Indoor air quality in an Antarctic Research Station: Fungi, particles and aldehyde concentrations associated with building materials and architectural design

2017 ◽  
Vol 27 (10) ◽  
pp. 1322-1340
Author(s):  
Érica Coelho Pagel ◽  
Neyval Costa Reis ◽  
Cristina Engel de Alvarez ◽  
Jane Méri Santos ◽  
Sandra Paule Beghi ◽  
...  

Antarctic buildings are enclosed structures, which provide shelter and logistic support to researchers and personnel who remain indoors for long periods and can be affected by air pollution caused by construction materials and activities inside buildings. This study aims to investigate the indoor air quality at the Brazilian Comandante Ferraz Antarctic Station based on measurements of aldehydes, particulate matter and fungi conducted during the Antarctic summer in 2012. The sampling site was divided in conditioned (personnel living quarters) and unconditioned (service and utilities areas) compartments and outdoor sites. A field log book was used to record the activities in the station. Furniture and plywood coverings may have contributed to high average concentrations of formaldehyde. Cooking resulted in high average levels of acrolein and fine particles in most of the monitored environments. Other activities such as cleaning, use of personal and cosmetic products, waste incineration, building maintenance and movement of people and vehicles have also contributed to particles concentration increase. Dominance of the species Aspergillus versicolor and Penicillium sp. showed potential means of fungal proliferation. Considering that the functionality and operation are similar in many Antarctic buildings, some general recommendations were outlined.

2019 ◽  
Vol 111 ◽  
pp. 02017 ◽  
Author(s):  
Mervi Ahola ◽  
Jorma Säteri ◽  
Laura Sariola

The Finnish Society of Indoor Air Quality and Climate (FiSIAQ) introduced a Classification of Indoor Climate, Construction Cleanliness, and Finishing Materials in 1995. The Classification of Indoor Climate has been revised to meet the new Decree on indoor air quality and ventilation, European standards and experience from users of the classification. The most significant change is that target values for concentration and the in/out ratio of fine particles have been added. Other adjustments have been made to ensure good indoor environment and energy efficiency, but with reasonable investments. The criteria for emissions from building material and furniture were also updated. The Building Information Foundation RTS sr has run the M1-labelling of building products since 1996. The voluntary approach has been proven to improve the IAQ in new buildings and to reduce emissions from building materials. The Classification of Indoor Environment 2018 is integrated part of the new RTS Environmental Classification system.


Buildings ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 250
Author(s):  
Chuloh Jung ◽  
Jihad Awad

Due to unprecedented urbanization, UAE had built many new residential projects with poor choices of material and ventilation. This social phenomenon is leading UAE to Sick Building Syndrome (SBS) faster than any other countries. The Dubai Municipality regulates the indoor air quality with strict stipulation, but the detailed regulations are still insufficient. The objective of this paper is to measure the indoor air quality of new residential projects in Dubai to suggest the improvement of the regulations for indoor air quality. As a methodology, a field survey was conducted to investigate the status of indoor air pollution in residential buildings. Based on the field survey data, lab experiments for building materials were conducted and a computer simulation on radon gas was conducted. The result had shown that radon gas was mainly detected in new townhouses and labor camp houses, and its concentration was found to exceed the standard. Volatile organic solvents (VOCs) and formaldehyde (CH2O) were mainly detected in showhouses and new townhouses, and the concentration distribution was about 10 times higher than that of outdoors. It was proven that emission concentration of radon gas from various building materials were detected, and the order was red clay, gypsum board, and concrete. Volatile organic solvents (VOCs) are mainly detected in oil paints and PVC floor and the radiation amount of all pollutants increased with temperature increase. In computer simulation, it was found that a new townhouse needs a grace period from 20 days to 6 months to lower the radon gas concentration by 2 pCi/L. This study will serve as a basic data to establish more detailed regulation for the building materials and improve the IAQ standards in Dubai.


