v°/EPA
"AN OUNCE OF
PREVENTION IS WORTH
A POUND OF CURE"
for Schools Program:
Benefits of Improving
Air Quality in the School Environment
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The IAQ Tools for Schools Kit
helps schools across the
nation improve their indoor
air quality. This one-stop
resource provides step-by-
step guidance to ensure a
healthy, comfortable
environment for students and
staff. To order this EPA
publication at no cost, call the
IAQ INFO Clearinghouse
at (800) 438-4318.
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'IAQ Tools for
Schools develops
awareness for
evaluating mold
problems in schools.
Early intervention is
the key to preventing
a problem like mold
growth from spiraling
out of control/'
—Dr. Bill Smith, Program
Director for Facilities,
Okaloosa County School
District, FL
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"The IAQ TfS Kit prompted
us to track our student
health problems, like
asthma and allergies, and
try to relate them to our
past IAQ improvements.
We've really noticed the
number of student absences
decreasing since the IAQ
improvements were
initiated."
—Art Benton, Facilities and
Maintenance Supervisor, Clear Creek
School District, CO
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INTRODUCTION
is increasingly an important issue in our nation's
J schools. Approximately 20 percent of the U.S. population—
^^^^ nearly 55 million people—spend their days inside elementary
and secondary schools. In 1999, indoor air quality (IAQ) was reported to be
unsatisfactory in about one in five public schools in the United States, while
ventilation was reported as unsatisfactory in about one-quarter of public schools,
according to the National Center for Education Statistics of the Department of
Education. The health of students and staff in these schools is a cause for great
concern, particularly the negative effects of poor IAQ on asthma and other
respiratory illnesses.
The U.S. Environmental Protection Agency (EPA) developed the Indoor Air Quality
Tools for Schools (IAQ TfS) Program to help schools prevent, identify, and resolve their
IAQ problems. Through simple, low-cost measures, schools can:
• Reduce lAQ-related health risks and triggers for asthma.
• Identify sources of mold.
• Improve comfort and performance levels.
• Avoid costly repairs.
• Avoid negative publicity and loss of parent and community trust.
• Avoid liability problems.
Economic data and scientific studies on the health impacts of poor IAQ provide
additional evidence of the benefits that may be associated with implementing the
IAQ TfS Program.
"Good indoor air quality contributes to a favorable learning
environment. The IAQ Tools for Schools Program is a common-
sense guide to help prevent and solve the majority of indoor air
problems affecting many of our nation's schools."
—Christie Whitman, Administrator, U.S. Environmental Protection Agency
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IAQ AND SCHOOLS
Poor IAQ can lead to a large variety of health problems and potentially affect
comfort, concentration, and student and staff performance. Sources of poor
IAQ in school facilities range from inadequate air ventilation systems to fumes from
pesticides and cleaning agents. The IAQ Tools for Schools Kit helps schools pinpoint the
sources of poor IAQ that often have simple and cost-effective remedies.
Successful Schools
Schools across the country have
observed many health-related
benefits from implementing the
IAQ TfS Kit:
• Improvements in comfort levels
and a decrease in lAQ-related
complaints (King-Murphy
Elementary School, Colorado).
• A reduction in IAQ complaints
from one per month to three per
year since 1997 (Shamona Creek
Elementary School, Pennsylvania).
l A dramatic decrease in absenteeism, fewer reported bronchitis cases reported by
school staff, an increase in comfort, and a 2 5-percent reduction in the number of
visits to the school nurse with complaints of stomachaches and headaches within
the first 5 months of implementing the Kit (Little Harbour School, New Hampshire).
l A decrease in the number of complaints from staff and students of headaches
and sinus infections, the number of trips to the school nurse for asthma and
asthma treatments, the use and storage of student inhalers at school, and
symptoms of chronic respiratory illnesses (Hamden Public Schools, Connecticut).
l A 50-percent reduction in visits to the office for the use of asthma inhalers
(G.W. Carver Elementary School, California).
l A reduction from 75 complaints related to health and faulty equipment in 1994
to fewer than 15 in 1999 (Okaloosa County School District, Florida).
