Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban Homes
Indoor combustion processes associated with cooking, heating, and smoking are a major source of aerosols in Jordanian dwellings. To evaluate human exposure to combustion-generated aerosols in Jordanian indoor environments, regional inhaled deposited dose rates of indoor aerosols (10 nm to 25 µm) wer...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-10-01
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| Series: | Atmosphere |
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| Online Access: | https://www.mdpi.com/2073-4433/11/11/1150 |
| _version_ | 1827703592077754368 |
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| author | Tareq Hussein Brandon E. Boor Jakob Löndahl |
| author_facet | Tareq Hussein Brandon E. Boor Jakob Löndahl |
| author_sort | Tareq Hussein |
| collection | DOAJ |
| description | Indoor combustion processes associated with cooking, heating, and smoking are a major source of aerosols in Jordanian dwellings. To evaluate human exposure to combustion-generated aerosols in Jordanian indoor environments, regional inhaled deposited dose rates of indoor aerosols (10 nm to 25 µm) were determined for different scenarios for adult occupants. The inhaled deposited dose rate provides an estimate of the number or mass of inhaled aerosol that deposits in each region of the respiratory system per unit time. In general, sub-micron particle number (PN<sub>1</sub>) dose rates ranged from 10<sup>9</sup> to 10<sup>12</sup> particles/h, fine particle mass (PM<sub>2.5</sub>) dose rates ranged from 3 to 216 µg/h, and coarse particle mass (PM<sub>10</sub>) dose rates ranged from 30 to 1600 µg/h. Dose rates were found to be dependent on the type and intensity of indoor combustion processes documented in the home. Dose rates were highest during cooking activities using a natural gas stove, heating via natural gas and kerosene, and smoking (shisha/tobacco). The relative fraction of the total dose rate received in the head airways, tracheobronchial, and alveolar regions varied among the documented indoor combustion (and non-combustion) activities. The significant fraction of sub-100 nm particles produced during the indoor combustion processes resulted in high particle number dose rates for the alveolar region. Suggested approaches for reducing indoor aerosol dose rates in Jordanian dwellings include a reduction in the prevalence of indoor combustion sources, use of extraction hoods to remove combustion products, and improved ventilation/filtration in residential buildings. |
| first_indexed | 2024-03-10T15:21:09Z |
| format | Article |
| id | doaj.art-dd1d3be651b24233896646c8eab3fa74 |
| institution | Directory Open Access Journal |
| issn | 2073-4433 |
| language | English |
| last_indexed | 2024-03-10T15:21:09Z |
| publishDate | 2020-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Atmosphere |
| spelling | doaj.art-dd1d3be651b24233896646c8eab3fa742023-11-20T18:28:29ZengMDPI AGAtmosphere2073-44332020-10-011111115010.3390/atmos11111150Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban HomesTareq Hussein0Brandon E. Boor1Jakob Löndahl2Department of Physics, The University of Jordan, Amman 11942, JordanLyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USADepartment of Design Sciences, Lund University, P.O. Box 118, SE-221 00 Lund, SwedenIndoor combustion processes associated with cooking, heating, and smoking are a major source of aerosols in Jordanian dwellings. To evaluate human exposure to combustion-generated aerosols in Jordanian indoor environments, regional inhaled deposited dose rates of indoor aerosols (10 nm to 25 µm) were determined for different scenarios for adult occupants. The inhaled deposited dose rate provides an estimate of the number or mass of inhaled aerosol that deposits in each region of the respiratory system per unit time. In general, sub-micron particle number (PN<sub>1</sub>) dose rates ranged from 10<sup>9</sup> to 10<sup>12</sup> particles/h, fine particle mass (PM<sub>2.5</sub>) dose rates ranged from 3 to 216 µg/h, and coarse particle mass (PM<sub>10</sub>) dose rates ranged from 30 to 1600 µg/h. Dose rates were found to be dependent on the type and intensity of indoor combustion processes documented in the home. Dose rates were highest during cooking activities using a natural gas stove, heating via natural gas and kerosene, and smoking (shisha/tobacco). The relative fraction of the total dose rate received in the head airways, tracheobronchial, and alveolar regions varied among the documented indoor combustion (and non-combustion) activities. The significant fraction of sub-100 nm particles produced during the indoor combustion processes resulted in high particle number dose rates for the alveolar region. Suggested approaches for reducing indoor aerosol dose rates in Jordanian dwellings include a reduction in the prevalence of indoor combustion sources, use of extraction hoods to remove combustion products, and improved ventilation/filtration in residential buildings.https://www.mdpi.com/2073-4433/11/11/1150aerosol dose ratelung depositionparticulate matter (PM)particle number size distributionsultrafine particleshuman exposure |
| spellingShingle | Tareq Hussein Brandon E. Boor Jakob Löndahl Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban Homes Atmosphere aerosol dose rate lung deposition particulate matter (PM) particle number size distributions ultrafine particles human exposure |
| title | Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban Homes |
| title_full | Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban Homes |
| title_fullStr | Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban Homes |
| title_full_unstemmed | Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban Homes |
| title_short | Regional Inhaled Deposited Dose of Indoor Combustion-Generated Aerosols in Jordanian Urban Homes |
| title_sort | regional inhaled deposited dose of indoor combustion generated aerosols in jordanian urban homes |
| topic | aerosol dose rate lung deposition particulate matter (PM) particle number size distributions ultrafine particles human exposure |
| url | https://www.mdpi.com/2073-4433/11/11/1150 |
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