Indoor aerosol size distributions in a gymnasium

In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the...
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Autor*in:	Calvo, Ana I [verfasserIn] Fraile, Roberto Fernández-Guisuraga, Jose Manuel Coz, Esther Alonso-Blanco, Elisabeth Castro, Amaya Marques, Liliana Nunes, Teresa Alves, Célia

Format:	Artikel
Sprache:	Englisch

Erschienen:	2015

Rechteinformationen:	Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved.

Schlagwörter:	Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis

Übergeordnetes Werk:	Enthalten in: The science of the total environment - Amsterdam : Elsevier, 1972, 524-525(2015), Seite 178-186
Übergeordnetes Werk:	volume:524-525 ; year:2015 ; pages:178-186

Links:	Volltext Link aufrufen

DOI / URN:	10.1016/j.scitotenv.2015.03.118

Katalog-ID:	OLC1969689641

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520			\|a In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed.
540			\|a Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved.
650		4	\|a Air Pollution, Indoor - statistics & numerical data
650		4	\|a Aerosols - analysis
650		4	\|a Particulate Matter - analysis
650		4	\|a Air Pollutants - analysis
650		4	\|a Air Pollution, Indoor - analysis
700	1		\|a Fraile, Roberto \|4 oth
700	1		\|a Fernández-Guisuraga, Jose Manuel \|4 oth
700	1		\|a Coz, Esther \|4 oth
700	1		\|a Alonso-Blanco, Elisabeth \|4 oth
700	1		\|a Castro, Amaya \|4 oth
700	1		\|a Marques, Liliana \|4 oth
700	1		\|a Nunes, Teresa \|4 oth
700	1		\|a Alves, Célia \|4 oth
773	0	8	\|i Enthalten in \|t The science of the total environment \|d Amsterdam : Elsevier, 1972 \|g 524-525(2015), Seite 178-186 \|w (DE-627)129297917 \|w (DE-600)121506-1 \|w (DE-576)014490919 \|x 0048-9697 \|7 nnns
773	1	8	\|g volume:524-525 \|g year:2015 \|g pages:178-186
856	4	1	\|u http://dx.doi.org/10.1016/j.scitotenv.2015.03.118 \|3 Volltext
856	4	2	\|u http://www.ncbi.nlm.nih.gov/pubmed/25897726
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allfields	10.1016/j.scitotenv.2015.03.118 doi PQ20160211 (DE-627)OLC1969689641 (DE-599)GBVOLC1969689641 (PRQ)c1608-15a50841e85009dbd218474894ae9c37848eebaaf03c833548daba159e79b9af0 (KEY)0073664320150000524000000178indooraerosolsizedistributionsinagymnasium DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Calvo, Ana I verfasserin aut Indoor aerosol size distributions in a gymnasium 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis Fraile, Roberto oth Fernández-Guisuraga, Jose Manuel oth Coz, Esther oth Alonso-Blanco, Elisabeth oth Castro, Amaya oth Marques, Liliana oth Nunes, Teresa oth Alves, Célia oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 524-525(2015), Seite 178-186 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:524-525 year:2015 pages:178-186 http://dx.doi.org/10.1016/j.scitotenv.2015.03.118 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25897726 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 524-525 2015 178-186
spelling	10.1016/j.scitotenv.2015.03.118 doi PQ20160211 (DE-627)OLC1969689641 (DE-599)GBVOLC1969689641 (PRQ)c1608-15a50841e85009dbd218474894ae9c37848eebaaf03c833548daba159e79b9af0 (KEY)0073664320150000524000000178indooraerosolsizedistributionsinagymnasium DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Calvo, Ana I verfasserin aut Indoor aerosol size distributions in a gymnasium 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis Fraile, Roberto oth Fernández-Guisuraga, Jose Manuel oth Coz, Esther oth Alonso-Blanco, Elisabeth oth Castro, Amaya oth Marques, Liliana oth Nunes, Teresa oth Alves, Célia oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 524-525(2015), Seite 178-186 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:524-525 year:2015 pages:178-186 http://dx.doi.org/10.1016/j.scitotenv.2015.03.118 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25897726 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 524-525 2015 178-186
allfields_unstemmed	10.1016/j.scitotenv.2015.03.118 doi PQ20160211 (DE-627)OLC1969689641 (DE-599)GBVOLC1969689641 (PRQ)c1608-15a50841e85009dbd218474894ae9c37848eebaaf03c833548daba159e79b9af0 (KEY)0073664320150000524000000178indooraerosolsizedistributionsinagymnasium DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Calvo, Ana I verfasserin aut Indoor aerosol size distributions in a gymnasium 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis Fraile, Roberto oth Fernández-Guisuraga, Jose Manuel oth Coz, Esther oth Alonso-Blanco, Elisabeth oth Castro, Amaya oth Marques, Liliana oth Nunes, Teresa oth Alves, Célia oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 524-525(2015), Seite 178-186 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:524-525 year:2015 pages:178-186 http://dx.doi.org/10.1016/j.scitotenv.2015.03.118 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25897726 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 524-525 2015 178-186
allfieldsGer	10.1016/j.scitotenv.2015.03.118 doi PQ20160211 (DE-627)OLC1969689641 (DE-599)GBVOLC1969689641 (PRQ)c1608-15a50841e85009dbd218474894ae9c37848eebaaf03c833548daba159e79b9af0 (KEY)0073664320150000524000000178indooraerosolsizedistributionsinagymnasium DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Calvo, Ana I verfasserin aut Indoor aerosol size distributions in a gymnasium 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis Fraile, Roberto oth Fernández-Guisuraga, Jose Manuel oth Coz, Esther oth Alonso-Blanco, Elisabeth oth Castro, Amaya oth Marques, Liliana oth Nunes, Teresa oth Alves, Célia oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 524-525(2015), Seite 178-186 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:524-525 year:2015 pages:178-186 http://dx.doi.org/10.1016/j.scitotenv.2015.03.118 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25897726 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 524-525 2015 178-186