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In addition to health benefits, schools have saved thousands of dollars with the help
of the IAQ TfS Program:
I Since implementing the program in 1998, the Hillsborough County Public
School District in Florida has spent only $400 on IAQ consultants, as compared
to an estimated $250,000 prior to 1997.
l The Janvier Elementary School in New Jersey spent nearly $100,000 to correct
mold and flooding problems before beginning the program, after which minimal
investment solved IAQ problems uncovered while implementing the IAQ TfS Kit.
l Nearly all IAQ complaints were resolved in-house at Monmouth Junction
Elementary School in New Jersey at a total cost of less than $1,000. The
improvements focused on preventive maintenance, integrated pest
management, and the use of environmentally preferable cleaners.
"We received some great press from implementing the Kit—the local
newspapers wrote several articles about our Healthy Schools Team/'
—Robin Chappell, District Health Official, Boston, MA
ACTION ITEMS
Be proactive in investigating IAQ problems in
your school.
Be alert to the symptoms of IAQ problems in
your school.
Use IAQ TfS checklists to assess your school's
indoor air quality.
• Fix IAQ problems as soon as they are
discovered to avoid future costly repairs.
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IAQ AND SCHOOLS
"IAQ Tools for Schools is the driving force of our preventive
maintenance program in the Piano School District/'
—Robert Sands, Executive Director of Facilities, Piano Independent School District, TX
Cost Savings and Maintenance
The IAQ TfS Program can help schools maintain their facilities and good IAQ to
avoid expensive repairs.
• In a demonstration project in the District of Columbia, an analysis showed that if
an elementary school had spent $364 per year on preventive maintenance, $1.6
million in repairs could have been avoided.
• The General Accounting Office reports that one-third of schools (housing about
14 million students) have one or more buildings in need of extensive repair or
replacement.
• The average public school is 42 years old, and school buildings begin rapid
deterioration after 40 years if not properly maintained.7
Studies on the Effects of Poor IAQ
Studies have shown that poor IAQ can have a negative impact
on the health of students and faculty members. By
implementing the IAQ TfS Program, schools can minimize
problems associated with poor IAQ.
FT!
l Higher levels of nitrogen dioxide (a byproduct of combustion sources**) in
schools have been associated with increased student absences, even at levels
within existing health standards.3 Similarly, increased absences were also found
to be associated with higher levels of outdoor pollution. 4- 5' 6
'' Combustion sources can include kerosene heaters and unvented gas stoves and heaters.
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Mo/cf on joist, photo by Daniel Fn
"We keep a log of student visits to our health room and, even
during allergy season, student visits declined dramatically.
We attribute this to the IAQ TfS Kit"
—Leigh Abbott, Principal, Shamona Creek Elementary School, PA
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IAQ AND SCHOOLS
• Respiratory effects have been
associated with chemical pollutants
that can be found in schools, such as
formaldehyde7 and chemicals in
cleaning compounds.8' 9
Studies on Performance
Studies have shown that schools can
help maintain or even improve the
comfort and performance levels of
students and faculty members by
enhancing IAQ.
• For students, lower concentrations of
carbon dioxide (higher ventilation rates)
were associated with higher scores on
computerized tests for reaction time.10
• There is a significant relationship
between facility condition and
student achievement, based on test
scores in 139 public schools in
Milwaukee, Wisconsin, in math,
science, language, and social studies.11
m A statistically significant reduction in
perceived mental performance among
students was associated with increased
indoor pollutant concentrations and
lower ventilation rates.12
m Office workers perceived a reduction
in their performance with two or
more symptoms of discomfort.
Average performance reduction:
3 percent with three symptoms,
8 percent with five symptoms.73
• Controlling pollutant concentrations
by removing pollutant sources or
by increasing ventilation improved
the measured performance of
office workers.14
Studies on Temperature and Humidity
Studies suggest that fluctuations in
temperature and humidity can have an
impact on comfort and concentration
levels of students and staff.
• Indoor air is perceived to be better
when temperature and/or humidity
are toward the low end of the
comfort zone.15' 16' 17
• While evidence is mixed, it tends
to suggest an association between
improved performance and lower
temperatures within the comfort
Zone.i8, 19,20
"The most noticeable improvements [as a result of implementing the
IAQ TfS Kit] came from our portable classrooms. The CO2 levels
dropped considerably, and the school nurse noticed fewer complaints
from students that were housed in those outside classrooms."
