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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 29, Issue 4 - Dec 2003
Volume 29, Issue 3 - Sep 2003
Volume 29, Issue 2 - Jun 2003
Volume 29, Issue 1 - Mar 2003
Volume 29, Issue 5 - 00 2003
Selecting the target year
An Examination Performed to Identify the Causative Agent of Crusian Carp (Carassius carassius) Mass Mortality in Jinyangho
Shin, Gee-Wook ; Lee, Hu-Jang ; Jung, Tae-Sung ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 1~3
Jinyangho is a natural water supply source of tap water in west Gyeongnam area, but mass mortality of crusian carp occurred during the time of temperature rise in spring. Examinations on diseased fishes were able to isolate four bacteria isolates and then identified the bacteria as a member of Aeromonas sp. Challenge experiment with mirror carp (Gyrinus carpiospecilaris) was proved the virulence, the isolates were in turn believed as the causative agent of mass mortality in Jinyangho.
Operational Condition and Temperature Study for Ethylbenzene Treating Biofilter
Son, Hun-Keun ; Bradley A. Striebig ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 4~9
Biofiltration can effectively remove both organic and inorganic air pollution compounds from both industrial and public sources. However, for the optimal biofiltration performance, it is necessary to gain a better understanding of the inner environment and destruction mechanisms within a biofilter. The effects of operational factors on removal efficiency was studied. Generally, removal efficiency decreases as the loading rate increases. Temperature, as one of the key factors that affect biofiltration design and performance, was also investigated. Conceptually, the biofilter reactor of this paper was divided into five different consecutive stages. The more ethylbenzene COD degraded at each stage, the higher the temperature increases observed compared to the temperatures of the previous stages. It was observed that for every 1 kg of ethylbenzene COD degraded per cubic meter of biofilter media, there was generally a 0.41
increase in the temperature of that stage.
Gas/Particle Level and Dry Deposition Flux of Atmospheric PCBs
Yeo, Hyun-Gu ; Park, Ki-Chul ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 10~16
Atmospheric samples were conducted from September 2001 to July 2002 with GPS-l PUF sampler in rural site to concentration distributions of gas/particle PCBs and to calculate dry deposition flux of PCBs.
PCBs concentrations of gas/particle PCBs were 59.29
6.59 pg/㎥, respectively. Gas contribution (%) of total PCBs (gas + particle) was 90% which existed gas phase in the atmosphere. The particle contribution (%) of PCB congeners increased relatively more of the less volatile congeners with the highest chlorine number. The correlation coefficients (r) between total PCBs and temperature (
) showed negative correlation in - 0.62 (p<0.0l) for particle phase, positive correlation in 0.63 (p<0.01) for gas phase. In other word, particle phase PCBs is enriched in colder weather which could be due to greater in corporation of condensed gas phase at low temperature. The calculated dry deposition of total PCBs (gas + particle) was 0.008, 0.008
which showed maximum dry deposition flux in December, minimum data in July Bs in the atmosphere. The calculated dry deposition fluxes of total PCBs were influenced by particle phase PCBs even though PCBs in the atmosphere were present primarily in the gas phase.e.
Studies on Some Parasites from Aquarium Rockfishes, Sebastes spp.
Chun, Kae-Shik ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 17~20
The results of study of the parasites of rockfishes, Sebastes spp. collected at Oregon coast aquarium during April 6 to June 30, 2002 are presented. Six species of parasites were recovered from examination of 19 rockfishes with an incidence of infection of 42.1 %. This study investigated parasitic infestation of 7 black rock-fish, Sebastes melanops ; 3 quillback rockfish, S. maliger ; 2 yellowtail rockfish, S. flavidus ; 3 canary rockfish, S. pinniger 2 yelloweye rockfish, S. ruberrimus ; 2 tiger rockfish, S. nigrocinctus. Sebastes spp. from aquarium were found to be infested with parasites: Mycrocotyle sebastis, Megalocotyle trituba, Clavella uncinata, Anisakis simplex larvae, Contracaecum sp. larvae, Pseudoterranova decipiens larvae. Prevalence and mean intensity of rockfishes were infected respectively as follows: 21.1%, 4.0 of M. sebastis, 10.5%, 55.5 of M. trituba, 21.1%, 34.3 of A. simplex larvae, 10.5%, 15.0 of Contracaecum sp. larvae, 10.5%, 8.5 of Pseudoterranova decipiens larvae and 10.5%, 5.0 of Clavella uncinata. This study reveled that gills and gastrointestinal tracts of S. pinniger were heavily infested with M. trituba and A. simplex larvae.
