• Journal of radiological science and technology
• /
• v.39 no.3
• /
• pp.361-368
• /
• 2016

As the tertiary industry is being developed, many problems are introduced in an industrial area in Korea. This study aims to investigate the residents' health conditions, such as the prevalence of metabolic syndrome and fatty liver diagnosed by ultrasonography, comparing the urban with the industrial areas. The subjects were 378 adults in the urban area and 376 adults in the industrial area. Subject variables accounted for were gender, age, drinking habits, smoking habits, physical activities, waist circumferences and BMI. In blood tests, fasting blood glucose, triglyceride, HDL, blood pressures, total cholesterol, AST, ALT and GGT were examined. Also, the presence and absence of fatty liver, diagnosed using ultrasonography, was investigated. As a result, the prevalence of metabolic syndrome were 43.7% in the urban area and 51.6% in the industrial area, hence it was significantly higher in the industrial area than in the urban area. Fasting blood glucose, triglyceride and waist circumference in the distribution of the individual components were 47.4, 53.7, and 16.1% in the urban area and 54.5, 61.5, and 22.9% in the industrial area respectively, so it was substantially higher in the industrial area than in the urban area. On the other hand, HDL, diastolic blood pressure, and fatty liver were 25.7, 43.4, and 44.7% in the urban area and 21.3, 19.9, and 36.7% in the industrial area respectively and thus it was much higher in the urban area than in the industrial area. In conclusion, this study shows that there were significant differences between the residents' health condition, comparing the urban area to the industrial area. Therefore, the precaution and aggressive management of metabolic syndrome may be necessary, in accordance with the characteristics of the industrial zone.

• The Korean Journal of Ecology
• /
• v.25 no.5
• /
• pp.329-334
• /
• 2002

In order to compare the lead and cadmium levels, studies of heavy metal accumulation of feral pigeons from rural (Deokjeok island), central urban (Seoul city), and industrial complexes (Ansan, Busan, Ulsan, and Yochon) were conducted. The outstanding result of this study is that feral pigeons in urban and industrial complex areas contain high Pb and Cd concentrations in kidney, bone, liver, and lung tissues compared to those of rural areas. Such a trend was prominent in the target organs, bone and kidney, about 10 times greater than in rural areas. On the other hand, the lead levels of the Yochon Industrial Complex were noticeably lower than those of other industrial complex areas. Not only feral pigeons habit of street and ground feeding, but also atmospheric metal concentration offers an explanation for the heavy metal concentration differences in the study areas.

• Proceedings of the Korea Air Pollution Research Association Conference
• /
• 2000.04a
• /
• pp.247-248
• /
• 2000

본 연구는 대전 3, 4 공단 지역을 대상으로 발암 금속 6종(As Be, Cd, Cr, Ni, 및 Pb)을 포함한 15종의 독성 금속을 선정하여 3, 4 공단과 주변 지역내 5개 지점에서 유도결합 플라스마 분광법(ICP-MS)을 이용하여 계절별 3회씩 1년간 분석하고 이 농도 자료에 근거하여 위해도 평가를 하고자 한다 대전 3. 4공단 지역은 110여개의 생산업체가 밀집되어 있는 지역으로 대전 1, 2 공단 지역과 더불어 대전시내 대기중 독성 금속의 오염이 가장 심하리라 예상되는 지역이다.(중략)

• Journal of Korean Society of Environmental Engineers
• /
• v.32 no.1
• /
• pp.61-68
• /
• 2010

In this study, we investigated the concentrations of volatile organic compounds (VOCs) in Shiwha area and compared the characteristics of both industrial area and residential area. The passive samplers were set 6 times each for a month in 21 locations at industrial and residential area to obtain 6 VOCs including benzene, trichlorobenzene, toluene, ethyl benzene, xylene and stylene. Above all, toluene was the most abundant VOCs in the ambient air both in industrial and residential area. Average TVOC concentration of industrial area was 1.86 times higher than that of residential area, and it was greatly reduced in winter compared with summer. Furthermore, the average BTEX concentrations showed that all concentrations of industrial area were 1.94~5.39 times higher than those of residential area except benzene which were similar to each other. In winter, the concentration of ethyl benzene and xylene were significantly decreased by comparing with summer: but benzene concentrations were increased. Also, BTEX relative ratio was as follows: toluene>benzene>ethylbenzene>xylene. Correlation coefficients among VOCs were confirmed that VOCs in ambient air of industrial area were generally more related to each other than that of residential area. On the whole, the concentrations of VOCs in industrial area were higher, and it seems to be potential that industrial area affects the distribution of VOCs to residential area.