—Mike Riddle, Facilities and Grounds Manager, Sedro-Woolley School District, WA
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"The Kit's information helped to identify and
explain potential IAQ problems while also
providing legitimacy to the complaints submitted
to the Board of Health"
—Todd Dresser, Environmental Engineer, Burlington Board of Health, MA
1
Mold behind wallboard and water damage to subflooring in a New York City building,
photo by Daniel I
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MOLD AND SCHOOLS
Hold Remediition
in Schools and
Commercial
Buildup
While the IAQ TfS Kit
helps schools learn how
to prevent mold growth, EPA's
"Mold Remediation in Schools
and Commercial Buildings"
document provides detailed
information on how to
investigate, evaluate, and
remediate moisture and mold
problems. To order
this EPA publication at no
cost, call the IAQ INFO
Clearinghouse at
(800) 438-4318.
c
^ chools have become increasingly
^^f concerned about indoor exposure to
mold, which can lead to a variety of health
effects, including allergic reactions. Not
isolated to "humid" states, mold problems have
caused school closings across the nation from
Arizona to Maine, California to Florida. The
IAQ Tools for Schools Program can help schools
identify potential sources of mold before they
become severe.
Schools with Mold
• El Paso Independent School District in Texas
used the IAQ TfS Program to identify and
eliminate a significant mold problem, including
mold in the heating, ventilation, and air
conditioning ducts.
• St. Cloud Area School District in Minnesota
found mold infestations in some schools
during the walkthroughs, which are a key
aspect of the IAQ TfS Program. The schools are
cleaner and healthier after implementing the
Kit and repairing water-damaged areas.
"If we'd had IAQ Tools for Schools
in place for the past ten years, none of
[our severe problems with carbon dioxide
and mold] would have happened."
—Diane Ethier, Co-Chair of the IAQ Tools for Schoo/s Team,
Plainfield High School, CT
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Minimizing Cost of Mold Remediation
Schools can avoid significant, costly repairs by implementing the IAQ TfS Program
to help prevent mold problems or address them before they become severe.
• School districts have spent from $200,000 to $13.1 million to remediate a school
with a severe mold problem, so it is important to identify the problem in its early
stages when damage is limited.
^ An elementary school in El Paso Independent School District, Texas, spent
$300,000 in repair work due to mold.
Saline Middle School in Washtenaw County, Michigan, spent $500,000 to
solve the mold problem associated with their ceiling tiles.
^ District 303 spent $13.1 million on the mold cleanup and repair project at
St. Charles East High School, Illinois, after closing the school due to mold
problems.
^ Bedford County School Board in Florida spent $750,000 to replace Jefferson
Forest High School's roof, but another $1.6 million was needed to
remediate the mold problem at the school.
* Yuma High School, Arizona, spent more than $5 million to clean up its
mold problem.
^ Washington Elementary School, Michigan, spent more than $200,000 to
clean up its mold problem.
• To relocate students from moldy schools in Portland, Maine, the school district
spent $100,000 every three months to rent rooms in downtown buildings.
ACTION
ITEMS
Be alert to signs of water damage near windows,
on ceilings, and on walls in classrooms and hallways.
Use the IAQ Tools for Schools Kit to conduct walkthroughs
to help identify mold problems before they become severe.
Look for visible signs of mold or moldy odors throughout
your school.
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Schools can reduce
triggers for asthma by
following the guidance
presented in EPA's document,
"IAQ Tools for Schools—
Managing Asthma in the
School Environment."
To order this EPA publication
at no cost, call the
IAQ INFO Clearinghouse
at (800) 438-4318.
Mold on ceiling in a Georgia elementary school,
photo by Daniel Friedman
Studies on Mold and on Dampness
Studies have found an association between mold
and a variety of adverse health effects. For example,
mold is a known asthma trigger.
• Controlling dampness in buildings is extremely
important in that dampness has been consistently
associated with respiratory symptoms, asthma,
and allergies, and therefore represents a risk
factor for respiratory problems. 21'22
• Dampness or mold in the home have been
associated with wheezing, prolonged cough,
fatigue, and headache among children without
diagnosed asthma.23
10
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ASTHMA AND SCHOOLS
4
I T sthma affects about 15 million people of all ages, including 1 out of every
JL JL 13 school-age children. Asthma has become increasingly common in children,
particularly in 5- to 6-year olds. Schools can decrease children's exposure to triggers
for asthma, such as animal dander, cockroaches, mold, and dust mites, by
implementing the IAQ Tools for Schools Program.
Economics
m Asthma is a primary cause of school absenteeism, accounting for 10 million missed
school days per year. Absenteeism directly affects school funding, which is often
based on attendance.
• Asthma is the most common and costly chronic illness in the United States,
estimated at $11.3 billion in 1998.
