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É. Vaskövi1, O. Udvardy1, M. Endrődy1, T. Beregszászi1, P. Rudnai1,
É. Csobod2
1Department of Air Hygiene NCPH-NIEH2Regional Environmental Centre for Central and
Easter Europe, Hungarian Office
SEARCHSEARCH
27-28 March 2009 , Bratislava, Slovakia
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Identify the exposure level in combination with building characteristics and occupant behaviour and activities
Analyse the passive samples
Compare the air quality data measured by the participating centres
Evaluation of the relationship between measured concentrations and possible emission sources
Draw the conclusions
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IAQ-related health problems in schools
IAQ can potentially affect the health of students /staff in the educational process
Children are more susceptible to poor IAQ
Students spend 4-8 hrs a day in school
Magnitude of schoolchildren population
IAQ pollutants are 2 to 5 times higher
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Within the school building
Polluted outdoor air (traffic, industry)
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HCHO BTEX
1.panelling
2.fabric
3.plywood
4.floor carpet
5.furniture
6
5
3
2
1
8
7
6.board
7. plastic flooring
8.oil paint
9.furniture
4
CHARACTERISTIC INDOOR SOURCES IN HUNGARIAN
SCHOOLS
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MONITORING MONITORING PROGRAMPROGRAM
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ALBANIABOSNIA**HUNGARY
ITALY*SERBIA
SLOVAKIA
* results aren’t integrated** pollution data are presented only
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Country Town number
School number
Class number
Albania 3 10 35
Bosnia 3 10 40
Hungary 4 10 43
Serbia 7 10 44
Slovakia 2 10 40
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INDOOR INDOOR classroom, in the breathing zone
OUTDOOR ambient air, closest to the window of the classroom
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Country Beginning date
End date
Albania 22/01/2008 04/04/2008
Bosnia 24/12/2007 17/04/2008
Hungary 05/11/2007 29/02/2008
Serbia 28/01/2008 09/05/2008
Slovakia 03/12/2007 14/03/2008
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REAL-TIME MONITORING
T, RH, CO2, CO PM
INTEGRATED (PASSIVE) SAMPLING NO2 BTEX, H2CO
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Protocol for field work Training and consultation The same portable monitors and
passive samplers Blank samples Passive samples were collected by the
countries and analysed by one laboratory
Samples transportation were performed in compliance with the same protocol
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RESULTSRESULTS
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0
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Albania Hungary Serbia Slovakia
average
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Albania Bosnia Hungary Serbia Slovakia
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0
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Albania Bosnia Hungary Serbia Slovakia
average
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HCHO P
CO2- values
PM10
AlbaniaClassroom crowdness (7 category) 0,0432
The wall is covered by white-wash 0,0136
When were the walls painted last time 0,0254
HungaryOrientation of the classroom: facing the street 0,0353 0,0563
The floor is made of wood 0,0518 0,0009
Time of opened windows (<1 h) 0,0029
SerbiaOn which floor is this classroom situated 0,0190
Windows not opened 0,0105 0,0976
How frequently are the windows opened 0,0769
SlovakiaOrientation of the classroom: facing the street 0,0376
The floor is covered with carpet 0,0736 0,0736
Classroom crowdness (<2m2; <6m3) 0,0887
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CONCLUSIONSCONCLUSIONS
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HCHO
Orientation of the classroom: facing the street Slovakia
When were the walls painted last time AlbaniaThe floor is made of wood Hungary
The floor is covered with carpet Slovakia
Windows not opened Serbia
CO2
Orientation of the classroom: facing the street HungaryTime of opened windows (<1 h) Hungary
How frequently are the windows opened Serbia
PM10
On which floor is this classroom situated Serbia
Orientation of the classroom: facing the street Hungary
Classroom crowdness Albania, SlovakiaThe wall is covered by white-wash AlbaniaThe floor is made of wood HungaryThe floor is covered with carpet SlovakiaWindows not opened Serbia
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- Facing the street: HCHO ↑ CO2 ↑ PM10↑
outdoor sources or not enough ventillaton?
- Fresh painting → HCHO ↑
- Floor: wood or carpet → HCHO ↑ PM10↑
- Classroom crowdness → PM10↑
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