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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Korean Journal of Environmental Health Sciences
Journal Basic Information
Journal DOI :
Korean Society of Environmental Health
Editor in Chief :
Volume & Issues
Volume 33, Issue 6 - Dec 2007
Volume 33, Issue 5 - Oct 2007
Volume 33, Issue 4 - Aug 2007
Volume 33, Issue 3 - Jun 2007
Volume 33, Issue 2 - Apr 2007
Volume 33, Issue 1 - Feb 2007
Selecting the target year
Health Effects of Mercury Exposure on Some School Children in Korea
Kim, Dae-Seon ; Kim, Guen-Bae ; Kang, Tack-Shin ; Lee, Jong-Hwa ; Nam, Sang-Hoon ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 345~352
DOI : 10.5668/JEHS.2007.33.5.345
As mercury absorbed into body can cross the blood-brain barrier and react with DNA and RNA. Central nervous system has been known to be affected especially in children. But it was very difficult to know the influences of chronic low-does Hg exposure on the health. Although many studies investigated the affect, most of results were still disparate. In order to investigate the health effects of mercury exposure, several test were conducted for some Korean school children. The general health effects were investigated using blood test, Posturography and computer-based neurobehavioral test was done to examine the affect of Hg into neural responses. About 400 children were chosen for blood test whose blood Hg level were upper and lower 10% of population participated in the nationwide Hg exposure survey. The concentration of calcium and creatine, the number of white and red blood cell showed statistical significance with Hg exposure in blood test. Another 36 children were selected from the same participants for the posturography and neurobehavioral test. The intensity and center frequency of hand tremor which were related to unconsciousness also showed distinct significances. Any general relations with Hg exposure were not found in all test including computer-based neurobehavioral test.
Evaluation of Cd and Pb Intake and Exposure Routes in Some Korean Women
Moon, Chan-Seok ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 353~358
DOI : 10.5668/JEHS.2007.33.5.353
The publications on dietary intake, respiratory intake and blood concentration of cadmium and lead in some Korean women are reviewed. Reported values of dietary Cd intake as geometric mean were
in 2000, and blood concentration were
in 1994 and
in 2000, respectively. In case of Pb, the dietary intake were
in 1994, and
in 2000 and the blood concentration were
in 2000, respectively. Dietary intake is an almost exclusive route of Cd exposure, however respiratory intake in case of Pb is thought to affective exposure route in Korean women. When compared with the values reported in the literature, both of dietary Cd and Pb intake levels appear to be similar to or somewhat higher than the levels in east and south-east Asia.
Estimation of Total Exposure to Benzene, Toluene and Xylene by Microenvironmental Measurements for Iron Mill Workers
Kim, Young-Hee ; Yang, Won-Ho ; Son, Bu-Soon ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 359~364
DOI : 10.5668/JEHS.2007.33.5.359
The aim of this study were to assess the personal exposure to volatile organic compounds (VOCs) and to estimate the personal exposure using time-weighted average model. Three target VOCs (benzene, toluene, xylene) were analyzed in personal exposure samples and residential indoor, residential outdoor and workplace indoor microenvironments samples in the iron mill 30 workers during working 5 days. Personal exposure to VOCs significantly correlated with workplace concentration p<0.05), suggesting workplace had strong source and major contribution to personal exposure. Personal exposure could be estimated with time activity pattern and time weighted average (TWA) model of residential indoor and workplace concentrations measured. Time weighted mean microenvironments concentrations were close approximately of personal exposure concentrations. Total exposure for participants can be estimated by TWA with microenvironments measurements and time activity pattern.
Effects of Fine Particles on Pulmonary Function of Elementary School Children in Ulsan
Yu, Seung-Do ; Cha, Jung-Hoon ; Kim, Dae-Seon ; Lee, Jong-Tae ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 365~371
DOI : 10.5668/JEHS.2007.33.5.365
To evaluate the effect of air pollution on respiratory health in children, We conducted a longitudinal study in which children were asked to record their daily levels of Peak Expiratory Flow Rate(PEFR) using potable peak flow meter(mini-Wright) for 4 weeks. The relationship between daily PEFR and ambient air particle levels was analyzed using a mixed linear regression models including gender, age in year, weight, the presence of respiratory symptoms, and relative humidity as an extraneous variable. The daily mean concentrations of
over the study period were
, respectively. The range of daily measured PEFR in this study was
. Daily mean PEFR was regressed with the 24-hour average
levels, weather information such as air temperature and relative humidity, and individual characteristics including sex, weight, and respiratory symptoms. The analysis showed that the increase of air particle concentrations was negatively associated with the variability in PEFR. We estimated that the IQR increment of
were associated with 1.5 l/min (95% Confidence intervals -3.1, 0.1) and 0.8 l/min(95% CI -1.8, 0.1) decline in PEFR. Even though this study showed negative findings on the relationship between respiratory function and air particles, it was worth noting that the findings must be interpreted cautiously because exposure measurement based on monitoring of ambient air likely resulted in misclassification of true exposure levels and this was the first Korean study that
measurement was applied as an index of air quality.
