Journal
AIR QUALITY ATMOSPHERE AND HEALTH
Volume 6, Issue 4, Pages 737-746Publisher
SPRINGER
DOI: 10.1007/s11869-013-0207-x
Keywords
Indoor air quality; Building material; NVOC; TVOC; alpha-Pinene
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Funding
- Korea Forest Research Institute
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2012R1A6A3A03039668]
- National Research Foundation of Korea [2012R1A6A3A03039668] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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To protect public health from indoor volatile organic compounds (VOCs) exposure, it is critical to estimate the emission rate and characteristic by indoor building materials. To this end, four different types of lumbers (Pinus densiflora, Pinus koraiensis, Cryptomeria japonica, and Larix leptolepis) and four different types of artificial building materials (particleboard (PB), medium density fiberboard (MDF), plywood of Radiata Pine (PRP), and plywood of Oceania Timber (POT)) were used. Total VOC (TVOC) from lumbers, excluding P. koraiensis, showed the highest level of emissions on the first day, and the level tended to decline with the passage of time. In particular, TVOC from P. densiflora showed the highest level at 10,793 mu g/m(2) center dot h and only 40 % of TVOC reduced even after 14 days. On the other hand, TVOC from artificial building materials showed lower levels of emissions in the order of MDF > PRP > PB > POT. Furthermore, The TVOC emissions from lumbers were approximately 1.3-47.6 times higher than those of artificial building materials. However, the levels emitted from P. densiflora and P. koraiensis stabilized afterwards, and the natural VOC beneficial to the human body was confirmed to exceed 90 %, most of which comprised alpha-pinene, beta-pinene, d-limonene, camphene, and alpha-terpinene.
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