Air monitoring is one approach that can
help prevent adverse effects of exposure to
volatile organic compounds.
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Building a Healthy Home
• Many products merely claim to be “Low
VOC.”
• Everyone specifying and purchasing
products must actually find the products’
VOC content in grams per liter (g/L), which
is usually found on the product’s technical
data sheet or material safety data sheet.
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Building a Healthy Home
• Compare the listed VOC number with VOC
limits listed for different uses determined by
– South Coast Air Quality Management
District (SCAQMD)
– Rule #1113 and Green Seal GS-11 and GS-
03.
• SCAQMD is the air pollution control agency
for all of Orange County and the urban
portions of Los Angeles, Riverside and San
Bernardino counties, the smoggiest region
of the U.S.
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Building a Healthy Home
• When you shop around, you’ll see labels
indicating “Low-VOC” and “zero-VOC”
paints, meaning they contain a reduced
number of grams of VOC per liter
– (under 150 grams for low-VOC and
– under 5 for zero-VOC).
• The majority of common paint brands now
provide these kinds of alternatives
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Building a Healthy Home
• Water-based wood finishes, such as
waterborne urethane or acrylic, also have
decreased toxic compounds, but still provide
comparable durability to their standard
counterparts.
• You can also find paint with recycled content
which keeps remainders out of the waste
stream, cuts down on new production, and
generally costs less.
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Building a Healthy Home
• Many conventional interior grade composite
materials, like carbon fiber and engineered
wood, contain urea-formaldehyde binder,
which has been classified as a Toxic Air
Contaminant by the California Air Resources
Board due to its potential to cause cancer.
• It’s now fairly common to hear about
formaldehyde-free fiberboards, and those
are the ones you want to look for.
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Volatile Organic Compounds
VOCs
• Volatile Organic Compounds (VOCs) are a
large group of carbon-based chemicals that
easily evaporate at room temperature.
• While most people can smell high levels of
some VOCs, other VOCs have no odor.
• Odor does not indicate the level of risk from
inhalation of this group of chemicals.
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Volatile Organic Compounds
VOCs
• Acetone
• Benzene
• Ethylene glycol
• Formaldehyde
• Methylene chloride
• Perchloroethylene
• Toluene
• Xylene
• 1,3-butadiene
There are thousands of different VOCs
produced and used in our daily lives. Some
common examples include:
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Where do VOCs come from?
• Building Materials
– Carpets and
adhesives
– Composite wood
products
– Paints
– Sealing caulks
– Solvents
– Upholstery fabrics
– Varnishes
– Vinyl Floors
– Structural
components
Many products we have in our homes
release or “off-gas” VOCs. Some examples
of sources of VOCs are:
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Where do VOCs come from?
• Far too often the reason a product produces
excessive amounts of VOC’s is Miss-
Application of the product.
• All Building Products MUST be installed and
applied according to the manufacturers
specifications.
• Failure to follow the spec’s can lead to
increased levels of product emitted VOC’s
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Where do VOCs come from?
• Home and Personal Care Products
– Air fresheners
– Air cleaners that produce ozone
– Cleaning and disinfecting chemicals
– Cosmetics
– Fuel oil, gasoline
– Moth balls
– Vehicle exhaust running a car in an attached
garage
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Where do VOCs come from?
• Behaviors
– Cooking
– Dry-cleaning
– Hobbies
– Newspapers
– Non-electric space heaters
– Photocopiers
– Smoking
– Stored paints and chemicals
– Wood burning stoves
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Where do VOCs come from?
• Studies have shown that the level of VOCs
indoors is generally two to five times higher
than the level of VOC’s outdoors.
• VOC concentrations in indoor air depend on
many factors, including the:
– Amount of VOCs in a product;
– Rate at which the VOCs are released;
– Volume of the air in the room/building;
– Ventilation rate or the area; and
– Outdoor concentrations of VOCs.
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What levels of VOCs is safe?
• No standards have been set for VOCs in
non industrial settings.
• OSHA regulates formaldehyde, a specific
VOC, as a carcinogen.
• OSHA has adopted a Permissible Exposure
Level (PEL) of .75 ppm, and an action level
of 0.5 ppm.
• HUD has established a level of .4 ppm for
mobile homes. It is advisable to mitigate
formaldehyde that is present at levels higher
than 0.1 ppm.
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What levels of VOCs are safe?