Assessment of Formaldehyde Concentration in Indoor and Outdoor Environments of Schools in Incheon
Jeung, Yeon-Hee ; Choi, Sang-Jun ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 372~378
DOI : 10.5668/JEHS.2007.33.5.372
This study evaluated formaldehyde concentration in classrooms and on roofs at 4 elementary schools, 3 middle schools and 3 high schools in Incheon City. These schools were chosen based on their surrounding environments that included industrial site, landfill, railway, 8-lane road and harbor. Indoor concentration ranged between 4.65 and
, while that of outdoor concentration was
, both of which were below
, a formaldehyde criterion stipulated by the School Health Act. Indoor concentration was higher than outdoor concentration by
times, and there was a positive correlation between indoor and outdoor formaldehyde concentrations (R=0.49). As for indoor concentration, multi-use practice rooms had an average 2.8 times higher than that of usual classrooms with a statistically significant difference (p<0.01). Indoor formaldehyde concentration had a positive correlation with the construction year (R=0.55). The school close to the industrial complex had the highest ambient formaldehyde concentration, followed by the one near a landfill. The formaldehyde concentration in school in the vicinity of the industrial complex was twice or more than that of the school located other site. In conclusion, this study suggests that it is crucial to consider surrounding environments in selecting school sites, as it can influence ambient air contamination, as well as using construction material that emit less formaldehyde, in order to protect the health of students, teachers and school staff.
Immatured Type Uterotrophic Assay for Estrogenicity Evaluation of DEHA
Park, Ki-Dae ; Han, Beom-Seok ; Jeong, Ja-Young ; Oh, Jae-Ho ; Cho, Wan-Seob ; Cho, Min-Jeong ; Choi, Mi-Na ; Kim, Sung-Joon ; Kim, Seung-Hee ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 379~385
DOI : 10.5668/JEHS.2007.33.5.379
This study was aimed to investigate the estrogenic activity of Di-(2-ethylhexyl) adipate (DEHA) using immatured type uterotrophic assay. SD rats were treated with DEHA (40, 200, 1000mg/kg/day), estradiol-3-benzoate (EB)
as positive control on the assay. In immatured-type uterotrophic assay, relative organ weights of kidney and reproductive organs such as ovary at high-dose group were significantly increased compared to those of vehicle control group. DEHA did not influence the levels of serum FSH and LH, and uterine morphological changes such as luminal epithelial height, myometrial thickness and numbers of uterine gland, and BrdU indices. In these results, there was no significant variation by DEHA treatment, suggesting that DEHA appears not to be a endocrine disrupter with estrogenic activity.
Survey on the Total Mercury Exposure of School Children in Korea
Kim, Guen-Bae ; Kim, Dae-Seon ; Lee, Jong-Hwa ; Park, Hee-Jin ; Wee, Seong-Seung ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 386~391
DOI : 10.5668/JEHS.2007.33.5.386
Mercury contamination and its health effects have become major concern of environmental health study in Korea. Mercury exposure of some group were investigated to get the accurate data for policy making and study. About 2,000 children at 26 elementary schools participated in this survey to evaluate the exposure levels and to investigate main exposure source of mercury. Analysis of mercury levels in the whole blood and urine samples were conducted and questionnaire survey was done about the factors influencing exposures simultaneously. Mercury exposure levels of domestic children were N.D. to 17.26 ppb in blood, 0.17 to
-creatinine in urine. The mean(arithmetic) levels are 2.42 ppb in blood and
-creatinine in urine. Both of them were below the recommendation levels of US EPA and German CHBM I
-creatinine of German CHBM I in urine. But 1%, 0.51% of levels in blood exceed the level of CHBM I and US EPA, 8%, 0.85% of children were over the level of CHBM I and CHBM II in urine. Multi-valuable regression analysis showed that the existence of road near the residence in addition to the preference for fish have significance with blood mercury exposure level of domestic children. The existence of factory near the house and the experience of dental amalgam treatment had statistical relations with urine mercury level.
