Characteristics of Environmental Contamination for the Groundwater and Stream Water in the Vicinity of the Woonjeongdong Sanitary Landfill Area in Kwangju-city, Korea

전체 글

(1) , 34, 6 , 523-537, 2001 Econ. Environ. Geol., 34(6), 523-537, 2001.

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(4) . . . . . . . . . . . . . . . Characteristics of Environmental Contamination for the Groundwater and Stream Water in the Vicinity of the Woonjeongdong Sanitary Landfill Area in Kwangju-city, Korea Keun-Chang Oh1*, Chung-Han Yoon1, Kyoung-Woong Kim2, Cheon-Young Park3, Cheong-Bin Kim4, Dong-Yoon Yang5 and Ju-Yong Kim5, Kwang-Rae Lee6 1. Dept. of Mineral and Energy Engineering, Chonnam National University, Kwangju 500-757, Korea Dept. of Environmental Science & Engineering, K-JIST, Kwangju 506-712, Korea 3 Dept. of Resources Eng. Chosun University, Kwangju 501-759, Korea 4 School of Earth and Environmental Sciences, Seoul National University, Seoul, 151-742, Korea 5 Dept. of Geology Division, Korea Institute of Geoscience and Mineral Resources, Taejon 305-350, Korea 6 Dong-A Togun Corporation Kwangju city Book-gu Dooamdong 851-10, Korea 2. The physical properties of pH, turbidity, TDS and salt contents in the stream water near the entrance of Woonjeongdong sanitary landfill area with a drainage pipe are higher than those in neighbored drainage system, but DO is lower than that in neighbored drainage system due to the eutrophication. In the ground water, pH, turbidity, TDS and salt contents at , and where may be under effect of the Woonjeongdong sanitary landfill area, are also shown higher values in contrast to other groundwater site, like and . Particularly, the groundwater in , and are plotted in Na-Cl type of the piper diagram, which is an another important proof of the contamination by the leachate and washing water from the Woonjeongdong sanitary landfill area. Some elements and physical properties of the waters in rainy season are displayed a clear characteristics of contamination, compared to the those of winter in this study. Elements such as Ca, Mg, Na, K, Cl−, SO42− and F− are accompanied well with each other by the result of factor analysis. Therefore the elements and physical properties may be used good indicators for the contamination of waters in the vicinity of landfill area.. . . . . . . . Na-Cl type, leachate, washing water, factor analysis, indicators.

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(67) . Chemical constituents of the groundwater in summer, 2000. Sample. A. Component Temp.(oC) pH Eh (mV) DO (mg/l) EC (µs/cm) turbidity TDS (mg/l) NaCl (%) As (µg/l) Ba (µg/l) Ca (mg/l) Cr (µg/l) Cu (µg/l) Fe (mg/l) K (mg/l) Li (µg/l) Mg (mg/l) Mn (µg/l) Na (mg/l) Ni (µg/l) Rb (µg/l) Si (mg/l) Sr (µg/l) U (µg/l) Zn (µg/l) Br− (µg/l) Cl− (mg/l) F− (mg/l) HCO3− (mg/l) I− (µg/l) NO3- (mg/l) SO42− (mg/l) P.I.. B. 18.8 6.20 1 3.76 300 0 145 0.01 0.76 117.17 44.00 2.19 7.65 0.21 1.23 14.55 7.86 0.55 36.04 0.63 0.47 19.53 220.00 1.02 9.72 107.00 72.07 0.14 33.56 6.01 13.33 4.83 1.10. C. 15.2 6.50 -8 1.75 110 8 64 0.00 <0.10 9.43 6.77 29.26 3.18 0.21 1.05 10.00 1.46 2.27 14.21 0.45 0.24 16.00 58.85 0.31 25.69 109.00 7.70 <0.10 35.79 3.33 8.23 1.51 0.47. D. 17.4 6.84 -44 1.30 20,760 2 400 0.03 0.33 112.53 20.50 13.70 8.74 0.22 10.06 9.45 8.08 817.77 37.31 1.55 8.14 7.25 215.92 0.16 19.73 123.00 73.59 <0.10 66.81 5.88 13.00 9.62 1.44. E. 22.3 6.60 -5 2.65 220 0 122 0.00 <0.10 6.10 19.80 1.63 11.15 0.10 0.82 4.20 5.39 2.28 16.61 0.79 0.27 15.50 156.81 0.10 33.41 25.00 18.80 <0.10 42.95 1.69 22.76 9.96 0.77. F. 16.5 6.85 -34 4.10 220 8 122 0.00 0.23 1.73 23.37 0.84 5.44 0.11 0.50 4.45 5.04 0.76 14.91 0.57 0.03 19.09 174.00 0.06 34.54 28.00 25.09 0.19 48.81 1.38 12.21 7.70 0.84. 22.0 6.18 2 3.67 450 0 244 0.01 0.82 30.30 46.80 1.86 6.51 0.21 1.53 5.46 11.06 2.15 42.30 0.51 0.06 18.27 756.00 0.11 46.14 111.00 70.47 0.24 61.13 3.81 18.13 8.67 1.39. P.I=Σ[(Ca/Ca)+(K/K)+(Mg/Mg)+(Na/Na)+(Si/Si)+(Cl/Cl)+(F/F)+(HCO−3/HCO−3)+(SO42−/SO2− 4 )]/Number of elements. MD` -.ãKY V