2011 ◽  
Vol 20 (1) ◽  
pp. 26-35 ◽  
Author(s):  
Qi Zheng ◽  
Donghoon Lee ◽  
Sungho Lee ◽  
Jeong Tai Kim ◽  
Sunkuk Kim

As illnesses attributable to deteriorating indoor air quality (IAQ) increase, people are becoming more aware of the health effects of IAQ because most people in Korea spend >80% of their time indoors. Notably, the IAQ of apartment buildings accounts for a massive share of the construction volume in Korea, which is a highly critical issue. Evaluation of health effects of IAQ would influence not only the statutory criteria for air quality improvement but could also contribute to the development of building design standards. In addition, such evaluation supports quantification efforts for the selection of wholesome construction materials and techniques. Evaluation of the health effects of IAQ is a complex exercise that would require comprehensive consideration of factors such as the concentrations and occurrences of various known, harmful indoor pollutants, ventilation performance in a building and temperature/humidity. Evaluation involves not only quantitative assessment of pollutants but also evaluation of IAQ based on human perception. The aim of this study was to develop a model to evaluate IAQ in quantitative terms based on health impact, but with an emphasis on apartment buildings.


2018 ◽  
Vol 4 (11) ◽  
pp. 2596 ◽  
Author(s):  
Syahrun Neizam Mohd Dzullkiflli ◽  
Abd Halid Abdullah ◽  
Lee Yee Yong ◽  
Abdul Mutalib Leman ◽  
Samiullah Sohu

Problem related with indoor air quality (IAQ), is rapidly becoming a major health issue as people spend almost 90% of their time indoors. Museums were established in Malaysia more than hundred years ago. Since the year 2005, Malaysia has been moving away from constructing new buildings in favour of refurbishing historic and old ones. A healthy environment at the museum building has been identified as one of the important element that must been considered, but it is not sure either IAQ in the museum building provide a good air quality or not. The purpose of this study is to determine the actual indoor environment of the museum building in Melaka. In this study, the IAQ measurement were conduct for six days at the Melaka Sultanate Palace Museum and at the History and Ethnography Museum. During the measurement, IAQ parameters of gaseous pollutant of nitrogen dioxide, sulfur dioxide and carbon dioxide, and particulate matter of fine particles were recorded by using specific IAQ equipment. The finding of this study indicates that the distance of buildings from roadways appears to have an impact on indoor environmental levels, especially for nitrogen dioxide, sulfur dioxide and particulate matter. Based on the results, only gaseous pollutant of sulfur dioxide had not exceeding the acceptable TLV compared to the other IAQ pollutants.


2018 ◽  
Vol 28 (4) ◽  
pp. 506-519 ◽  
Author(s):  
Josefin Persson ◽  
Thanh Wang ◽  
Jessika Hagberg

The use of an airtight frame in low-energy buildings could increase the risk of health-related problems, such as allergies and sick building syndromes (SBS), associated with chemical emissions from building materials, especially if the ventilation system is not functioning properly. In this study, the indoor air quality (IAQ) was investigated in newly built low-energy and conventional preschools by monitoring the indoor air temperature, relative humidity, particle-size distribution and levels of carbon dioxide (CO2), nitrogen dioxide (NO2), formaldehyde and total volatile organic compounds (TVOC). The thermal comfort was satisfactory in all preschools, with average indoor air temperature and a relative humidity at 21.4°C and 36%, respectively. The highest levels of TVOC (range: 130–1650 µg/m3 toluene equivalents) and formaldehyde (range: 1.9–28.8 µg/m3) occurred during the first sampling period associated with strong emissions from building materials. However, those preschools constructed with environmental friendly building materials (such as Swan Eco-label) had lower initial TVOC levels compared to those preschools constructed with conventional building materials. The IAQ and indoor chemical emissions were also strongly dependent on the functioning of the ventilation system. Preliminary risk assessment indicated that exposure to acrolein and crotonaldehyde might lead to respiratory-tract irritation among occupants.


PLoS ONE ◽  
2017 ◽  
Vol 12 (5) ◽  
pp. e0177718 ◽  
Author(s):  
Neil E. Klepeis ◽  
John Bellettiere ◽  
Suzanne C. Hughes ◽  
Benjamin Nguyen ◽  
Vincent Berardi ◽  
...  

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