Monitoring of the Inorganic Pollutants in Built Indoor Environment

Vasile, Vasilica; Dima, Alina Mihaela; Ion, Mihaela C.

doi:10.37358/rc.17.1.5395

Cited by 6 publications

(5 citation statements)

References 18 publications

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“…Thus, changes in the density, distribution and morphology of the stomata on the foliar surface, as well as the occurrence of necrotic spots at the foliar level, the multiplication and dimension increase of the stomata's, are important aspects correlated with the effect of ozone pollution [20,21]. Measurements in the two tested areas showed high ozone concentrations (93µg /m 3 in the UG area and 96µg /m 3 in I Zone) without exceeding the value limit for human health protection (120µg /m 3 ) [22,23].…”

Section: Resultsmentioning

confidence: 99%

Bioindicators in Air Quality Assessment

Cozea¹,

Bucur²,

Lehr³

et al. 2018

Rev. Chim.

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The study aims to assess the identification of the specific species of plants for selection of certain plant species and utilization of selected one�s in experimental biomonitoring studies.The purpose of the proposed study was to develop and apply new techniques, methods and methodologies for air quality assessing in the context of climate change and updating of international environmental studys. The novelty of the active biomonitoring method using plants is an innovative research area for the National Research and Development Institute for Industrial Ecology in terms of the use of sentinel species. The first stage research activity was aimed to identify plant species with specific response to certain environmental pollutants, in our case, ozone. By exposing higher plants (from the Solanaceae family) to various environmental conditions, a direct impact measurement of ground-level ozone was considered - as an indicator of environmental pollution (air) - there was a significant difference relationship between soil level ozone variation and foliar necrosis.

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Section: Resultsmentioning

confidence: 99%

Bioindicators in Air Quality Assessment

Cozea¹,

Bucur²,

Lehr³

et al. 2018

Rev. Chim.

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“…A database compiling indoor concentrations in office buildings was developed by including the results from 69 studies 19,21,25‐91 . Of these, 12 are reports from the French air quality monitoring network 55‐59,63‐67,70,71 .…”

Section: Methodsmentioning

confidence: 99%

Indoor air pollutant health prioritization in office buildings

2020

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This work presents an original method to identify priority indoor air pollutants in office buildings. It uses both a chronic risk assessment approach by calculating a hazard quotient, and a hazard classification method based on carcinogenic, mutagenic, reprotoxic, and endocrine disruptive effects. A graphical representation of the results provides a comprehensive and concise visualization of all of the information, including the number of buildings where each substance was measured, an indicator of exposure data robustness. Seventy-one out of 342 substances (20%) for which indoor air concentrations have already been measured in office buildings were identified as priority pollutants. The results were compared to previous prioritization studies in various types of indoor environments to assess the reliability of the method and highlight its advantages. Sensitivity analyses were performed to reduce the geographical scope (OECD countries only), time scope (after 2010 only), and measurement duration (working hours only) and showed little influence on the results. Finally, 123 additional substances that could be present in office indoor air but could not be assessed due to the lack of measurement data are proposed for future monitoring surveys to update the prioritization of indoor air pollutants in offices.

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“…It is interesting to note that, the same high concentrations are found in the bedrooms leading to the conclusion that these spaces are deficient in terms of ventilation and of the assurance of necessary fresh air. Also, the average concentration values of carbon dioxide, monitored in office spaces during March-April 2012 (National Project PN 09 14 04 02, 2012) [11] were between 661 ppm and 1,018 ppm, those recorded in the period of February-March 2015, ranged between 888 and 1,668 ppm (Vasile et al, 2017) [12], and those monitored in November 2015, inside the spaces for the educational process in higher education (chemistry lab), were between 912 ppm and 990 ppm [5-9], over the permissible limit of 800 ppm [10]. Average concentrations of carbon dioxide between 1,720 ppm and 4,302 ppm (National Project PN 09 14 04 02, 2015) [13,14], two to five times the tolerable limit of 800 ppm, as determined by OSHA [10], were recorded in the investigated educational sites (kindergartens, secondary and high schools) during September-October 2015, and when talking about spaces where children are working, ages ranging from 3 to 17 years, have a particularly worrying situation with a strong negative impact on the educational process, which must be an alarm signal.…”

Section: Introductionmentioning

confidence: 99%

Comparison of indoor air pollutants concentration in two Romanian classrooms

et al. 2018

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This paper investigates the air pollutions in space ventilated in two High School classrooms. The analysis consists of comparison of one classroom with hybrid ventilation system and another one stander-by classroom with natural ventilation. Several studies regarding indoor air quality during the experimental campaign have been done for VOC, CO 2 , CO, other pollutants, keeping monitored for humidity and temperature. The experimental demonstrated that the highest value for CO 2 in stander-by classroom is 2691 ppm and in classroom with hybrid ventilation is 1897 ppm, while values for CO are 1.1 / 1.1 ppm and VOC 0.14 / 0.06 ppm, better use hybrid ventilation.

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Monitoring of the Inorganic Pollutants in Built Indoor Environment

Cited by 6 publications

References 18 publications

Bioindicators in Air Quality Assessment

Bioindicators in Air Quality Assessment

Indoor air pollutant health prioritization in office buildings

Comparison of indoor air pollutants concentration in two Romanian classrooms

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