Studies on Asthma
• Exposure to mold has been associated with increased severity of asthma symptoms. 24
• Asthma prevalence in schools has been associated with higher relative air humidity,
higher concentrations of volatile organic compounds, and mold or bacteria. 7
• Reported asthmatic symptoms were less common in schools that had installed a new
ventilation system. The new system resulted in higher air-exchange rates, lower
concentrations of several airborne pollutants, and lower relative humidity.25
ACTION ITEMS
I
Encourage the school nurse to alert school
administrators about an increase in health
problems such as asthma, wheezing, and
persistent coughing.
Use the IAQ Tools for Schools Kit to identify
triggers for asthma and minimize children's
risk of developing respiratory problems.
Minimize all asthma triggers in schools such
as mold, dust mites, animals, and cockroaches.
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"We saw a significant decrease
in the absenteeism rates of
children, especially for a child
with severe asthma attending
the school, since we completed
the IAQ upgrades/'
—Priscilla Santiago,
School Nurse, Little Harbour School, NH
"Fewer students keep
asthma medicine and
inhalers at school, and
asthma episodes are less
frequent even though the
number of students with
asthma has not changed.'
—School Health Programs
Department, San Francisco
Unified School District, CA
12
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REFERENCES
FACTS
O N
ASTHMA
7 Lyons J.B. 2001. Do School Facilities Really
Impact a Child's Education? Issuetrak, CEFPI
Brief. November 2001.
An estimated 8,000 to
26,000 new asthma
cases arise in
children each year.
Nearly 1 in 13
children of school-
age has asthma.
The percentages
are rising more
rapidly in preschool-
age children than in
any other group.
Deaths related to
asthma in children
have nearly tripled
over the last 15
years.
African-American
and Hispanic
populations are
more likely to
have asthma.
3 Pilotto L.S., Douglas R.M., Attewell R.G., and
Wilson S.R. 1997. Respiratory effects associated
with indoor nitrogen dioxide exposure in
children. IntJEpidemiol, 26(4):788-96.
4 Romieu I., Lugo M.C., Velasco S.R., Sanchez S.,
Meneses R, and Hernandez M. 1992. Air-
Pollution and School Absenteeism among
Children in Mexico City. American Journal of
Epidemiology, 136(12):1524-1531.
5 Makino K. 2000. Association of school absence
with air pollution in areas around arterial
roads. J Epidemiol, 10(5):292-9.
6 Chen L., Jennison B.L., Yang W., and Omaye
S.T. 2000. Elementary school absenteeism and
air pollution. InhalToxicol, 12(11):997-1016.
7 Smedje G., Norback D., and Edling C. 1997.
Asthma among secondary schoolchildren in
relation to the school environment, din Exp
Allergy, 27(ll):1270-8.
8 McCoach A.S. and Burge P.S. 1999. Floor
cleaning materials as a cause of occupational
asthma. The 8th International Conference on
Indoor Air Quality and Climate. Edinburgh,
Scotland: Construction Research
Communications Ltd, 459-63.
9 Zock M., Sunyer J., Almar E., Muniozguren N.,
Payo F, Sanchez J.L., and Anto J.M. 2001.
Asthma Risk, Cleaning Activities and use of
Specific Cleaning Products Among Spanish
Indoor Cleaners. ScandJWork Environ Health,
27:76-81.
10 Myhrvold E. and Lauridsen O. 1996. Indoor
environment in schools - Pupils health and
performance in regard to CC>2 concentrations.
The 7th International Conference on Indoor Air
Quality and Climate. Nagoya, Japan, 369-74.
7 7 CEFPI. 2000. Where Children Learn: Facilities
Conditions and Student Test Performance in
the Milwaukee Public Schools. Issuetrak.
December 2000.
72 Smedje D. and Edling C. 1996. Mental
performance by secondary school pupils in
relation to the quality of indoor air. The Seventh
International Conference on Indoor Air Quality and
Climate. Nagoya, Japan, 413-19.
13 Raw G.H., Roy M.S., and Leaman A. 1990.
Further Findings from Office of Environment
Survey: Productivity. Indoor Air '90. The Fifth
International Conference on Indoor Air Quality and
Climate, 1:231-236.
13
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14 Wargocki P.W. and Fanger P.O. 2000. Pollution
source control and ventilation improve health,
comfort and productivity. Cold Climate HVAC.
Sapporo, Japan.
