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일부 공단지역 내 이산화질소에 의한 개인노출 농도에 관한 연구
전용택,양원호,조태진,손부순,Jeon, Yong-Teak,Yang, Won-Ho,Cho, Tea-Jin,Son, Bu-Soon 한국환경보건학회 2009 한국환경보건학회지 Vol.35 No.1
This study was conducted in industrial area. The level of nitrogen dioxide was measured indoor, outdoor, work and personal in an study area within 5 km from source of pollution and control area 15 km farther from August, 2006 to September. The followings are the summary of this research. The concentration of the indoor and the outdoor $NO_2$ levels in the industrial area are 18.41$\pm$6.35 ppb, 18.51$\pm$3.26 ppb each, and the indoor/outdoor concentration rate is 0.99. The concentration of $NO_2$ in the workplace is 18.59$\pm$10.16 ppb, and the individual exposure rate is 18.80$\pm$5.71 ppb. The concentration of the indoor and the outdoor $NO_2$ levels control area are 12.57$\pm$3.82 ppb, 9.68$\pm$2.16 ppb each, and the indoor/outdoor concentration rate is 1.33. The personal exposure rate is 14.49$\pm$10.06 ppb. The residents of the each area and those of the comparative area spend 80.9% and 76.9% each their time in the indoor. It shows they spend most of their time in indoor. The predictions of the individual exposure rates in the industrial area and the comparative area are 15.10$\pm$6.14 ppb and 10.52$\pm$3.82 ppb each, The concentration levels measured by passive sampler are 18.80$\pm$5.71 ppb and 14.49$\pm$10.34 ppb each. The result of the research is the analysis of the personal exposure rate in indoor, outdoor and workplace of industrial area. This research may bo used as a basic data to manage and to establish the plan for $NO_2$ gas of the industrial area.
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충남지역 일부 다중이용시설에서 Bioaerosol의 농도에 관한 연구
이치원(Che Won Lee),이종대(Jong Dae Lee),전용택(Yong Teak Jeon),손부순(Bu Soon Son) 한국실내환경학회 2006 한국실내환경학회지 Vol.3 No.1
We surveyed the concentrations of PM₁?, O₃, and bioaerosol in public facilities including restaurants, offices, and private academies in Chung-Nam province area. During 3 months (from August 30, 2005), the bioaerosol concentrations were measured by a single stage air cascade sampler using the inertia collision catching method for the flux of 28.29 ℓ/min. The mean values were measured as 101.1㎍/㎥ for PM₁? and 12.4 ppb for O₃. The concentrations of colony for bacteria and fungi were 464 and 287 CFU/㎥ in restaurants, 223 and 271 CFU/㎥ in offices, and 259 and 107 CFU/㎥ in private academics. It is thus suggested that the regulation of indoor air conditions should be amended to control the quantity of bioaerosol in public facilities.
ScienceON
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