allfieldsSound	10.1016/j.scitotenv.2015.03.118 doi PQ20160211 (DE-627)OLC1969689641 (DE-599)GBVOLC1969689641 (PRQ)c1608-15a50841e85009dbd218474894ae9c37848eebaaf03c833548daba159e79b9af0 (KEY)0073664320150000524000000178indooraerosolsizedistributionsinagymnasium DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Calvo, Ana I verfasserin aut Indoor aerosol size distributions in a gymnasium 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis Fraile, Roberto oth Fernández-Guisuraga, Jose Manuel oth Coz, Esther oth Alonso-Blanco, Elisabeth oth Castro, Amaya oth Marques, Liliana oth Nunes, Teresa oth Alves, Célia oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 524-525(2015), Seite 178-186 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:524-525 year:2015 pages:178-186 http://dx.doi.org/10.1016/j.scitotenv.2015.03.118 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25897726 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 524-525 2015 178-186
language	English
source	Enthalten in The science of the total environment 524-525(2015), Seite 178-186 volume:524-525 year:2015 pages:178-186
sourceStr	Enthalten in The science of the total environment 524-525(2015), Seite 178-186 volume:524-525 year:2015 pages:178-186
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis
dewey-raw	570
isfreeaccess_bool	false
container_title	The science of the total environment
authorswithroles_txt_mv	Calvo, Ana I @@aut@@ Fraile, Roberto @@oth@@ Fernández-Guisuraga, Jose Manuel @@oth@@ Coz, Esther @@oth@@ Alonso-Blanco, Elisabeth @@oth@@ Castro, Amaya @@oth@@ Marques, Liliana @@oth@@ Nunes, Teresa @@oth@@ Alves, Célia @@oth@@
publishDateDaySort_date	2015-01-01T00:00:00Z
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The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. 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author	Calvo, Ana I
spellingShingle	Calvo, Ana I ddc 570 misc Air Pollution, Indoor - statistics & numerical data misc Aerosols - analysis misc Particulate Matter - analysis misc Air Pollutants - analysis misc Air Pollution, Indoor - analysis Indoor aerosol size distributions in a gymnasium
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topic_title	570 333.7 610 DNB Indoor aerosol size distributions in a gymnasium Air Pollution, Indoor - statistics & numerical data Aerosols - analysis Particulate Matter - analysis Air Pollutants - analysis Air Pollution, Indoor - analysis
topic	ddc 570 misc Air Pollution, Indoor - statistics & numerical data misc Aerosols - analysis misc Particulate Matter - analysis misc Air Pollutants - analysis misc Air Pollution, Indoor - analysis
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title	Indoor aerosol size distributions in a gymnasium
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title_sort	indoor aerosol size distributions in a gymnasium
title_auth	Indoor aerosol size distributions in a gymnasium
abstract	In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed.
abstractGer	In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed.
abstract_unstemmed	In this study, an indoor/outdoor monitoring program was carried out in a gymnasium at the University of Leon, Spain. The main goal was a characterization of aerosol size distributions in a university gymnasium under different conditions and sports activities (with and without magnesia alba) and the study of the mass fraction deposited in each of the parts of the respiratory tract. The aerosol particles were measured in 31 discrete channels (size ranges) using a laser spectrometer probe. Aerosol size distributions were studied under different conditions: i) before sports activities, ii) activities without using magnesia alba, iii) activities using magnesia alba, iv) cleaning procedures, and v) outdoors. The aerosol refractive index and density indoors were estimated from the aerosol composition: 1.577-0.003i and 2.055 g cm(-3), respectively. Using the estimated density, the mass concentration was calculated, and the evolution of PM1, PM2.5 and PM10 for different activities was assessed. The quality of the air in the gymnasium was strongly influenced by the use of magnesia alba (MgCO3) and the number of gymnasts who were training. Due to the climbing chalk and the constant process of resuspension, average PM10 concentrations of over 440 μg m(-3) were reached. The maximum daily concentrations ranged from 500 to 900 μg m(-3). Particle size determines the place in the respiratory tract where the deposition occurs. For this reason, the inhalable, thoracic, tracheobronchial and respirable fractions were assessed for healthy adults and high risk people, according to international standards. The estimations show that, for healthy adults, up to 300 μg m(-3) can be retained by the trachea and bronchi, and 130 μg m(-3) may reach the alveolar region. The different physical activities and the attendance rates in the sports facility have a significant influence on the concentration and size distributions observed.
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title_short	Indoor aerosol size distributions in a gymnasium
url	http://dx.doi.org/10.1016/j.scitotenv.2015.03.118 http://www.ncbi.nlm.nih.gov/pubmed/25897726
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author2	Fraile, Roberto Fernández-Guisuraga, Jose Manuel Coz, Esther Alonso-Blanco, Elisabeth Castro, Amaya Marques, Liliana Nunes, Teresa Alves, Célia
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up_date	2024-07-04T06:06:44.854Z
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