• The Korean Journal of Ecology
• /
• v.17 no.1
• /
• pp.69-78
• /
• 1994

The acidic deposition (wet) was collected at three different locations; representative industrial (Kun-Jang industrial areas), semiindustrial (Kunsan City) and nonindustrial (Daeya areas) region between March, 1991 and June, 1993. Samples were analyzed for major chemical components along with pH. Also the responses of Hypnum filunzaeforme to the acidic deposition adjusted to pH 4.6, 3.6 and 2.6 with 1:4 molar ratio of nitric to sulfuric acid were investigated. Seasonal variation of pH showed the lowest in early spring and the highest in summer. The annual mean concentrations of $S0_4^{2-},\;NO_3^{-}\;and\;NH_4^{+}$ were 2.94 (81.0%), 0.48 (13.2%) and 0.21 (5.78%) mg/l in industrial region and 0.61 (64.21%), 0.25 (26.3%) and 0.9 (9.5%) mg /I in nonindustrial region, respectively. $S0_4^{2-}$ contents of industrial region was 4 times higher than those of nonindustrial region. The ratio of $S0_4^{2-}\;to\;NO_3^{-}$ was 4.75~7.35 in industrial region and 0.69-6.36 in nonindustrial region. The acidic deposition near industrial region was associated with excess ions, expecially $S0_4^{2-}$. Nitrate reductase activity(NRA) of mosses was inhibited by acidic deposition in both regions. The time required for the maximum NRA induction by 2mM $KNO_3$ was shortened in mosses collected from industrial region. Photosynthesis of H. plumaejorme began to decrease with acidic deposition by pH below 4.6, and was completely inhibited at pH 2.6 in both regions. Water potential of mosses treated with acidic deposition was almost constant during 18 days, however after withholding the supply of acidic deposition, it was rapidly decreased.

• Environmental Analysis Health and Toxicology
• /
• v.22 no.2 s.57
• /
• pp.103-109
• /
• 2007

대기 중 휘발성유기화합물류(VOCs)의 배출원은 매우 다양하며, 특히, 공단에서 배출되는 VOCs 노출로 인한 공단 주변거주지역 주민에게 배출특성 및 물질별 독성에 따라 유해한 건강 영향을 끼칠 가능성이 있다. 또한 일반가정에서의 자체 실내 오염원 또한 휘발성유기화합물류의 노출의 한 원인이다. 본 연구에서는 공단 주변 거주지역 및 동일 행정구역상의 비교지역을 선정하여 공단배출로 인한 실내유입 VOCs 노출 및 자체 실내오염원으로 인한 농도분포 및 기여정도를 조사하였다. 본 연구에서 공단주변 거주지역 및 비교지역의 조사된 실내 평균 농도는 MTBE 2.24, $2.47{\mu}g/m^3$, benzene 9.82, $8.51{\mu}g/m^3$, toluene 103.80, $83.57{\mu}g/m^3$, ethylbenzene 36.45, $15.52{\mu}g/m^3$, xylene 26.27, $1.00{\mu}g/m^34로 비교지역 거주지에 비해 공단지역 주변거주지의 실내공기 중 VOCs 의 농도가 높은 것으로 나타났다. 최종적으로 I/O ratio를 비교한 결과 조사 거주지 모두 자체 실내오염원이 있는 것으로 관찰되었고, 공단지역 주변거주지의 경우 공단의 VOCs 배출로 의해 추가 노출이 되는 것으로 각각 조사되었다.

• Korean journal of applied entomology
• /
• v.56 no.1
• /
• pp.77-81
• /
• 2017

The results from our investigation showed differences in pine needle damage by Thecodiplosis japonensis Uchida et Inouye and indicate serious environmental pollution caused by a petrochemical industrial complex. The gall formation rate by T. japonensis near the industrial complex was 47.94% compared to 9.94% in the site farthest from the complex. The average length of pine needles damaged by T. japonensis near the industrial complex and farthest site were 4.5 cm and 4.9 cm, respectively. The average number of larvae in pine needle galls near the industrial complex and farthest site were 3.4 and 2.4, respectively. The average body length and width of fullgrown larvae near the industrial complex were 2.40 mm and 0.7 mm, respectively, whereas larvae in the site farthest from the complex were 2.45 mm in length and 0.71 mm in width.