Acute Toxicity of Bisphenol A to the Crustacean Daphnia magna
Hwang, Gab-Soo ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 392~396
DOI : 10.5668/JEHS.2007.33.5.392
Aquatic ecotoxicity of bisphenol A, a well-known endocrine disrupter in mammals, was studied using laboratory-reared Daphnia magna as a test organism. The static acute 48 h
of bisphenol A for daphnid neonates(<24 hold) was 12.9 mg/l and 110 h
values of bisphenol A for daphnid embryos of different ages after deposition into the brood chamber increase with ages in the range of 1.55 mg/l-8.91 mg/l. Also, 48 h
generally increase with daphnid's ages in the range of 12.9 mg/l-19.8 mg/l. In the acute toxicity tests using mature daphnids, the lethal response and immobility all showed good concentration-response relationship with exposure concentration and exposure time, showing little difference between lethality and immobility. These results clarify that acute toxicity tests, using daphnid and its embryo, could also be useful tools easily available for the assessment of ecotoxicity of various harmful chemicals.
Concentration of Fe, Cu, Zn in 24-hour Food Duplicate Samples: Quantitative Analysis by Inductively Coupled Plasma - Atomic Emission Spectrometry
Paik, Jong-Min ; Moon, Chan-Seok ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 397~402
DOI : 10.5668/JEHS.2007.33.5.397
The present study was initiated to examine the measures of dietary intake of Fe, Cu and Zn. The food duplicate samples were collected in Busan and its neighboring area, from the 69 middle-aged women (healthy non-smoking, mostly house wives), who provided informed consent. The samples were wet ashed by being heated in the presence of mineral acids, and Fe, Cu, Zn in the wet-ashed samples were analyzed by inductively coupled plasma - atomic emission spectrometry(ICP-AES). Dietary intake of Fe, Cu and Zn were 10.4 mg/day in Fe, 1.2 mg/day in Cu, 7.4 mg/day as arithmetic mean. The values for dietary Fe and Zn were lower, and the values for dietary Cu were higher than the recommended daily intake from Korean Nutrition Society. Further studies of Korean foods are needed to clarify the representative values for daily dietary Fe, Cu and Zn intake in the Korean population.
Inactivation of Escherichia coli O157:H7, Salmonella and Listeria monocytogenes by Organic Acid
Jang, Jae-Seon ; Lee, Hye-Jeong ; Oh, Bo-Young ; Lee, Jea-Mann ; Go, Jong-Myeong ; Kim, Yong-Hee ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 403~407
DOI : 10.5668/JEHS.2007.33.5.403
The inhibitory effect of the food processing agent on growth of Escherichia coli O157:H7, Salmonella Enteritidis, and Listeria monocytogenes was performed with organic acid, and combination of citric acid, acetic acid, propionic acid and vanillic acid. The minimun inhibitory concentration(MIC) of propionic acid was 5,000 ppm in E. coli O157:H7, 2,500 ppm in Salmonella Enteritidis and Listeria monocytogenes. MIC of citric acid was 10,000 ppm in E. coli O157:H7 and Salmonella Enteritidis, 2,500 ppm in Listeria monocytogenes. MIC of acetic acid was 2,500ppm, while in vanillic acid was 5,000 ppm in Escherichia coli O157:H7, Salmonella Enteritidis, and Listeria monocytogenes. MIC of combined organc acid in E. coli O157:H7 were 2,500ppm in PC, 1,250 ppm in PA, PV, CA, CV and AV. MIC of combined organc acid in Salmonella Enteritidis were 2,500 ppm in PC, PA, PV, CA, and CV, 1,250 ppm in AV. MIC of combined organc acid in Listeria monocytogenes were 1,250 ppm in all treatment group. MIC of combined treatment of three organc acid in E. coli O157:H7, S. Enteritidis and L. monocytogenes were 1,250 ppm in PCA, PCV, PAV and CAV. The inhibitory effect of organc acid in E. coli O157:H7, S. Enteritidis and L. monocytogenes could be confirmed from the result of this experiment. Therefore, it was expected that the food process would increase or maintain by using organic acid.
