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Download 95% Median Mean Benzene Toluene Ethylbenzene Xylenes
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Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki Chemical and Radiological Risk in the Indoor Environment (CheRRIE) In situ measurements of chemical compounds Spyros Karakitsios, MSc, PhD Environmental Engineering Laboratory (EnvE-Lab) Department of Chemical Engineering, Aristotle University of Thessaloniki - 54124, Greece CheRRIE Closing event November 30, 2015 Thessaloniki, GR 1 Location of the 50 residential sites in Thessaloniki CheRRIE Closing event November 30, 2015 Thessaloniki, GR Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki 2 Sampling and analysis Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki BTEX Carbonyls CheRRIE Closing event November 30, 2015 Thessaloniki, GR 3 Excluding outdoor BTEX contribution CheRRIE Closing event November 30, 2015 Thessaloniki, GR Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki 4 Indoor concentrations Indoor concentration (μg/m3) 30 Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki 5%-95% Median Mean 25 20 15 10 5 0 Benzene Toluene Ethylbenzene Xylenes BTEX CheRRIE Closing event November 30, 2015 Formaldehyde Acetaldehyde Aldehydes Thessaloniki, GR 5 BTEX concentrations Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki 35 Benzene Toluene Ethylbenzene Xylenes 30 Concentration (μg/m3) 25 20 15 10 5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Kalamaria CheRRIE Closing event Kentro Ano Toumpa Stauroupoli November 30, 2015 Polihni Evosmos Ampelokhpoi Neapoli Sykies TriandriaPylaia Peuka Panorama Thermi Thessaloniki, GR 6 Carbonyl concentrations Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki 40 Formaldehyde Acetaldehyde 35 Concentration (μg/m3) 30 25 20 15 10 5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Kalamaria CheRRIE Closing event Kentro Ano Toumpa Stauroupoli November 30, 2015 Polihni Evosmos Ampelokhpoi Neapoli Sykies TriandriaPylaia Peuka Panorama Thermi Thessaloniki, GR 7 Correlation of emissions to sources CheRRIE Closing event November 30, 2015 Thessaloniki, GR Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki 8 Contribution of materials to concentrations Wood Based Panels 5% BENZENE Carpets 6% Floorings 40% Paints and Varnishes 37% Paints and Varnishes 40% XYLENES Carpets 9% Floorings 31% Gypsum Products and Plaster boards 15% CheRRIE Closing event Carpets 5% Floorings 57% Paints and Varnishes 25% Wood Based Panels 44% Wood Based Panels 4% ETHYLBENZENE FORMALDEHYDE Carpets 6% Floorings 20% Paints and Varnishes 11% November 30, 2015 Gypsum Products and Plaster boards 19% Thessaloniki, GR Wood Based Panels 7% Carpets 4% Floorings 35% Paints and Varnishes 46% Gypsum Products and Plaster boards 11% Gypsum Products and Plaster boards 12% Wood Based Panels 5% TOLUENE Wood Based Panels 2% Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki Gypsum Products and Plaster boards 11% ACETALDEHYDE Paints and Varnishes 36% Carpets 5% Floorings 44% Gypsum Products and Plaster boards 8% 9 Conclusions Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki • BTEX levels are lower than the ones measured in Greece in previous years – carbonyl compound levels are lower than the ones found in central and northern Europe • Although wide variability was found among the different locations, concentration levels are well correlated to the emissions • Parameters that affect these correlations include: • Air exchange rate differences among dwellings; i.e. dwellings with similar emissions might represent different concentration levels in the indoor air • the wide variability of the emission factors among similar materials, as already identified in the laboratory analysis, as well as in the review study • the presence of building materials used, such as internal and external wall ceiling finishes and thermal insulation that cannot be identified. • The use of domestic cleaning products affect significantly VOC concentrations and especially BTEX levels CheRRIE Closing event November 30, 2015 Thessaloniki, GR 10 Dep. of Chemical Engineering School of Engineering Aristotle Univ. of Thessaloniki Thank you for your kind attention www.enve-lab.eu A connectivity perspective to environment-health interactions CheRRIE Closing event November 30, 2015 Thessaloniki, GR 11
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