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(81) . . Chemical constituents of the groundwater in winter, 2000.. . Sample. A. B. 13.9 6.71 -40 >20 290 0 173 0.01 0.00 10.90 0.00 1.00 0.02 1.46 4.81 6.00 25.30 13.50 1.00 35.77 0.10 32.33 7.49 3.32 1.10. 14.5 6.51 -8 13.30 90 0 60 0.00 0.00 4.43 0.00 1.00 0.02 0.94 1.71 0.00 11.80 13.80 1.00 9.98 0.05 33.92 0.82 4.75 0.47. Elements Temp.(oC) pH Eh (mV) DO (mg/l) EC (µs/cm) turbidity TDS (mg/l) NaCl (%) As (µg/l) Ca (mg/l) Cr (µg/l) Cu (µg/l) Fe (mg/l) K (mg/l) Mg (mg/l) Mn (µg/l) Na (mg/l) Si (mg/l) Zn (µg/l) Cl− (mg/l) F− (mg/l) HCO3− (mg/l) NO3− (mg/l) SO42− (mg/l) P.I.. C 14.3 6.82 -43 0.43 760 0 410 0.03 0.00 12.10 0.00 1.00 0.08 16.60 9.28 6.00 69.80 4.95 1.00 142.00 0.21 67.43 1.08 10.11 1.44. D. E. F. 14.7 6.58 -4 0.98 210 0 140 0.00 0.00 9.45 0.00 2.00 0.03 1.05 4.11 0.00 15.40 12.90 1.00 19.76 0.06 45.78 5.57 9.88 0.77. 14.1 6.78 -11 1.05 210 0 130 0.00 0.00 9.68 0.00 2.00 0.22 0.71 4.67 7.00 12.40 12.70 1.00 19.49 0.18 53.07 9.18 6.13 0.84. 14.5 7.02 -45 1.04 500 0 280 0.02 1.00 11.60 0.00 2.00 0.09 3.10 7.64 5.00 41.60 13.10 2.00 98.00 0.08 64.04 12.45 6.43 1.39. 2− P.I.=Σ[Ca/Ca)+(K/K)+(Mg/Mg)+(Na/Na)+(Si/Si)+(Cl/Cl)+(F/F)+(HCO−3 /HCO−3)+(SO2− 4 /SO4 )]/Number of elements. æ# K»MY ]*8 2f=' æ0 â .:¶ N¬.: Ï+# 5\ &0 ^ vÝ64 $=K(,-\` B C D & z3 O & vÝvY w · J>¿ PQ` fg3 ,V _0 înO 7:ª> Y MD# 8TXr mY T` } J, M4 &a PQ.' ¶ J,f# m >l W m> cÉAnO PQX 0 V` Y ¶ u `

