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KMID : 0615219820070010001
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Journal of Kwangju Health
1982 Volume.7 No. 1 p.1 ~ p.14
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Studies on the Environmental pollution in Gwangju(Ⅵ) -A Study on Air pollution and Noise level
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류일광
이치영/강영식
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Abstract
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Air pollution, in Gwang-ju area was examined for 12 months from Jan, 1981 to Dec, 1981. The surveyed area was divided into four; Industrial, Commercial, Residential and Park area. Nine surveying sites which were representing the characteristics of each area were selected. The measuring methods were; the Lead dioxide cylinder method for Sulfur oxides, Triethanolamine plate method for Nitrogen dioxid. Deposit Gauge method for Dustfalls and the RION noise meter for Noise level.
The results we obtained are as follows.
1. Sulfur oxides
The mean of Sulfur oxides was 3.66㎎SO₃/day/100㎠PbO₂ ranging from 0.11 to 19.70㎎SO₃/day/100cmrPbO2. The mean value of Sulfur oxides was 3.79㎎SO₃/day/100㎠PbO₂ for Residential area, 4.29㎎SO₃/day/100㎠PbO₂ for Commercial area, 4.07㎎SO₃/day/IOtWPbO^ for Industrial area and 2.428㎎SO₃/100㎠PbO₂ for Park area, respectively.
2. Nitrogen dioxides
The mean value of Nitrogen dioxides was 46.563㎍NO₂/day/㎠, ranging from 8.42 to 135.26㎍NO₂/day/100㎠. At Commercial area when the value was the highest, the range of Nitrogen dioxides level was 8.42~135.26㎍NO₂/day/100㎠
3. Dustfalls
The mean value of Dustfalls was 40.59ton/㎢/month, ranging from 3.27∼254.14 ton/㎢/month. The Dustfalls for Residential area was higher than any other area.
4. Noise
The mean value of Noise level was 64.64dB(A), ranging from 41 to 80dB(A). The Noise of 72.25dB(A), at Commercial area was higher then any other area.
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