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Towards Healthy Levels of Carbon Dioxide in Schools of the National Oil Company of Abu Dhabi
Advances in Meteorology ( IF 2.1 ) Pub Date : 2021-07-22 , DOI: 10.1155/2021/6680476
Ali Abu-Rahmah 1 , Rasheed Ahmad 1 , Abdelmaoula Haboub 2 , Yasmin Abu-Rahmah 1
Affiliation  

In their annual indoor air quality assessment for ADNOC Schools, the Abu Dhabi Education Council has reported hazardous levels (∼3000 ppm) of carbon dioxide in fifteen classrooms. Exposure of 5,090 students attending the school for ∼eight hours (typical school day) to such high levels of carbon dioxide would induce adverse health conditions like headaches, drowsiness, and lack of concentration on the short term and serious diseases like asthma and sick building syndrome on the long term. The Health, Safety, and Environment committee of the school has identified clogged air intake vents and dirty AC filters as the main cause of the high carbon dioxide concentrations reported. The outdoor (ambient) carbon dioxide level is measured and has an eight-hour average value of 419 ppm. After cleaning thoroughly, the indoor levels of carbon dioxide, temperature, and relative humidity were monitored simultaneously in each classroom and have average values of ∼1117 ppm, ∼24°C, and ∼37%, respectively. In addition, the average indoor-to-outdoor ratio of carbon dioxide has been improved from before cleaning the AC filters to an average ratio of () after cleaning. Thus, ventilation rates in the classrooms monitored in this project are adequate and the corrective actions taken were effective.

中文翻译:

在阿布扎比国家石油公司的学校中实现健康的二氧化碳水平

在 ADNOC 学校的年度室内空气质量评估中,阿布扎比教育委员会报告了 15 间教室中二氧化碳的危险水平(~3000 ppm)。5,090 名在校学生在大约 8 小时(典型的上课日)暴露在如此高浓度的二氧化碳中会导致不良健康状况,如头痛、嗜睡、短期注意力不集中以及哮喘和病态建筑综合症等严重疾病从长远来看。学校的健康、安全和环境委员会已确定进气口堵塞和空调过滤器脏是报告高二氧化碳浓度的主要原因。测量室外(环境)二氧化碳水平,八小时平均值为 419 ppm。彻底清洁后,室内二氧化碳水平,每间教室同时监测温度和相对湿度,平均值分别为~1117 ppm、~24°C 和~37%。此外,二氧化碳的平均室内外比从 在清洁交流过滤器之前,平均比率为()清洗后。因此,本项目监测的教室通风率充足,采取的纠正措施是有效的。
更新日期:2021-07-22
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