Concentration Characteristics of Atmospheric PM
and TSP during the Asian Dust Storm in Iksan Area
Kang, Gong-Unn ; Kim, Nam-Song ; Kim, Kyung-Suk ; Kim, Mi-Kyung ; Lee, Hyun-Ju ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 408~421
DOI : 10.5668/JEHS.2007.33.5.408
The concentration characteristics of atmospheric particle matters (PM) including
, and TSP were evaluated through the measurement data of
(coarse particulate), and
collected using a MCI (multi-nozzle cascade impactor) sampler of a three-stage filter pack in spring of 2006 in Iksan area. During the sampling period of 10-15 March and 24 days from 8 April to 2 May, 32 samples for PM of each size fractions were collected, and then measured for PM mass concentrations and water-soluble inorganic ion species. Average concentrations of
, TSP were
, respectively. Water-soluble inorganic ion fractions to PM mass were found to be 36.5%, 18.0%, and 11.1% for
, respectively. By showing the high concentrations of PM samples during Asian dust events, those three fractions of PM were distinguished between the samples of Asian dust event and the samples of no event. However, the increase of PM concentrations observed during Asian dust events showed a different pattern for some Asian dust events. The differences of those three fractions in the size distribution may depend on differences on place of occurrence of Asian dust storm and course of transport from China continent to Iksan area in Korea. However, the extent of PM mass contribution during Asian dust events was generally dominated by the coarse particles rather than the fine fraction of PM. The variations of water-soluble inorganic ion species concentration in those three PM fractions between the samples of Asian dust event and the samples of no event were also discussed in this study.
Comparative Study on Detecting Methods for Total Coliform in Sewage Effluent
Lee, Mi-Ae ; Sung, Il-Wha ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 422~427
DOI : 10.5668/JEHS.2007.33.5.422
The purposes of this study were to investigate the concentration of total coliforms in sewage effluents during the period from August 2004 to October 2005. The removal efficiency range of multi-tube method and plate count method were
, respectively. Though a correlation between the multi-tube method and the plate count method in the same sample is low, not only is an experimental procedure very simple, but the time required also is short. The seasonal correlation between methods showed more sensitive spring and summer than autumn and winter. So the study indicated plate count method can be used in rapid and reliance identification of total coliform more than the multi-tube method.
Initial Bacterial Groups in the Development of Biofilm in Drinking Water
Lee, Dong-Geun ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 428~433
DOI : 10.5668/JEHS.2007.33.5.428
To clarify the pioneer group in the development of biofilms in high chlorine residual water, a semi-pilot model system was operated and 16S rDNA V3 targeted PCR-DGGE was submitted. Biofilm formation occurred rapidly in the model of a drinking water distribution system. It reached
or more on the surface of stainless steel, PVC, and galvanized iron in chlorinated (1.0 mg/l) water within a week. Within a week, uncultured Proteobacteria- and Bacillales group-like sequences were detected and Sphingomonas-like sequences were identified from all season and all pipe materials tested. Hence Sphingomonas species were regarded as the potential pioneer group in the development of biofilm in drinking water and this results would be useful for the prevention of biofilm formation and safety of drinking tap water.
Development of Rapid Detection Method for Bacillus Anthrax and Brucella Abortus
Choi, Jae-Gu ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 434~440
DOI : 10.5668/JEHS.2007.33.5.434
The livestocks are sometimes infected with pathogenic microorganisms such as bird influenza, brucellosis, pig cholerae, and salmonella. However, it is difficult to predict the outcome of these diseases because the livestocks are mostly raised in the rural areas. Efficient systems for detecting and alerting the onset of livestock diseases are urgently required. In these studies, the fluorescent analysis method, luminescent analysis method, and frequently used gene amplification method (polymerase chain reaction) have been developed in order to detect the pathogenic microbes in the early stages of disease progression. By using these developed systems, damages due to the livestock diseases induced by microbes can be minimized. If we can detect livestock diseases in the early stage, the costs for diagnosis and treatment will be reduced, and the livestock can be quickly recovered.
Impact of Water Quality on the Formation of Bromate and Formaldehyde during Water Ozonation
Lee, Chung-Youl ; Lee, Yoon-Jin ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 441~450
DOI : 10.5668/JEHS.2007.33.5.441
A Study on Variation of Colony Forming Units of Fungi by Input Ratios of Wood Chips in Aerobic Composting of Food Wastes
Park, Seok-Hwan ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 451~455
DOI : 10.5668/JEHS.2007.33.5.451
This study was performed to evaluate the effects of input ratios of bulking material in aerobic composting of food wastes on variation of colony forming units(CFU) of fungi. Wood chips were used as a bulking material. Volume ratios of food wastes to wood chips in reactor of Control, WC-1 and WC-2 were 10/0, 10/5 and 10/10, respectively. Reactors were operated for 24 days with I hour stirring by 1rpm and 2 hours of the forced aeration rate of
per day. WC-2 reached high temperature range faster than WC-1, and the maximum temperature of WC-2 was higher than that of WC-1. WC-2 reached high pH range faster than WC-1. and the maximum pH of WC-2 was higher than that of WC-1. WC-2 reached high Log(CFU/gram) range faster than WC-I, and the maximum Log(CFU/gram) of WC-2 was higher than that of WC-1. These all mean that the reaction velocity of composting of WC-2 was faster than that of WC-1. The profile of fungi changes in Log(CFU/gram) was similar to that of temperature changes (r=0.8861) not pH changes (r=0.1631).