Non-invasive Biological Monitoring of DNA Adducts Formed at Workers Handling 3,3-Dichlorobenzidine(DCB) by Using GC/MS
Lee, Jin-Heon ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 21~26
We examine the metabolites(DCB and acetyl DCB) extracted from exfoliated urothelial cells of 33 workers who employed DCB-handling industries. The characteristics of workers submitted urine, whose age, working years and smoking persons were 41.9
5.5 and 25(32.0%), respectively. DNA adduct was isolated from the exfoliated urothelial cells by applying
p-postlabeling procedure. Metabolites(DCB and acetyl DCB) were extracted from DNA adducts by hydrolyzing and N-glycosylase. Concentrations of DCB and acetyl DCB were 28.6
5.25 ng/g DNA, and 17.0
3.73 ng/g DNA, respectively. The regression between DCB level and exposure years of workers is y = 1.668 + 2.588x(p = 0.005,
= 0.394). The regression between acetyl DCB level and exposure years of workers is y = 8.071 + 1.325x(p = 0.076,
= 0.222). Smoking workers are significantly higher than non-smoking workers on DCB and acetyl DCB level(p = 0.065 and 0.021, respectively). DCB level was 33.9
7.14 ng/g DNA on smokers, and 23.1
9.97 ng/g DNA on non-smokers. Acetyl DCB was 25.1
5.27 ng/g DNA on smokers, and 8.92
7.22 ng/g DNA on non-smokers.
The Bisphenol A: A Modulator of Pregnancy in Rats
Kim, Pan-Gyi ; Lee, Na-Rae ; Hwang, Seong-Hee ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 27~34
Bisphenol A is used in the manufacture of epoxy, polycarbonate, and corrosion-resistant unsaturated polyester-styrene resins required for food packaging materials in industrial processing. Some reports indicated the possibility of harmful effects on rats. In this study was used a method for the determination of bisphenol A in blood according to the OSHA High Performance Liquid Chromatography (HPLC) guideline. The method involved blood extraction using methylene chloride. And it was evaluated developmental and teratogenic effects in pregnant rats and second generation. The results obtained were as follows. There was a significant increase in the body weights and treated groups F1 female in liver, spleen, kidney, but according to dose-response. F1 female rat's relative body weight and absolute body weight are not different. There was a significant increase liver, spleen, kidney organ weight and reproductive organ weight epididymis, prostate gland in F1 male rats. There was a proestrous in pregnant rat, group 200
/kg. The effect on rat treated with bisphenol A decrease organ weight and reproductive organ weight. Identification and quantitation were performed with using HPLC C18 column and using at retention time 5.5 min. The results of the detection of bisphenol A were at 20,000
/kg in average 1
/kg average in 0.9
/ml blood samples. From those results, it could be concluded that the effects of pregnant rat and second generation(F1) by bisphenol A treatment during lactational period were estrogenic and bisphenol A was remained in serum at low level.
