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Characteristics of TVOCs Emissions in New Apartment Buildings
김신도,김정호,박진수,이정주 한국실내환경학회 2006 한국실내환경학회지 Vol.3 No.2
Building materials are composed of very complex chemical compounds. The aims of this paper are (1) to investigate of the emission concentration from new apartment house, (2) and the emission variation during 75 days. Average value of Total Volatile Organic Compounds (TVOCs) concentration was 3,768 ㎍/㎥ in five new apartments. Major VOCs were included toluene, ethylbenzene, m,p-xylene and o-xylene. The average concentrations were benzene 58㎍/㎥, toluene 793㎍/㎥, ethylbenzene 438㎍/㎥, styrene 79㎍/㎥, m,p-xylene 1,210㎍/㎥, o-xylene 364㎍/㎥, respectively. The results indicated that the major VOCs from the new apartment were effected by building products which based on aromatic hydrocarbon compounds. TVOCs emission characteristics are high emission level at initial time showing 12,856 ㎍/㎥ and decreased as time goes on. After a lapse of 75 days in sample house, TVOCs concentration was decreased in about 20 times as compared with initial concentration. The TVOCs emission profiles strongly depended on the generation mode and the concentration of the VOCs in building material.