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What levels of VOCs are safe?
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What levels of VOCs are safe?
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What levels of VOCs are safe?
• The best health protection measure is to
limit your exposure to products and
materials that contain VOCs when possible.
• If you think you may be having health
problems caused by VOCs, try reducing
levels in your home.
• If symptoms persist, consult with your doctor
to rule out other serious health conditions
that may have similar symptoms.
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What levels of VOCs are safe?
• There are established Health Risk Values
(HRVs) for some individual VOCs.
• HRVs are “concentrations of chemicals or
defined mixtures of chemicals emitted to air
that are unlikely to pose a significant risk of
harmful effects when humans are exposed
to those concentrations over a specified
time.”
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Are some people at greater risk
from VOC exposure than others?
• Persons with respiratory problems such as
asthma, young children, elderly, and
• persons with heightened sensitivity to
chemicals may be more susceptible to
irritation and illness from VOCs.
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Low-VOC Products
• Cleaner indoor air quality as well as reduced
chemical emissions can be realized by
simply using Low or No VOC building
materials.
• Elevated levels of VOC’s in new homes
have been linked to
– eye and respiratory irritation,
– headaches,
– fatigue and
– other symptoms associated with “sick
building” syndrome.
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Low-VOC Products
• Many commonly used building products,
such as
– Paints
– Varnishes
– Adhesives
– Carpets
– Cabinets
– Structural Components
Some of these products can emit a variety of
harmful chemicals into the air for months
after they have been applied.
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Low-VOC Products
• Paints
• Paint thinner
• Solvents
• Wood preservatives
• Finishes
• Aerosol sprays
• Cleaners and
disinfectants
• Air fresheners
• Stored fuels
• Dry-cleaned clothing
• Carpets
• Caulks and sealants
• Adhesives
• Office furniture
Products that emit VOCs include, but are
not limited to, the following:
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What can I do about VOCs that
are in the homes I build?
• Although home screening kits (devices) are
available to measure total volatile organic
compounds (TVOC) levels they are of
limited use and won’t correct a VOC
problem.
• Instead of testing, the first step is to conduct
an inspection of your home for the common
sources of VOCs.
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What can I do about VOCs homes
I build?
• Sources that may be problematic include
almost everything you use to build your
homes which tend to off-gas more VOC’s
when they are new.
• The primary sources include carpet, paint,
plastics structural components or
manufactured wood products.
• And don’t forget the cleaning products used
when your home is complete.
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What can I do about VOCs that
are in the homes I build?
• Once you determine the probable source(s)
of VOCs, steps can be taken to reduce the
levels.
• If you are unable to determine probable
sources, a professional indoor air quality
investigator can be consulted.
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What can I do about VOCs that
are in the homes I build?
• Source control: Remove or reduce the
number of products in the homes you build
that give off VOCs.
• Only purchase Low or No VOC Products
and carefully follow the manufacturers
spec’s on product labels.
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• Remove unused building products from the
home immediately after use.
• stored chemicals in closed containers can
sometimes “leak” and release VOCs into
indoor air.
What can I do about VOCs that
are in the homes I build?
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What can I do about VOCs that
are in the homes I build?
• Ventilation and climate control can be used
to reduce exposure to VOCs.
• Keep both the temperature and relative
humidity as low as possible or comfortable.
Chemicals will off-gas more under warmer
conditions with high humidity
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What can I do about VOCs that
are in the homes I build?
• In summary, the most effective way to limit
VOCs indoors is to limit the potential
sources of VOCs.
• Increasing the amount of outdoor “fresh air”
into a space can also dilute and reduce
VOC levels.
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Why Should You Use Low VOC
Building Materials?
• Reduced chemical emissions from VOCs.
• Improved indoor air quality.
• Improved occupant health.
• Reduced nuisance odor complaints
– eye and respiratory irritation, headaches,
fatigue and other symptoms of “sick
building” syndrome.
• Value-added appeal to Health Conscious
Home Buyers!
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VOC’S PRODUCED FROM
BUILDING PRODUCTS
Photos of Building Products Emitting VOC’s
What is the Catalyst Causing the Building
Products to Emit the VOC’s
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A
C
D
B
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A
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B
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VOC HOUSEHOLD
PRODUCTS
Photos of Personal Belongings Emitting VOC’s
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Sometimes it’s the litter box
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Sometimes it’s the CAT
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