A Study the Physicochemical Characteristics of Municipal Solid Wastes
Kim, Young-Sik ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 35~41
The objective of this study was investigate the generation rates, composition, proportion and calorific values each of material in the municipal solid wastes as well as the effect of incineration residual leachate on the environment in Yangsan sanitary landfill site. The results were as follows ; The annual average generation rate of municipal solid wastes in Yang-san is approximately 2.0 kg/cㆍd. The weight percent of combustible matters is on average 78∼87% and the lower heating values of municipal solid wastes is measured to be more than 2,151 kcal/kg after removing the briquette component. The food waste was major source of solid wastes in Yang-san city as 35% and its variation by seasons was negligible. Combustible part was larger than incombustible part of the domestic solid wastes in spring and summer. It is recommended that municipal solid wastes be treated by multiple methods such as the sanitary landfill, resources and recovery, composting and incineration.
Study on Characterization of Deposition Flux of Dustfall in Kunsan, Korea
Kim, Seong-Cheon ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 42~47
The purpose of this experimental study is to investigate seasonal deposition flux variations of the total dustfall and various inorganic elements in it. Total of 84 dustfall samples were collected from September, 1997 thru August, 1998 at 7 different sites in Kunsan. Each sample was analyzed by an AAS to determine the levels of 5 inorganic elements; Zn, Cd, Cr, Fe and Pb. Deposition fluxes, soluble/total fractions for each element were extensively investigated. Estimated deposition fluxes of dustfall and elements in Kunsan were in the range of 37.5∼45.1 ton/
/yr for dustfall, 43.5∼81.8 kg/
/yr for Zn, 6.6∼11.0 kg/
/yr for Cd, 44.8∼110.0 kg/
/yr for Cr, 223∼323 kg/
/yr for Fe, 10.9∼22.3 kg/
/yr for Pb, respectively. Thus, the estimated average total deposition fluxes of dustfall in Kunsan(376.35
) per day were 43.3 ton and 58.6 kg for Zn, 8.9 kg for Cd, 80.6 kg for Cr, 293.8 kg for Fe and 14.1 kg for Pb, respectively.
Effects of Cereal Powders with Dietary Fibers on Retrogradation Properties of Jeungpyun, a Korean Traditional Fermented Rice Cake
Park, Mie-Ja ; Kim, Hye Young L. ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 48~54
This study investigated retrogradation properties of Jeungpyun substituted for cereals with dietary fibers of 60% of brown rice, and barley. Quality changes during storage periods of the functional Jeungpyun, were studied using
-amylase iodine enzyme digestion methods, X-ray diffraction patterns, and differential scanning calorimetry (DSC). The barley substituted samples showed significantly lower retrogrdation rates than those of control when examined by
-amylase method. The Relative crystallity by X-ray diffraction patterns had typical A type in all samples with appealing big crystallity around its diffraction angle 23
degrees as storage periods were increased. The brown rice and barley Jeunpyun made smaller crystallity than that of control, representing slower retrogradation rates. The batter controls had significantly lower ΔH than the other compared samples when measured by DSC, but had significantly higher ΔH after 30 days of storage, implying that the control required more energy for regelatinization after the 30 days of storage.
Infectious Status on Monogenetic Trematodes of Sebastes spp. (Family : Scorpaenidae) Including Microcotyle sebastis, Megalocotyle trituba an Trochopus australis in Newport Fish Market
Chun, Kae-Shik ;
Korean Journal of Environmental Health Sciences, volume 29, issue 4, 2003, Pages 55~57
Nine (34.6%) of the 26 rockfishes taken from Newport fish market, Oregon in July 2003 had a total of 135 monogenetic trematodes attached the gills. Microcotyle sebastis, Megalocotyle trituba and Trochopus australis were encountered, occurring in rockfishes examined. In the monogenetic trematodes in Sebastes spp, the prevalence were found to be between 30.8 and 40.0%. Prevalence of M. sebastis was 37.5%, 40.0% on M. trituba and 30.8% on T. australis. Nine of Sebastes spp. were infected with one or two species of monogenetic trematodes. Intensities of infection for M. sebastis, M. trituba and T. australis were recorded as 2.0 (2-12), 22.0 (48-62) and 1.0 (1-3), respectively. It may be that the intensities of infection for M. trituba should be high, and M. sebastis and T. australis little low.