期刊
BUILDING AND ENVIRONMENT
卷 205, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.buildenv.2021.108237
关键词
Indoor air quality; Oncology units; Low-cost sensors; TVOCs; CO2; Particulate matter
资金
- Spanish Ministry for Science and Innovation (MCIN) [EIN2019-103405, CEX2018-000794-S]
- AGAUR [2017 SGR41]
IAQ assessment is crucial in oncology units to protect vulnerable patients, and monitoring campaigns in European units showed peak concentrations of TVOCs, PM2.5, and CO2 during daytime, primarily influenced by human activities and pharmaceutical products.
IAQ assessment is a priority in oncology units where high air quality standards must be guaranteed to protect vulnerable patients. To fill the existing knowledge gap on IAQ in oncology units, extensive monitoring campaigns were performed inside two European oncology units (Bari in Italy, 24th February 2018-31st July 2019; Barcelona in Spain, 18th July-26th November 2018) for high temporal resolution monitoring of total volatile organic compounds (TVOCs), fine particulate matter (PM2.5), CO2 and other environmental parameters. Selected lowcost sensors (Corvus IAQ monitor, Speck, ZyAura CO2 monitor) were deployed. Laboratory and field intercomparison of PM sensors with scientific-grade reference instruments was performed. TVOCs, PM2.5 and CO2 temporal profiles clearly show a regular weekday pattern with concentration peaks in daytime hours associated with higher human occupancy in the wards for scheduled chemotherapy treatments. Human occupancy (human emission and walking-induced particle resuspension), the administration of pharmaceutical products and the use of disinfectants and cleaning products predominantly affected TVOCs and PM2.5 concentrations in oncology wards. Although PM sensors showed low to moderate correlation with reference instruments (R2 = 0.34-0.66), this study provides additional evidence on their potential for inexpensive, real-time monitoring and detection of pollution events. Mitigation measures could be applied to improve IAQ in the investigated locations including more efficient scheduling, improved waiting room design and better ventilation strategies.
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