Faraday Ediagbonya Thompson, Osarodion Osaruwemnse Peter, Ifeanyi Uche Joseph, Omowunmi Famuyiwa Susan, Emmanuel Olowofoyeku Ayobamiji
Department of Chemical Sciences, Olusegun Agagu University of Science and Technology, Okitipupa, Ondo State, Nigeria.
Faculty of Environmental Studies, University of Lay Adventist Kigali, Kigali, Rwanda.
Environ Anal Health Toxicol. 2025 Mar;40(1):e2025006-0. doi: 10.5620/eaht.2025006. Epub 2025 Feb 26.
The present investigation aimed to detect volatile organic compounds (VOCs) in the atmospheric environment of Ondo State, Nigeria. This study used a thorough analytical process to measure VOCs in air samples taken from various places within Ondo State using a portable gas detector and their connection with meteorological data. These fluctuations were related to both natural and anthropogenic activity, such as burning of forest, industrial processes, transportation, and agricultural practices. This study offers important information to the larger discussion on environmental contamination and provides a framework for Ondo State's decision-making and policy development. The average TVOC concentration (measured in mg/m3) during wet conditions is 0.96 ± 0.84, which is significantly lower than the average of 1.98 ± 0.85 during dry conditions. The mean temperature (°C) in wet conditions is 32.83 2.03, which is a little lower than the mean (33.77 ± 2.06) in dry conditions. The mean wind speed (in m/s) during wet conditions is 1.77 ± 0.69, which is greater than the mean wind speed (in m/s) during dry conditions of 1.37 ± 0.69. Mean value of humidity for wet situations is 71.80 ± 3.91, which is a little lower than the mean value for dry conditions, which is 73.47 ± 4.07.similar to those for temperature, show that this difference in humidity is not statistically significant. This work evaluated the potential health risks associated with TVOC. The total hazard quotient (THQ) for adult was 4.0 x 10⁻⁷ for children 4.40 x 10⁻⁷. The children's HQ ranged from 0.36 to 1.70. The adult's ranged from 1.31 to 6.19. However, it was discovered that the health risk posed by breathing in atmospheric TVOC was far higher than the USEPA limits, where HQ >1.
本调查旨在检测尼日利亚翁多州大气环境中的挥发性有机化合物(VOCs)。本研究采用了全面的分析方法,使用便携式气体探测器测量从翁多州各地采集的空气样本中的VOCs,并分析其与气象数据的关系。这些波动与自然和人为活动有关,如森林燃烧、工业生产、交通运输和农业活动。本研究为关于环境污染的更广泛讨论提供了重要信息,并为翁多州的决策和政策制定提供了框架。潮湿条件下TVOC的平均浓度(以mg/m³为单位)为0.96±0.84,显著低于干燥条件下的平均值1.98±0.85。潮湿条件下的平均温度(℃)为32.83±2.03,略低于干燥条件下的平均值(33.77±2.06)。潮湿条件下的平均风速(以m/s为单位)为1.77±0.69,大于干燥条件下的平均风速(以m/s为单位)1.37±0.69。潮湿情况下的平均湿度值为71.80±3.91,略低于干燥条件下的平均值73.47±4.07。与温度情况类似,湿度的这种差异在统计学上不显著。本研究评估了与TVOC相关的潜在健康风险。成人的总危害商(THQ)为4.0×10⁻⁷,儿童为4.40×10⁻⁷。儿童的危害商范围为0.36至1.70,成人的范围为1.31至6.19。然而,研究发现,吸入大气中TVOC所带来的健康风险远高于美国环境保护局(USEPA)设定的限值(HQ>1)。