Evaluation of VOC measurements in the EXPOLIS study

Jouni Jurvelin, Rufus Edwards, Kristina Saarela, Jutta Laine-Ylijoki, Maurizio, De Bortoli, Lucy Oglesby, Kurt Schläpfer, Lampros Georgoulis, Eva Tischerova, Otto Hänninen, Matti Jantunen

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Abstract

Personal exposures and microenvironment concentrations of 30 target VOCs were measured for 401 participants living in five European cities as a part of the EXPOLIS (Air Pollution Exposure Distributions within Adult Urban Populations in Europe) study. Measurements in Basel used an active charcoal (Carbotech) adsorbent as opposed to the Tenax TA used in the other study centres. In addition, within each centre, personal and microenvironment VOC sampling required different sampling pumps and, because of different sampling durations, different sampling flow rates. Thus, careful testing of the sampling and analysis procedures was required to ensure accuracy and comparability of collected data. Monitor comparison tests using Tenax TA showed a mean VOC concentration ratio of 0.95 between the personal and microenvironment monitors. The LODs for the target VOCs using Tenax TA ranged from 0.7 to 5.2 µg m−3. The LODs for the 14 target compounds quantifiable using Carbotech ranged from 0.9 to 3.2 µg m−3. Tenax TA field blanks showed no remarkable contamination with the target VOCs, except benzaldehyde, a known artefact with this adsorbent. Thus, the diffusion barrier system used prevented contamination of Tenax TA samples by passive diffusion during non-sampling periods. Duplicate and parallel evaluations of the Tenax TA and Carbotech showed an average difference of <17% in VOC concentrations within the sampling methods, but a systematic difference between the methods (Tenax TA ∶ Carbotech concentration ratio = 1.18–2.36). These field evaluations and quality assurance tests showed that interpretation and comparison of the results in any VOC monitoring exercise should be done on a compound by compound basis. It is also apparent that carefully planned and realised QA and QC (QA/QC) procedures are needed in multi-centre studies, where a common sampling method and laboratory analysis technique are not used, to strengthen and simplify the interpretation of observed VOC levels between participating centres.
Original languageEnglish
Pages (from-to)159-165
Number of pages7
JournalJournal of Environmental Monitoring
Volume3
Issue number1
DOIs
Publication statusPublished - 2001
MoE publication typeA1 Journal article-refereed

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Volatile organic compounds
volatile organic compound
Sampling
sampling
Adsorbents
Contamination
Urban Population
pollution exposure
Charcoal
Air Pollution
Diffusion barriers
evaluation
tenax
urban population
Artifacts
Quality assurance
Air pollution
charcoal
artifact
pump

Cite this

Jurvelin, J., Edwards, R., Saarela, K., Laine-Ylijoki, J., Bortoli, M. D., Oglesby, L., ... Jantunen, M. (2001). Evaluation of VOC measurements in the EXPOLIS study. Journal of Environmental Monitoring, 3(1), 159-165. https://doi.org/10.1039/B007600G
Jurvelin, Jouni ; Edwards, Rufus ; Saarela, Kristina ; Laine-Ylijoki, Jutta ; Bortoli, Maurizio, De ; Oglesby, Lucy ; Schläpfer, Kurt ; Georgoulis, Lampros ; Tischerova, Eva ; Hänninen, Otto ; Jantunen, Matti. / Evaluation of VOC measurements in the EXPOLIS study. In: Journal of Environmental Monitoring. 2001 ; Vol. 3, No. 1. pp. 159-165.
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abstract = "Personal exposures and microenvironment concentrations of 30 target VOCs were measured for 401 participants living in five European cities as a part of the EXPOLIS (Air Pollution Exposure Distributions within Adult Urban Populations in Europe) study. Measurements in Basel used an active charcoal (Carbotech) adsorbent as opposed to the Tenax TA used in the other study centres. In addition, within each centre, personal and microenvironment VOC sampling required different sampling pumps and, because of different sampling durations, different sampling flow rates. Thus, careful testing of the sampling and analysis procedures was required to ensure accuracy and comparability of collected data. Monitor comparison tests using Tenax TA showed a mean VOC concentration ratio of 0.95 between the personal and microenvironment monitors. The LODs for the target VOCs using Tenax TA ranged from 0.7 to 5.2 µg m−3. The LODs for the 14 target compounds quantifiable using Carbotech ranged from 0.9 to 3.2 µg m−3. Tenax TA field blanks showed no remarkable contamination with the target VOCs, except benzaldehyde, a known artefact with this adsorbent. Thus, the diffusion barrier system used prevented contamination of Tenax TA samples by passive diffusion during non-sampling periods. Duplicate and parallel evaluations of the Tenax TA and Carbotech showed an average difference of <17{\%} in VOC concentrations within the sampling methods, but a systematic difference between the methods (Tenax TA ∶ Carbotech concentration ratio = 1.18–2.36). These field evaluations and quality assurance tests showed that interpretation and comparison of the results in any VOC monitoring exercise should be done on a compound by compound basis. It is also apparent that carefully planned and realised QA and QC (QA/QC) procedures are needed in multi-centre studies, where a common sampling method and laboratory analysis technique are not used, to strengthen and simplify the interpretation of observed VOC levels between participating centres.",
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Jurvelin, J, Edwards, R, Saarela, K, Laine-Ylijoki, J, Bortoli, MD, Oglesby, L, Schläpfer, K, Georgoulis, L, Tischerova, E, Hänninen, O & Jantunen, M 2001, 'Evaluation of VOC measurements in the EXPOLIS study', Journal of Environmental Monitoring, vol. 3, no. 1, pp. 159-165. https://doi.org/10.1039/B007600G