A Fundamental Study on the Application of Cast for Removal of VOCs Produced in the Oil-contaminated Soil
Son, Hee-Jeong ; Chun, Mi-Hee ; Kim, Chul ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 456~461
DOI : 10.5668/JEHS.2007.33.5.456
This study was carried out two point view that reuse of sludge and adsorption of benzene, toluene and o-xylene of VOCs in cast, carbonized cast and activated carbon. The cation exchange capacity of cast and carbonized cast were 59.2, 112 meq/100g, respectively. The specific surface were 560,
, respectively. The average removal rates of benzene by 50g cast of 50% hydrous cast, anhydrous cast, carbonized cast, activated carbon were 15.0, 41.2, 88.2, 99.4% in 60min of retention time. The average removal efficiency of toluene by 50 g cast of 50% hydrous cast, anhydrous cast, carbonized cast, activated carbon were 12.5, 34.2, 88.2, 99.5% in 60 min of retention time. The average removal rates of o-xylene 50 g cast of 50% hydrous cast, anhydrous cast, carbonized cast, activated carbon were 8.8, 28.5, 84.8, 98.1% in 60min of retention time. The adsorption efficiency of test absorbent was in order of Activated Carbon > Carbonized Cast > Cast.
A Study on the Isolation of the Oil-degradation Microbes and Treatment Efficiency in the Oil Contaminated Soil with Peat Moss
Chun, Mi-Hee ; Son, Hee-Jeong ; Kim, Chul ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 462~469
DOI : 10.5668/JEHS.2007.33.5.462
Isolation and application of oil-degradation microbes from the oil-contaminated soil and the determination of optimal operation conditions about the peat moss, the addition for the oil-biodegradation. After all experiments, we have acquired three important conclusions: First, we found out the 4 microbes, Pseudomonas fluorescens, Pseudomonas aeruinosa, Kurtia sp., Bacillus ceres, with excellent capability for the oil-degradation; Second, the optimal operating conditions of the peat moss for TPH treatment were pH
, water content 20%, mixing 2 times/ day, addition volume 2%; Third, in case of the application to the oil-contaminated soil with 4 mixed microbes, the removal efficiency of TPH was increased from 54% to 83% in oil-contaminated soil and from 65% to 85% in oil-contaminated soil with the peat moss.
Effect of Moisture Content on Direct Landfilling Prohibition of Organic Sludge
Ko, Jae-Young ; Phae, Chae-Gun ; Park, Joon-Seok ;
Korean Journal of Environmental Health Sciences, volume 33, issue 5, 2007, Pages 470~477
DOI : 10.5668/JEHS.2007.33.5.470
This research was conducted to evaluate the effect of moisture content on direct landfilling prohibition of organic sludge. Organic sludges with moisture content (Me) of 75 and 85% were filled in two lysimeters. The lysimeters were named as Exp.75 and Exp.85, respectively. LFG of 2,064 l was generated greatly for Exp.85, compared to 1,500 l for Exp.75. LFG generations in Exp.75 and Exp.85 were 64.1 l/kg and 157.1 l/kg as dry TS basis, and 113.6 l/kg and 266.2 l/kg as dry VS basis. Total
generation in LFG for Exp.85 was 1,238 l, while 1,050 l for Exp.75.
ppmv was generated from Exp.85, which was 5 times higher than
ppmv from Exp.75. Leachate was not generated from Exp.75 during operation time. However, 420 ml of leachate was generated from Exp.85. From the results of gas generation, composition, odorous compounds, and leachate generation, landfilling of organic sludge with high MC was more harmful to the environment in spite of great LFG generation. However, direct landfilling of organic sludges without great difference of MC made a severe odor problem. Therefore, it was thought that current direct landfilling prohibition law for all organic sludge was appropriate.