75 Fang L, Clausen G., and Fanger P.O. 1998.
Impact of Temperature and Humidity on the
Perception of Indoor Air Quality. Indoor Air,
8(2):80-90.
76 Fang L., Clausen G., and Fanger P.O. 1998.
Impact of Temperature and Humidity on the
Perception of Indoor Air Quality During
Immediate and Longer Whole-Body
Exposures. Indoor Air, 8(4):276-284.
77 Fang L., Wargocki P., WittersehT, Clausen G.,
and Fanger P.O. 1999. Field Study on the
Impact of Temperature, Humidity, and
Ventilation on Perceived Air Quality. Indoor Air
99. The Eighth International Conference on Indoor
Air Quality and Climate, 2:107-112.
18 Schoer L. and Shaffran J. 1973. A combined
evaluation of three separate research projects
on the effects of thermal environment on
learning and performance. ASHRAE
Transactions 79:97-108.
79 Mendell M.J., Fisk W.J., Petersen M, Hines
C.H., Faulkner D., Dong M.X., Deddens J.A.,
Ruder A.M., Sulivan D., and Boeniger M.F.
2002. Enhanced particle filtration in a non-
problem office environment: preliminary
results from a double-blind crossover
intervention study. Epidemiology (in press).
20 Wyon D.P., Andersen I, and Lundqvist G.R.
1979. The effects of moderate heat stress on
mental performance. Scand] Work Environ
Health 5(4):352-61.
21 Bornehag G., Gyntelberg F, Jarholm B.,
Malmberg P., Nordvall L., Nielsen A.,
Pershagen G., and Sundell J. 2001. Dampness
in Buildings and Health. Nordic
Interdisciplinary Review of the Scientific
Evidence on Associations between Exposure to
"Dampness" in Buildings and Health Effects
(NORDDAMP). International Journal of Indoor
Air Quality & Climate, ll(2):72-86.
22 Peat J.K., Dickerson J., and Li J. 1998. Effects of
damp and mould in the home on respiratory
health: a review of the literature. Allergy, 53(2):120-8.
23 MaierW.C., Arrighi H.M., Morray B.L.C., and
Redding G.J. 1997. Indoor Risk Factors for
Asthma and Wheezing Among Seattle's
Children. Environ Health Perspect, 105(2):208-14.
24 National Academy of Sciences, Committee on
the Assessment of Asthma and Indoor Air.
2000 Clearing the Air: Asthma and Indoor Air
Exposures. National Academy Press.
Washington, DC.
25 Smedje G. and Norback D. 2000. New
Ventilation Systems at Select Schools in
Sweden-Effects on Asthma and Exposure. Arch
Environ Health, 55(l):18-25.
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Other useful resources
for schools (available at
no cost) include:
Indoor Air Quality:
• Indoor Air Quality and Student
Performance
• Indoor Air Quality Tools for
Schools Case Studies
• Indoor Air Quality Tools for
Schools Roadmap
• Indoor Air Quality Tools for
Schools Bulletins
• Pesticides: Uses, Effects and
Alternatives to Pesticides in
Schools
Health:
• Clear Your Home Of Asthma
Triggers: Your Children Will
Breathe Easier
• Children and Secondhand Smoke
• Respiratory Health Effects of
Passive Smoking: Lung Cancer
and Other Disorders
• Setting the Record Straight:
Secondhand Smoke is a
Preventable Health Risk
• Secondhand Smoke: What
You Can Do As Parents,
Decisionmakers, and Building
Occupants
Radon:
• Radon in Schools Brochure
• Reducing Radon in Schools:
A Team Approach
• Radon Measurement in Schools
• Radon Prevention in the Design
and Construction of Schools,
Other Large Buildings
For a complete listing of
available resources, or to order
any of these documents, call the
IAQ INFO Clearinghouse at
(800) 438-4318.
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EPA offers many resources at no cost. Some of these include:
m The IAQ Tools for Schools Kit
m Mold Remediation in Schools and Commercial Buildings
m Managing Asthma in the School Environment
For a complete list of EPA's resources, visit http://www.epa.gov/iaq.
To order a document, call the IAQ INFO Clearinghouse at
(800) 438-4318, fax (703) 356-5386, or e-mail iaqinfo@aol.com.
_. .ited States
Environmental Protection
Agency
Office of Air and Radiation
Indoor Environments Division
(6609J)
EPA 402-K-02-005
October 2002
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