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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
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Volume & Issues
Volume 1, Issue 1 - Feb 1974
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A Study on the Coliform Contamination of Sea Water at Bathing Places in Korea
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 1~4
A study was carried out to find out the biological contamination of beaches in Korea from May 16, to June 2, 1972. Turbidity was measured and coliform groups were examined by membrane filter method as well as general sanitary condition of beaches. Main findings were as follows: 1. The average coliform group count was 5.0 per 100 ml of tested water, and the range of coliform. group count was 0~120 out of 8 beaches, Chungmun beach was found to be the least contaminated while Daechun was the most contaminated (23. 3/100 ml), however, those beaches surveyed. were satisfactory as far as bacteriological contaminations were concerned. 2. The average coliform group count of water samples from rising tides was 2.8/100 ml. The range of coliform count from rising tide was 0~26/100 ml, and those from receding were 1~120/100 ml. 3. The average turbidity of the water in Korean western beaches was 5.0 ppm, while that of Chejudo was 2.0 ppm. of 8 beaches surveyed, the turbidity of Daechon beach was the highest (7.0 ppm). 4. Out of 8 beaches surveyed shower facilities existed at only 4 beaches (50%), however the drainages of showers and bath rooms were not sanitarily adequate.
A Survey of Phenomenon of Increase and Decrease of WBC of Healthy Person in a Day
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 5~8
A survey was carried out in order to figure out of phenomenon of increasing and decreasing rate of WBC during a day in normal and healthy person from Oct. 1, 1972 to Nov. 31, 1972. For this survey, it was classified by two groups 50 male students and 35 female students who are from 18 to 25 years old. The blood sampling was collected by thin smear method 8 times from 7:30 A.M. to 10:30 P.M. by 2 hours intervals and calculated by direct manual method. As the results of this survey, the following conclusions were obtained 1) Number of WBC was the lowest degree during the forenoon, and it was the highest degree around the midnight. It was increase from around the noon up to the midnight and decrease from the midnight up to around the noon. 2) Increasing and decreasing curve of WBC of male and female was keeping same pace with both sex in a day. 3) Increase and decrease of lymphocyte and eosinophil was keeping almost same pace with WBC. 4) Increasing rate of number of monocyte was more speedily increasing during the afternoon than the night.
An Experimental Study on the Sanitary Conditions of Eggs
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 9~13
For the purpose of determining the degree of freshness and bacterial contamiation of poultry farm eggs, the author collected 550 specimens from poultry farm, during the period from July 22 through October 3, 1973. Eggs of poultry farm were stored at
(Relative humidity 67~86%),
(73~82%) during 20 days. The results are summarized as follows: 1) Egg weight was decreased
after 20 days. 2) Specific gravity of fresh eggs was found to average 1.0785. 3) Yolk index of fresh eggs was found to average 0.419. 4) The regression equation between Yolk index and days was obtained y=0.417-0.001x (r=-0.481, p<0.05) at
, y=0.394-0.004 x (r=-0.738, p<0.01) at
and y=0.391-0.011 x (r=-0.958, p<0.001) at
. 5) The regression equation between Yolk index and NaCl concentration (specific gravity) was obtained y=-0.001+0.04 x (r=0.796, p<0.001). 6) pH of albumin was changed from 8.0 to 8.8, 9.2 and 9.3 at
after 20 days. 7) Total Viable Bacteria in air cell was increased slowly according to the stored period at each temperature.
Study on the Detection of Artificial Dyes in the Commercial Drops by Use of Thin-Layer Chromatography
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 14~17
A study was carried out to detect of illegal artificial dyes, and to confirm the used rate of illegal dyes in the production process of commercial drops (candy), from Dec. 10, 1972 to Feb. 10, 1973. In this study, it was used thin layer chromatography, the samples were divided into two groups, group A of inscribed trade name and group B of not inscribed trade name. To contrast with group A and group B, 100 samples were randomly collected in the market places, 50 samples from group A and 50 samples from group B. The following conclusions were obtained: 1) used rate of illegal dyes were 2% of group A and 9% of group B. 2) used rate of illegal dyes were 2% of red, 2% of yellow, 1% of violet and 6% of green, not in blue. 3) used rate of illegal dyes 3% of Rhodamine B, 3% of Auramine and 6% of Light green S.F. Yellowish. 4) Out of 20 cases those used mixed dyes, only one case was confirmed as two illegal dyes, and 4 cases were used one illegal dye.
A Serological Test for Syphilis among Prostitutes by VDRL Slide Test
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 18~20
A Serological test for Syphilis by VDRL Slide tests were made to find the degree of treponemal infection. For this study sera were collected from 5, 312 Prostitutes of Seoul, Inchun, Euijungbu, Yangzoo, Pajoo and Pyungtaig from November 27, to December 7, 1972 and were examined on the following items. 1. VDRL Slide Qualitative test. 2. VDRL Slide Quantitative test. As the results of this study the following Conclusions were obtained. 1) This test were obtained average reactive 5.92% for 5, 312 prostitutes in Seoul 7.87% for 254 prostitutes, in Iuchun 6.77% for 354 prostitutes, in Euijungbu 6.62% for 740 prostitutes, in Yangjoo 5.82% for 1, 958 prostitutes, in Pajoo 6.08% for 937 prostitutes and in Pyungtaig 4.82% for 1, 069 prostitutes respectively 2) The highest Reagin titer was 1: 32 serum dilution.
