Seasonal Variation, Sources, and Health Risk Assessment of Indoor/Outdoor BTEX at Nursery Schools in Hanoi, Vietnam

Tran, Dinh Trinh; Nguyen, Truong X.; Nguyen, Hien Thi Thu; Vo, Ha Thi Le; Nghiem, Trung-Dung; Le, Tuyen Huu; Dao, Duc Sy; Nguyen, Noi Van

doi:10.1007/s11270-020-04635-6

Cited by 12 publications

(8 citation statements)

References 52 publications

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“…The sources of VOCs reported in the included studies were household products, cleaning agents, glue, personal care products, building materials, solvents, smoking and vehicle emissions. Formaldehyde levels were particularly high in new houses with new furniture [ 6 , 69 , 70 ]. The four most reported VOCs were toluene, m-/p-xylene, alpha-pinene and delta-limonene [ 63 ].…”

Section: Resultsmentioning

confidence: 99%

“…The following are available online at , Table S1. Quality Report [ 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , ...…”

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Indoor Air Pollution and the Health of Vulnerable Groups: A Systematic Review Focused on Particulate Matter (PM), Volatile Organic Compounds (VOCs) and Their Effects on Children and People with Pre-Existing Lung Disease

Maung

Bishop

Holt

et al. 2022

IJERPH

112

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Air pollution affects health, but much of the focus to this point has been on outdoor air. Higher indoor pollution is anticipated due to increasingly energy-efficient and less leaky buildings together with more indoor activities. Studies of indoor air pollution focusing on children and people with respiratory disease from the database Web of Science (1991–2021) were systemically reviewed according to the PRISMA guidelines, with 69 studies included in the final selection. Emissions from building materials affected indoor air quality, and ventilation also had an influence. The main indoor air pollutants are Volatile Organic Compounds (VOCs) and Particulate Matter (PM). PM sources included smoking, cooking, heating, candles, and insecticides, whereas sources of coarse particles were pets, housework and human movements. VOC sources included household products, cleaning agents, glue, personal care products, building materials and vehicle emissions. Formaldehyde levels were particularly high in new houses. Personal exposure related to both indoor and outdoor pollutant levels, highlighting home characteristics and air exchange rates as important factors. Temperature, humidity, educational level, air purifiers and time near sources were also related to personal exposure. There was an association between PM and Fractional exhaled Nitric Oxide (FeNO), lung function, oxygen saturation, childhood asthma and symptoms of chronic obstructive pulmonary disease (COPD) patients. High VOCs were associated with upper airways and asthma symptoms and cancer. Effective interventional studies for PM in the future might focus on human behavior together with air purifiers and increased ventilation, whereas VOC interventions might center more on building materials and household products, alongside purification and ventilation.

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Section: Resultsmentioning

confidence: 99%

unclassified

Indoor Air Pollution and the Health of Vulnerable Groups: A Systematic Review Focused on Particulate Matter (PM), Volatile Organic Compounds (VOCs) and Their Effects on Children and People with Pre-Existing Lung Disease

Maung

Bishop

Holt

et al. 2022

IJERPH

112

View full text Add to dashboard Cite

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“…Monte-Carlo simulation is a frequently used sampling method to perform parameter uncertainty analysis [60]. In the current study, several input factors such as material quantities for the production of both the filter cake geopolymer cement and CEM-I mortar can be considered as uncertain.…”

Section: Sensitivity Analysis Using Monte-carlo Simulationmentioning

confidence: 99%

“…Using a curve-fitting exercise, several datasets of power values were simulated into a probability distribution. Monte-Carlo simulations were then performed with 10,000 iterations to explore variations in GHG emissions due to commercial production with a statistical significance of 0.05 [60].…”

Section: Scenario 1 (Sc1): Investigation Of Emission Variations Due T...mentioning

confidence: 99%

A new framework for assessing the environmental impacts of circular economy friendly soil waste-based geopolymer cements

Sandanayake

Law

Sargent

2022

Building and Environment

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“…Among these, toluene is used in various fields for many purposes, such as a solvents in paint, lacquers, thinner, glue and nail polish, as well as in leather tanning [6,7]. It is also used as an octane booster in gasoline fuels in internal combustion engines, and in cosmetic and personal care products [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Sorption of Organic Contaminant during Two-Dimensional Transport in Saturated Sand

Lee

Choi

2021

Water

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Multi-dimensional transport studies are necessary in order to better explain the fate of contaminants in groundwater. In this study, a two-dimensional transport experiment with organic contaminants in saturated sand was conducted to investigate the migration of the organic contaminant plume in multi-dimensional flow conditions. The transport test was conducted using toluene as a model organic contaminant in a saturated sand box under steady flow conditions. The initial plume was generated via injection at a point source. After 24 h, the plume distribution was delineated by interpolating toluene concentrations in the porewater samples. The mass centers of the toluene and the conservative tracer were almost coincident, but the size of the toluene plume was significantly reduced in longitudinal as well as transversal directions. The appropriateness of several types of sorption models were compared to describe the toluene sorption in two-dimensional transport system using numerical modeling. Among the sorption models, the Langmuir model was found to be the most appropriate to describe the sorption of toluene during two-dimensional transport. The results showed that two-dimensional experiments are better than one-dimensional column experiments in identifying the adsorption characteristics that occur during transport in saturated aquifers.

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Seasonal Variation, Sources, and Health Risk Assessment of Indoor/Outdoor BTEX at Nursery Schools in Hanoi, Vietnam

Cited by 12 publications

References 52 publications

Indoor Air Pollution and the Health of Vulnerable Groups: A Systematic Review Focused on Particulate Matter (PM), Volatile Organic Compounds (VOCs) and Their Effects on Children and People with Pre-Existing Lung Disease

Indoor Air Pollution and the Health of Vulnerable Groups: A Systematic Review Focused on Particulate Matter (PM), Volatile Organic Compounds (VOCs) and Their Effects on Children and People with Pre-Existing Lung Disease

A new framework for assessing the environmental impacts of circular economy friendly soil waste-based geopolymer cements

Nonlinear Sorption of Organic Contaminant during Two-Dimensional Transport in Saturated Sand

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