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(100) . . Correlation coefficients and regressive equation between EC and TDS to the groundwater. (a) in summer, 2000, (b) in winter, 2000. Chemical constituents of the stream water in winter, 1999. Sample Elements Temp.(oC) pH Eh (mV) DO (mg/l) EC (µs/cm) turbidity TDS (mg/l) NaCl (%) As (µg/l) Ba (µg/l) Ca (mg/l) Cr (µg/l) Cu (µg/l) Fe (mg/l) K (mg/l) Li (µg/l) Mg (mg/l) Mn (µg/l) Na (mg/l) Ni (µg/l) Rb (µg/l) Si (mg/l) Sr (µg/l) U (µg/l) Zn (µg/l) Br− (µg/l) Cl− (mg/l) F− (mg/l) HCO3− (mg/l) I− (µg/l) NO3− (mg/l) SO42− (mg/l) P.I.. 1 9.5 8.40 -98 7.13 1,470 33 920 0.06 4.55 122.00 59.30 11.00 3.70 1.19 50.60 11.00 21.50 2130.00 120.00 6.44 29.33 7.84 480.00 1.26 12.00 876.00 47.25 0.08 378.26 126.00 1.23 7.02 1.41. 3 10.1 8.41 -102 7.25 2,030 >1,000 1,210 0.09 4.85 116.00 54.60 9.90 1.40 1.57 51.80 12.00 20.90 2,380.00 119.00 6.51 29.78 9.09 455.00 1.22 5.00 838.00 64.81 0.10 463.67 116.00 1.21 5.69 1.49. 5 10.6 8.39 -99 8.52 1,520 >1,000 940 0.06 4.54 107.00 54.80 10.00 1.20 1.65 51.40 12.00 21.40 2,480.00 112.00 6.91 29.59 9.30 441.00 1.12 3.80 812.00 66.46 0.11 524.68 109.00 1.21 5.68 1.52. 6. 8. 9. 8.6 7.33 -54 10.22 80 10 49 0.00 0.43 11.00 4.40 6.60 0.50 0.92 1.04 1.00 1.29 203.00 8.08 0.22 0.97 5.69 30.00 0.10 3.00 55.00 4.97 0.90 33.55 5.00 0.93 4.86 0.68. 9.3 7.36 -38 5.93 300 45 178 0.01 0.64 35.00 18.60 4.10 1.10 0.21 2.15 1.00 4.36 81.00 10.20 0.14 1.34 5.86 145.00 0.53 5.90 49.00 5.21 0.10 70.16 9.10 0.92 7.98 0.45. 9.3 7.12 20 9.58 200 25 120 0.00 0.75 43.00 20.20 4.20 2.30 0.22 2.60 1.00 4.47 59.00 10.50 0.99 1.77 5.57 155.00 0.60 7.20 100.00 5.14 0.09 70.16 12.00 0.96 8.15 0.45. P.I.=Σ[Ca/Ca)+(K/K)+(Mg/Mg)+(Na/Na)+(Si/Si)+(Cl/Cl)+(F/F)+(HCO−3/HCO−3)+(SO42−/SO42−)]/Number of elements.

(101) . . Chemical constituents of the stream water in summer, 2000. Sample. 1. Elements Temp. (oC) pH Eh (mV) DO (mg/l) EC (µs/cm) turbidity TDS (mg/l) NaCl (%) As (µg/l) Ba (µg/l) Ca (mg/l) Cr (µg/l) Cu (µg/l) Fe (mg/l) K (mg/l) Li (µg/l) Mg (mg/l) Mn (µg/l) Na (mg/l) Ni (µg/l) Rb (µg/l) Si (mg/l) Sr (µg/l) U (µg/l) Zn (µg/l) Br− (µg/l) Cl− (mg/l) F− (mg/l) HCO3− (mg/l) I− (µg/l) NO3− (mg/l) SO42− (mg/l) P.I.. 3. 27.3 8.31 -93 7.13 1,470 33 920 0.06 1.84 44.24 12.71 3.56 8.29 0.30 7.79 1.39 3.73 368.66 26.68 23.41 5.38 8.56 113.00 0.20 14,815.53 105.00 44.14 0.10 352.46 8.81 2.44 6.85 1.25. 5. 27.5 8.30 -91 0.41 2,630 137 1,750 0.12 1.76 33.20 13.65 1.80 9.42 0.23 8.10 1.77 3.96 247.50 29.36 1.84 5.55 8.01 140.00 0.23 430.55 128.00 44.78 0.10 554.62 15.12 2.33 6.28 1.35. 24.5 8.42 -119 2.09 3,960 137 2,800 0.20 1.71 31.46 13.77 1.83 9.15 0.24 8.06 1.80 4.05 268.42 29.28 1.93 5.54 8.06 136.00 0.22 380.65 123.00 46.99 0.12 1,000.56 14.33 2.36 6.26 1.53. 6. 8. 9. 23.3 5.87 19 3.27 100 6 60 0.00 0.28 10.21 3.21 <0.50 0.76 0.05 0.95 1.00 1.09 0.28 7.42 0.40 1.17 6.88 19.00 0.04 1.71 8.00 5.65 0.10 32.34 1.98 2.04 4.68 0.45. 25.9 6.84 -33 4.29 160 26 90 0.00 0.42 27.55 9.49 0.50 0.80 0.07 1.85 1.00 2.32 1.23 8.10 0.11 2.33 6.78 97.00 0.05 2.26 6.00 6.86 0.11 54.99 4.01 2.06 10.37 0.69. 25.6 8.73 -136 6.64 150 8 80 0.00 0.45 29.39 10.69 0.50 1.18 0.07 2.31 1.00 2.41 0.94 8.10 0.27 2.50 6.56 100.00 0.07 2.85 13.00 6.73 0.11 54.91 4.08 1.97 11.00 0.73. P.I.=Σ[Ca/Ca)+(K/K)+(Mg/Mg)+(Na/Na)+(Si/Si)+(Cl/Cl)+(F/F)+(HCO−3/HCO−3)+(SO42−/SO42−)]/Number of elements. # $=K(,-\` BCD & _0 nO " MY z Hl z3 ºº _ vÝ6l m> 3Y $=K( ,-\ | MD` PQa'3 BCD¶ "§ fg3 mé `Ë> æ0 AnO o= Z MD & K(,-\` % 5\ 4