Evaluation of VOC measurements in the EXPOLIS study. / Jurvelin, Jouni; Edwards, Rufus; Saarela, Kristina; Laine-Ylijoki, Jutta; Bortoli, Maurizio, De; Oglesby, Lucy; Schläpfer, Kurt; Georgoulis, Lampros; Tischerova, Eva; Hänninen, Otto; Jantunen, Matti.

In: Journal of Environmental Monitoring, Vol. 3, No. 1, 2001, p. 159-165.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Evaluation of VOC measurements in the EXPOLIS study

AU - Jurvelin, Jouni

AU - Edwards, Rufus

AU - Saarela, Kristina

AU - Laine-Ylijoki, Jutta

AU - Bortoli, Maurizio, De

AU - Oglesby, Lucy

AU - Schläpfer, Kurt

AU - Georgoulis, Lampros

AU - Tischerova, Eva

AU - Hänninen, Otto

AU - Jantunen, Matti

PY - 2001

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N2 - Personal exposures and microenvironment concentrations of 30 target VOCs were measured for 401 participants living in five European cities as a part of the EXPOLIS (Air Pollution Exposure Distributions within Adult Urban Populations in Europe) study. Measurements in Basel used an active charcoal (Carbotech) adsorbent as opposed to the Tenax TA used in the other study centres. In addition, within each centre, personal and microenvironment VOC sampling required different sampling pumps and, because of different sampling durations, different sampling flow rates. Thus, careful testing of the sampling and analysis procedures was required to ensure accuracy and comparability of collected data. Monitor comparison tests using Tenax TA showed a mean VOC concentration ratio of 0.95 between the personal and microenvironment monitors. The LODs for the target VOCs using Tenax TA ranged from 0.7 to 5.2 µg m−3. The LODs for the 14 target compounds quantifiable using Carbotech ranged from 0.9 to 3.2 µg m−3. Tenax TA field blanks showed no remarkable contamination with the target VOCs, except benzaldehyde, a known artefact with this adsorbent. Thus, the diffusion barrier system used prevented contamination of Tenax TA samples by passive diffusion during non-sampling periods. Duplicate and parallel evaluations of the Tenax TA and Carbotech showed an average difference of <17% in VOC concentrations within the sampling methods, but a systematic difference between the methods (Tenax TA ∶ Carbotech concentration ratio = 1.18–2.36). These field evaluations and quality assurance tests showed that interpretation and comparison of the results in any VOC monitoring exercise should be done on a compound by compound basis. It is also apparent that carefully planned and realised QA and QC (QA/QC) procedures are needed in multi-centre studies, where a common sampling method and laboratory analysis technique are not used, to strengthen and simplify the interpretation of observed VOC levels between participating centres.

AB - Personal exposures and microenvironment concentrations of 30 target VOCs were measured for 401 participants living in five European cities as a part of the EXPOLIS (Air Pollution Exposure Distributions within Adult Urban Populations in Europe) study. Measurements in Basel used an active charcoal (Carbotech) adsorbent as opposed to the Tenax TA used in the other study centres. In addition, within each centre, personal and microenvironment VOC sampling required different sampling pumps and, because of different sampling durations, different sampling flow rates. Thus, careful testing of the sampling and analysis procedures was required to ensure accuracy and comparability of collected data. Monitor comparison tests using Tenax TA showed a mean VOC concentration ratio of 0.95 between the personal and microenvironment monitors. The LODs for the target VOCs using Tenax TA ranged from 0.7 to 5.2 µg m−3. The LODs for the 14 target compounds quantifiable using Carbotech ranged from 0.9 to 3.2 µg m−3. Tenax TA field blanks showed no remarkable contamination with the target VOCs, except benzaldehyde, a known artefact with this adsorbent. Thus, the diffusion barrier system used prevented contamination of Tenax TA samples by passive diffusion during non-sampling periods. Duplicate and parallel evaluations of the Tenax TA and Carbotech showed an average difference of <17% in VOC concentrations within the sampling methods, but a systematic difference between the methods (Tenax TA ∶ Carbotech concentration ratio = 1.18–2.36). These field evaluations and quality assurance tests showed that interpretation and comparison of the results in any VOC monitoring exercise should be done on a compound by compound basis. It is also apparent that carefully planned and realised QA and QC (QA/QC) procedures are needed in multi-centre studies, where a common sampling method and laboratory analysis technique are not used, to strengthen and simplify the interpretation of observed VOC levels between participating centres.

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DO - 10.1039/B007600G

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Jurvelin J, Edwards R, Saarela K, Laine-Ylijoki J, Bortoli MD, Oglesby L et al. Evaluation of VOC measurements in the EXPOLIS study. Journal of Environmental Monitoring. 2001;3(1):159-165. https://doi.org/10.1039/B007600G