• 한국산업보건학회지
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• 제23권3호
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• pp.222-228
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• 2013

Objectives: The indoor air quality of newly-built (NC) and remodeled (RC) school classrooms was assessed. The primary aim was to show correlations between volatile organic compounds (VOCs) and formaldehyde (HCHO) pollutant levels. Methods: This study investigated the indoor air concentrations of VOCs and HCHO at 26 sites of newly built and 68 sites of remodeled classrooms located in South Gyeongsang Province between 2010 and 2012. VOCs in the indoor air were determined by adsorbent tube (Tenax TA) and automatic thermal desorption coupled with GC-MS analysis. Target analytes were five VOCs: benzene, toluene, ethylbenzene, xylene, and styrene. HCHO was collected with a 2,4-DNPH cartridge and analyzed by HPLC. Conclusions: This study estimated that indoor VOCs and HCHO concentrations in the classrooms were mainly affected by interior building materials and classroom equipment. For proper indoor air quality in schools, classroom air should be improved through reduction of hazardous materials by adequate ventilation, selecting environmental friendly materials, etc.

• 한국환경보건학회:학술대회논문집
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• 한국환경보건학회 2004년도 International Conference Global Environmental Problems and their Health Consequences
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• pp.223-226
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• 2004

Building materials emit high concentration volatile organic compounds(VOCs), formaldehyde(HCHO) and other hazardous air pollutants(HAPs) to indoor environment. Average value of VOCs and HCHO emission concentration were $3,770\;{\mu}g/m^3$, $430\;{\mu}g/m^3$ in newly buildings, respectively. VOCs and HCHO emission characteristic are high emission level at initial time and decreased in course of time.

• 대한설비공학회:학술대회논문집
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• 대한설비공학회 2005년도 하계학술발표대회
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• pp.12-12
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• 2005

• 한국주거학회논문집
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• 제16권4호
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• pp.101-108
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• 2005

Because of the airtightness of building, misuse of building materials and abuse of furniture, indoor air pollution problems have been increasingly concerned especially with apartment buildings. To improve the IAQ(Indoor Air Quality) in apartment building, this study was aimed at analyzing the factor of interior building material and furniture and calculating the ventilation rate of living room and bed room according to the surface area of interior building material and furniture in terms of VOCs(Volatile Organic Compounds) and HCHO(Formaldehyde). The results of this study are as follows; 1) In the concerned rooms, the living room has less pollution emission rate L(surface area/volume) than that of the bed room but, the living room needs more ventilation rate than that of the bed room because of built-in furniture in terms of VOCs and HCHO. 2) Built-in interior furniture is very important factor in IAQ problems of apartment building, but until now there is no provision about the built-in furniture, so that the provision must be regulated to control the IAQ. 3) To control the IAQ problem, the effective ventilation plans must be established according to the required ventilation rate by means of natural or mechanical ventilation method.

• 대한설비공학회:학술대회논문집
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• 대한설비공학회 2008년도 하계학술발표대회 논문집
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• pp.742-747
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• 2008

Formaldehyde(HCHO) and total volatile organic compounds(VOCs) can cause adverse health effects to the building occupants and may contribute to symptoms of 'Sick Building Syndrome'. These chemical contaminants are emitted from furnishings and electronic equipments as well as building materials. The purpose of this study is to measure and analyze VOCs and HCHO emission concentration from furnitures composed of wood materials including various chemicals by the large chamber method. This paper presents experiment results on the emission concentration of TVOCs and HCHO released from furnitures, such as bed, kitchen, sofa and table by a large chamber($24m^3$). The temperature and air humidity in the chamber are controlled to $25{\pm}1{\circ}C$ and $50{\pm}5%$ for this experiment. When the air change rate is $0.5hr^{-1}$, the background concentrations within the large chamber are below $50{\mu}g/m^3$ for TVOC, $5{\mu}g/m^3$ for HCHO and individual VOCs. The study is investigated the characterization of the chemical emission TVOC and HCHO concentrations and unknown VOCs from 6 furnitures.

• 대한설비공학회:학술대회논문집
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• 대한설비공학회 2007년도 동계학술발표대회 논문집
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• pp.126-131
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• 2007

This study aims to present the fundamental strategies for improving the Indoor Air Quality(IAQ) in newly-constructed apartment buildings. To investigate the concentration of indoor air pollutants such as HCHO and VOCs and the field measurement were conducted. According to the field measurement of 60 new houses in spring season, the concentration of HCHO in about 20% were higher the IAQ standards.

• 대한설비공학회:학술대회논문집
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• 대한설비공학회 2006년도 하계학술발표대회 논문집
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• pp.289-294
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• 2006

Interior finishing materials are known as main VOCs and formaldehyde emission sources in residential buildings. The interior finishing materials are usually comprised of several layers with different emission properties, which complicates the emission patterns of the finishing materials. Thus, experiments on composite finishing materials and each of layers are needed to understand the emission characteristics of interior finishing materials. Results indicate that composite finishing materials have the various emission characteristics according to compositions of the materials and kinds of contaminants. Mostly, the emission rates of composite materials are higher than that of the single layer materials. The main reason is assumed to be rapid diffusion of contaminants from the bottom layer material into the top layer material.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 2006년도 춘계학술발표회 논문집(I)
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• pp.542-545
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• 2006

In the domestic atmosphere environment, the VOCs and the NOx have a large proportion of the pollutant, and the HCHO is the main environmental pollutant factor within the house. In this study, the inorganic paint which can absorb and remove VOCs, NOx and HCHO is developed by using day-titania carrier. The basic data to develope eco-friendly inorganic paint is collected with the performance test to remove the VOCs, NOx and HCHO in the condition of the addition of several inorganic materials to the paint, and also the plan to practical use of eco-friendly inorganic paint is studied.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 2005년도 추계 학술발표회 제17권2호
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• pp.655-658
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• 2005

In the domestic atmosphere environment, the VOCs and the NOx have a large proportion of the pollutant, and the HCHO is the main environmental pollutant factor within the house. In this study, the inorganic paint which can absorb and remove VOCs, NOx and HCHO is developed by using clay-titania carrier. The basic data to develope eco-friendly inorganic paint is collected with the performance test to remove the VOCs, NOx and HCHO in the condition of the addition of several inorganic materials to the paint, and also the plan to practical use of eco-friendly inorganic paint is studied.

• 한국대기환경학회:학술대회논문집
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• 한국대기환경학회 2003년도 추계학술대회 논문집
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• pp.261-262
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• 2003

현대인들은 하루 중 80∼90％ 이상의 많은 시간을 실내에서 생활하고 있어 실내에서의 발생되는 오염물질에 대한 특성파악은 무엇보다도 중요하다. 실내오염물질의 종류와 발생원은 매우 다양하며, 최근에는 산업발달과 더불어 수 많은 종류의 새로운 복합화합물질들이 발생되고 있다. 신축건물에 사용되는 건축자재는 휘발성유기화합물(VOCs)과 포름알데히드(HCHO)등의 다양한 유해화학물질들을 방출하고 실내공기질을 악화시키는 것으로 조사되고 있다. (중략)