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(110). Chemical constituents of the stream water in winter, 2000. Sample. L. Element Temp. (oC) pH Eh (mV) DO (mg/l) EC (µs/cm) turbidity TDS (mg/l) NaCl (%) As (µg/l) Ca (mg/l) Cr (µg/l) Cu (µg/l) Fe (mg/l) K (mg/l) Mg (mg/l) Mn (mg/l) Na (mg/l) Si (mg/l) Zn (mg/l) Cl− (mg/l) F− (mg/l) HCO3− (mg/l) NO3− (mg/l) SO42− (mg/l) P.I.. 1. 24.3 7.85 -87 1.01 28,400 827 >5,000 1.76 0.00 335.00 0.00 1.00 0.05 1,450.00 174.00 2.00 2,600.00 19.40 2.00 3,289.70 196.50 1,616.77 0.58 176.80 -. 2. 9.9 8.69 -133 1.64 1,700 0 1,000 0.07 3.00 13.10 0.00 3.00 0.06 38.50 10.70 1.00 123.00 7.33 4.00 227.00 0.10 276.50 1.50 4.05 1.79. 3. 9.9 13.5 8.62 8.73 -130 -136 1.74 1.56 1,690 1,280 0 0 990 716 0.07 0.05 6.00 0.00 13.9 12.70 0.00 0.00 3.00 1.00 0.05 0.02 37.00 30.40 10.50 9.50 10.00 1.00 120.00 94.4 7.01 7.03 5.00 1.00 231.00 170.00 0.12 0.09 276.50 274.77 1.32 0.78 3.98 4.74 1.80 1.56. 4. 5. 6. 7. 8. 9. 10. 12.8 8.74 -137 1.50 1,200 0 650 0.05 0.00 12.60 0.00 1.00 0.07 28.40 9.24 6.00 88.50 7.45 1.00 156.00 0.11 266.84 0.77 5.26 1.54. 11.0 8.72 -136 >20 90 0 430 0.03 1.00 11.50 0.00 1.00 0.03 24.60 7.47 4.00 74.2 7.68 2.00 126.00 0.11 233.27 0.73 3.67 1.33. 10.5 8.08 -92 >20 80 0 60 0.00 2.00 5.90 0.00 1.00 0.01 1.78 1.63 1.00 8.17 6.86 1.00 8.34 0.02 72.08 0.96 3.29 0.41. 11.6 7.80 -66 6.64 80 8 48 0.00 5.00 4.93 0.00 0.00 0.02 1.50 1.36 3.00 7.69 6.58 1.00 8.41 0.17 74.68 1.09 3.37 0.56. 12.2 8.19 -108 1.30 230 0 130 0.00 0.00 8.41 0.00 1.00 0.06 5.06 3.21 6.00 17.2 5.40 2.00 17.90 0.08 70.16 0.63 8.74 0.71. 14.8 9.27 -155 1.73 160 0 95 0.00 1.00 9.35 0.00 1.00 0.06 2.47 3.32 4.00 9.44 5.87 2.00 8.55 0.09 70.16 0.36 5.61 0.61. 13.8 8.34 -95 1.75 160 0 130 0.00 1.00 9.24 0.00 2.00 0.04 2.55 3.30 3.00 9.38 5.69 2.00 10.13 0.13 70.16 0.57 6.80 0.68. P.I.=Σ[Ca/Ca)+(K/K)+(Mg/Mg)+(Na/Na)+(Si/Si)+(Cl/Cl)+(F/F)+(HCO−3/HCO−3)+(SO42−/SO42−)]/Number of elements. ' MD %# JMNY -.` ?3 > ^.Xl m> ? ,-\` @8D5 {XY æ #Y | M©D# JMN _0 u H` % ò3Y w·3 m> M©D & Y c æ# ÌVz# ` | ?3 MD# JMN ¯M4 N¬ .: & ,\` @8D5 kMY A¶ B73# ¯ 8 2 (!Z ò'> ±3 '3 ª °tY «O 3 M©D & ` 7C# U` % `T (ª °t{²+' ,.