Studies on the Properties of 2-Methoxy-5-Nitrophenol Complex Salts
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 21~27
This work was carried out to investigate the chemical properties of the chelate compounds which were produced with 2-methoxy-5-nitrophenol(MNG) and metal salt such as copper nitrate and manganese nitrate. And obtained results were as in the followings. 1) The binding ratio of the chelate compounds formation were determined by using the molar ratio concentration method and their chemical structures were identified by IR-spectrum. 2) In the absorbance measuring, 2-methoxy-5-nitrophenol coordinated with manganese and copper showed the maximum absorbance at
respectively. 3) The binding ratio of chelated compounds were measured by molar ratio method and continuous variation method with spectrophotometer, which was identified as 1:2. 4) The conditional formation constant(log Kn value) of manganese and copper chelate compounds were 6.70, 6.75, respectively according to the equation of
5) The dissociations degree of manganese and copper chelate compound were
respectively according to the molar calculation method.
A Study on the Contamination of Wells in Chonhodong Area
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 28~31
A study was conducted to find out the biological contamination of wells in Chon Ho Dong areas, Seoul, Korea from May 4, 1971 through May 18 1971. Coliform groups were detected by membrane filter method and general sanitary conditions were checked. The results obtained were summarized as follows: 1) 61 wells (81.3%) out of 75 wells showed the evidence of coliform group. In urban areas it is recommended to use disinfectants for wells pretty frequently. 2) The wells in native villages were less contaminated than those in new villages established by poor people from slum areas of Seoul. 9 out of 15 wells at Song Pa Dong, which is However, at Bang E Dong's new village, 19 out of 20 wells were contaminatd by coliform groups. 3) Coliform groups were positive at 57 out of 61 open wells, while only 4 out of 14 pumping wells showed the evidence of coliform groups. 4) 38 out of 40 poorly drained wells were contaminated, however, 13 out of 25 well drained wells were coliform organisms positive.
Studies on the Sanitary Scientific Utilization of Asphalt. Acid values determination of asphalt by improved indicator titration
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 32~35
Acidic substances contained in asphalt are affect upon emulsitiability of asphalt and its adhesion with aggregates, and therfore, detemination of acidity of asphalt is of important one. However, there has not been established a method of precisely determining the acidity of asphalt. This paper reports on an improved color-indicator titration method, by which the acid number of asphalt is determined. By treating benzene solution of asphalt with alcohol, acidic constituents were selectively extracted into alcohol solution, while asphaltic matters precipitated. A color-indicator titration method then was applied to the resultant faint-colored solution. The change of color at end point was clearly observed, and the results were obtained with good reproductivity and checked well with the results by the I.P. 177/64 method. Alcohols having not more than three cabon atoms have been found suitable for extraction.
A Study of Environmental Sanitation on the Well in SeouI
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 36~40
A Study on environmental sanitation on the well in Seoul was made to find the degree of Physio-chemical and Bacterial contamination. For this study 30 wells were located at Nokbundong Hongjaidong and Hongeundong from September 13 to 22 1971. As the results of this study the following conclusions were obtained. 1) Seventy per cent were being utilizing by from 10 to 50 households per well. 2) About 93 per cent of the wells were found to be dug out in Rocks. 3) Eighty-three per cent of the wells surveyed in the slums had a depth of water shorter than 20 cm. 4) The degree of Total Viable Bacteria contamination were high point
low point 13 and coliform bacteria were high point
low point 1 organism per ml. 5) Only 4 wells (13.3%) were able to drink but 26 wells (86.7%) were not drinking by physio-chemical and Bacterial contamination.
A Study on the Content of Manganese and Chrome in the Ground Water in Seoul Area (Based on non-water supply area)
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 41~45
A study was carried out to determine the content of Mn and Cr in the ground water in Seoul area, where municipal water supply system was not installed, from Nov. 1 to Nov. 30, 1973. In this study, authors examined the hardness, pH, water temperature and Cl ion to investigate the general conditions of the ground water. For this study, samples were collected from 46 wells which were located in outpart of Seoul city, and Mn and Cr were determined with the Spectronic-20. The following results were obtained: 1) Average value of the ground water conditions of the wells were 13.3$\circ$C in temperature, pH 6.3, hardness 159 ppm and Cl ion 41 ppm. 2) In the manganese concentration, the highest area was Yeongdeungpo-Ku(0.318 ppm), while the lowest area was Sungbuk-Ku(0.065 ppm) and the mean concentration of the whole district was 0.196 ppm. 3) In the chrome concentration, the highest area was Yeongdeungpo-Ku(0.031 ppm), while the lowest area was Dobong-Ku (trace) and the mean concentration of the whole district was 0.012 ppm.
Studies on the Sensitivity Patterns of Various Antibiotics Against Salmonella and Shigella
Korean Journal of Environmental Health Sciences, volume 1, issue 1, 1974, Pages 46~51
The agar plate titrations of antibiotic sensitivities of Salmonella and Shigella isolated from human during 1967 to 1972 were studies. 1. The most effective antibiotics against Salmonella and Shigella were chloramphenicol, tetracycline, kanamycin, minomycin, and gentamycin. 2. All strain of Salmonella typhi were resistant to cloxacilline. 3. The most effective antibiotics against Shigella were kanamycin, gentamycin and minomycin.