{"id":7625,"date":"2023-02-23T08:42:37","date_gmt":"2023-02-23T08:42:37","guid":{"rendered":"https:\/\/www.3sqair.com\/portfolio-item\/impact-of-wood-burning-on-indoor-pm2-5-in-a-primary-school-in-rural-portugal\/"},"modified":"2023-06-15T09:03:18","modified_gmt":"2023-06-15T09:03:18","slug":"impact-of-wood-burning-on-indoor-pm2-5-in-a-primary-school-in-rural-portugal","status":"publish","type":"portfolio","link":"https:\/\/www.3sqair.com\/fr\/portfolio-item\/impact-of-wood-burning-on-indoor-pm2-5-in-a-primary-school-in-rural-portugal\/","title":{"rendered":"Impact of wood burning on indoor PM25 in a primary school in rural Portugal"},"content":{"rendered":"

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Impact of wood burning on indoor PM2.5 in a primary school in rural Portugal<\/span><\/h2>

Description<\/span><\/h3>[vc_column_text]A study concerning the chemical characterization of PM2.5 sampled indoors of a primary school, which burns wood for classrooms\u2019 heating, was conducted in a rural area of Portugal. A Partisol sequential sampler was placed inside of a classroom, to collect PM2.5 during the day, which corresponds to the occupied period, and during the night. The collected PM2.5 was characterized by Instrumental Neutron Activation Analysis to determine the concentration of chemical elements and by Ion Chromatography to measure Water Soluble Ions. High PM2.5 concentrations were found principally during the occupied periods (100 \u00b1 71 \u03bcg m\u22123). A source apportionment study was performed by means of Positive Matrix Factorization (PMF) analysis. Results showed that four factors contributed for PM2.5 concentration whereas one factor was associated exclusively with a mixture of indoor sources: wood burning, re-suspension of soil and chalk. During classes, this indoor factor contributed for 60% of the total PM2.5 concentration. This study showed that children are exposed to high levels of PM2.5 and indicated the existence of an indoor air quality problem associated with specific indoor sources and poor ventilation.[\/vc_column_text]
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Summary:<\/span><\/span><\/h3>
<\/div>[\/vc_column][\/vc_row][vc_row rc_bg_type=\u00a0\u00bbcolor\u00a0\u00bb rc_bg_color=\u00a0\u00bbrgba(222,233,247,0.48)\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/3″][\/vc_column][vc_column width=\u00a0\u00bb2\/3″][vc_tta_accordion active_section=\u00a0\u00bb0″ collapsible_all=\u00a0\u00bbtrue\u00a0\u00bb][vc_tta_section title=\u00a0\u00bbABSTRACT\u00a0\u00bb tab_id=\u00a0\u00bb1674724336889-2d4480ac-54b1″][\/vc_tta_section][vc_tta_section title=\u00a0\u00bb1.INTRODUCTION\u00a0\u00bb tab_id=\u00a0\u00bb1677141677293-2d476aff-272c\u00a0\u00bb][\/vc_tta_section][vc_tta_section title=\u00a0\u00bb2. MATERIALS AND METHODS\u00a0\u00bb tab_id=\u00a0\u00bb1677141102168-b184579b-8332″][vc_column_text]2.1. Description of the sampling site and equipment
\n2.2. Gravimetric and chemical analysis
\n2.3. Statistical analysis[\/vc_column_text][\/vc_tta_section][vc_tta_section title=\u00a0\u00bb3. RESULTS AND DISCUSSION\u00a0\u00bb tab_id=\u00a0\u00bb1677141101777-3fc6ef87-cf4a\u00a0\u00bb][vc_column_text]3.1. Comfort parameters
\n3.2. PM2.5 total mass concentrations
\n3.3. PM2.5 chemical characterization
\n3.4. Enrichment factors
\n3.5. Source apportionment by Positive Matrix Factorization (PMF)[\/vc_column_text][\/vc_tta_section][vc_tta_section title=\u00a0\u00bb4. CONCLUSIONS\u00a0\u00bb tab_id=\u00a0\u00bb1677141101332-66b8960c-02f7″][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row rc_bg_type=\u00a0\u00bbcolor\u00a0\u00bb rc_bg_color=\u00a0\u00bbrgba(222,233,247,0.48)\u00a0\u00bb][vc_column]
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Characteristics:<\/span><\/span><\/h3>