• Proceedings of the Korean Environmental Sciences Society Conference
• /
• 2006.11a
• /
• pp.500-502
• /
• 2006

본 연구에서는 김해시 동지역을 중심으로 생활형태별로 상업지역, 주거지역, 도로지역, 공단지역으로 구분하여 Tenax TA로 3시간 간격으로 포집하여 일간 변화를 측정하였다. 이를 GC/MS를 이용하여 정량분석하여 생활형태별 일간 농도변화를 관측하였다. 생활형태별로 휘발성유기화합물의 농도는 도로지역, 공단지역, 상업지역, 주거지역 순으로 나타났으며, 시간에 따른 농도 변화는 오존전구 물질인 휘발성유기화합물의 반응이 빠른 낮시간보다 밤시간에 상대적으로 높게 검출되었다.

• Proceedings of the Korean Society of Soil and Groundwater Environment Conference
• /
• 1996.11a
• /
• pp.140-143
• /
• 1996

산성강하물이 산림토양에 미치는 영향을 조사하기 위하여 오염이 우려되는 공단지역(울산, 여천)과 대도시지역(서울, 부산), 그리고 비오염지역인 대조지역(평창, 삼천포)을 대상으로 이들 지역의 산림토양의 특성을 조사하였다. 또한, 이들지역 각각을 대표할 수 있는 산림토양에 인공산성비를 유출시켜 토양의 화학적 성질의 변화를 조사한 결과는 다음과 같다. - 조사지역별 토성분포는 일정한 경향을 보이지 않았으며, 전체 조사지역 토성은 양토(29.0%), 식양토(22.9%), 사양토(18.3%) 3종류가 분포율이 높았고, 이들이 전체의 70.2%를 차지하였다. - 조사지역 전체 산림토양 표토의 pH($H_2O$)는 4.41~5.14 범위로 평균 4.49이고, 심토의 pH($H_2O$)는 4.54 ~ 5.22 범위로 평균 4.69이었다. 지역별로 보면 공단지역(4.44) < 대도시지역(4.57) < 대조지역(5.08) 순서로 토양 pH가 낮은 경향을 나타냈다. - 염기포화도는 3.07 ~ 21.83% 범위이고, 평균값은 7.71%이었다. 지역별 비교에서는 대조지역(19.14%) > 공단지역(6.54%) > 대도시지역(5.60%) 순서로 높은 경향을 보였다. - 치환성 Al 함량은 2.13 ~ 5.59cmol(+)/kg 범위이고 평균 4.62cmol(+)/kg이었다. 지역별 비교에서는 대조지역(2.34) < 대도시지역(3.23) < 공단지역(5.20) 순서로 낮은 경향을 나타냈다. - 4종의 인공산성우(pH 2.0, 3.0, 4.0 및 5.6)를 산림토양에 유출시킨 결과 인공산성우의 유출량이 증가함에 따라 토양유출액의 pH 감소, 토양염기의 유실이 지속적으로 나타났고, AL과 Mn의 용탈량이 증가하는 경향을 나타내었는데, 이러한 현상은 pH 3.0 인공산성우 유출시에 시작되어 pH 2.0에서 뚜렸하였다. - 인공산성우 토양유출 실험결과 울산, 남산 및 평창토양은 H 부하량의 증가에 따른 치환성염기 및 Al과 Mn의 용탈양상은 Sigmoid curve인 y = a/{1+exp(-c+bx)} 모델식에 따랐다.

• Korean journal of applied entomology
• /
• v.46 no.3
• /
• pp.363-373
• /
• 2007

To evaluate environment of farm lands using indicator insects and evaluation indices, the insect abundance of which is one of the major criteria for the evaluation of agricultural environment of farm land in urban areas and industrial complex, three sites (Ansan, Daesan, Suncheon) were designated and monitored from 2004 to 2006. The flora of agricultural land was more than urban areas and industrial complex of that in three sites. Soil, water and air pollution of urban areas and industrial complex were more serious than those of agricultural land in three sites. Overall population of insects were high from June to August in the surveyed three sites. Collected insects in agricultural land were 12 order, 106 family and 166 species, those in urban areas were 11 order, 102 family and 148 species, and in industrial complex were 11 order, 100 family and 152 species. Species and population belonging to Coleoptera was dominant in the surveyed sites. The insect diversity indices of farm land were 2.36 in agricultural land, 1.92 urban areas and industrial complex. And agricultural environment of agricultural land was good, urban areas was common and industrial complex was poor. Based on the major criteria of evaluation items, the criteria were selected as diversity index over 2.1, insect indicator Pheropsophus javanus in agricultural land, diversity index 1.5-2.0, insect indicator Nephotettix cincticeps in urban areas, diversity index below 1.5, insect indicator Pagria signata in industrial complex.