<\/div>[vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/3″][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb2\/3″ rc_bg_type=\u00a0\u00bbcolor\u00a0\u00bb rc_bg_color=\u00a0\u00bbrgba(224,234,249,0.36)\u00a0\u00bb grve_css=\u00a0\u00bb{\u00ab\u00a0desktop\u00ab\u00a0:{\u00ab\u00a0padding-top\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-right\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-bottom\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-left\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0class\u00ab\u00a0:\u00ab\u00a0grve-wpb-1674472044165\u00ab\u00a0}}\u00a0\u00bb][vc_column_text]Date: September 2014[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/3″][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb2\/3″ rc_bg_type=\u00a0\u00bbcolor\u00a0\u00bb grve_css=\u00a0\u00bb{\u00ab\u00a0desktop\u00ab\u00a0:{\u00ab\u00a0padding-top\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-right\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-bottom\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-left\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0class\u00ab\u00a0:\u00ab\u00a0grve-wpb-1674472055005\u00ab\u00a0}}\u00a0\u00bb][vc_column_text]Author : Nuno Canha, Susana Marta Almeida, Maria do Carmo Freitas, Hubert Th. Wolterbeek, Jo\u00e3o Cardoso, Casimiro Pio, Alexandre Caseiro[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/3″][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb2\/3″ rc_bg_type=\u00a0\u00bbcolor\u00a0\u00bb grve_css=\u00a0\u00bb{\u00ab\u00a0desktop\u00ab\u00a0:{\u00ab\u00a0padding-top\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-right\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-bottom\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-left\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0class\u00ab\u00a0:\u00ab\u00a0grve-wpb-1674554391032\u00ab\u00a0}}\u00a0\u00bb][vc_column_text]Geographical area: Portugal, Foros de Arr\u00e3o[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/3″][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb2\/3″ rc_bg_type=\u00a0\u00bbcolor\u00a0\u00bb grve_css=\u00a0\u00bb{\u00ab\u00a0desktop\u00ab\u00a0:{\u00ab\u00a0padding-top\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-right\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-bottom\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-left\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0class\u00ab\u00a0:\u00ab\u00a0grve-wpb-1674554417882\u00ab\u00a0}}\u00a0\u00bb rc_bg_color=\u00a0\u00bbrgba(224,234,249,0.36)\u00a0\u00bb][vc_column_text]Type of publication : Article[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/3″][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb2\/3″ rc_bg_type=\u00a0\u00bbcolor\u00a0\u00bb grve_css=\u00a0\u00bb{\u00ab\u00a0desktop\u00ab\u00a0:{\u00ab\u00a0padding-top\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-right\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-bottom\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0padding-left\u00ab\u00a0:\u00ab\u00a02%\u00ab\u00a0,\u00ab\u00a0class\u00ab\u00a0:\u00ab\u00a0grve-wpb-1674554427012\u00ab\u00a0}}\u00a0\u00bb][vc_column_text]Language : EN[\/vc_column_text][\/vc_column_inner][\/vc_row_inner]
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Copyright:<\/span><\/span><\/h3>
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Impact of wood burning on indoor PM25 in a primary school in rural Portugal<\/p>\n","protected":false},"author":3,"featured_media":6535,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"portfolio_category":[46],"portfolio_field":[],"acf":[],"yoast_head":"\nImpact of wood burning on indoor PM25 in a primary school in rural Portugal - 3SqAIR<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.3sqair.com\/fr\/portfolio-item\/impact-of-wood-burning-on-indoor-pm2-5-in-a-primary-school-in-rural-portugal\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Impact of wood burning on indoor PM25 in a primary school in rural Portugal - 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