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(126) . . Physical properties of the stream water and leachate in the vicinity of the Woonjeongdong sanitary landfill area.. 0 fH5 aª>. z0 ,-\` @8D5 kXY Aæ Bæ Hl Mk' úæ# â N¬ # ôAnO _ o=X.n4 w; N¬# o = :Y @H# J,A' z| ò3l m> 3ø 0 MD# ¶ ÇO5O ,-\3 | D# MN PQ a'nO 8 #@5 ª> BCDY u H ` &0 z _0. z` +HA w vÝè> ` M©DY ,-\` @8D5 kXY æ # -. JP

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(138)

(139) . . Correlation coefficients and regressive equation between EC and TDS to the stream water. (a) in winter, 1999, (b) in summer, 2000. Piper diagram of the groundwater (Piper, 1944). ! # %&&&. p. ! $ ! %&&&. q. Piper diagram of the stream water (Piper, 1944).. p. e MkO HDI P;W #5Ml mn4 0 Ï+ nO vÝ> 3ø 3{Y ßt . :5 +` 33 @` I MQ M©` «R3 Ç Z'

(140) à

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(144) ' înO 7:ª> M©D` 7 K(,-\` ¼j ` M©D5 c.A D%# ^.Xl D{ 0 ,:.,1 nO kX4 K(,-\ ` M ©DY c.A D¶ H Q` &á%# ^ .Xl D{0 :.,1 nO ^.Xl m> $=K(,-\ # TNY M©D` V E9¦ U # ` c¨ ,- |` D{ O {7 { òàn4 P % ¡¢ # ` ^¶ ,- BC D & z3 VKMà>Y 68 ^ c»MY 7 ò3l m>. . . . . (. . . .

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(148) KMN 8 Ývl mn4 æxOY ,-\` @8D5 kM TÉU3 )²M crvY y Z vÝè> Y D# 5 uá` Z# mé v Y ,-\` @8D5 # `MN +3 Z# Ý6l m> Z ò3l mn4 mY ?Y !#Z# mY -=MY ¹ 7 kMY D# 8XY î3 ¶ q` | D#Y Z vÝ 6l m> 3> . . ,,1. 54? A56. ! :' 3!#. ,,1. !#. < A<6. * +3!. B. 54? A56. " . . #4. !#. *+ ( . .3!9. . . ª Y N¬ .:#Y ` Ï: MD&` VW3 yZ `ËMY 3M` vÝGn4 Y 3Z` D Y înO Xr VW3 yZ vÝ6l m> øv â .:#Y Ï: MD# 3 3ZnO vÝvl mn4 Y 7.: ÖqMlY. 3MO VW3 Z # mé µ'Mà> M©D` Y â .:¶ N ¬ .:# JA J/ }Z Y înO v. D&` 2` @# z` , -\` BCD# :¶ JMN Z á` f Ù°Mà> 9` é3ê 2 . X 9` 2# MN 7 O 2 z3 M@v |` }Z3 EF . 1 }3ê é3ê =Màn4 3Ê 2Êá` : JMN D` 3Z{´ M à> ? BCD & z3 _ vÝ 2Ê ZnO PQD MN º æx PQ=^ Ù°Mà>. Saturation index of CaCO3 of the groundwater from the studied area.. Saturation index of CaCO3 of the stream water from the studied area.. <. A<6. . A56. 54?. . . < A<6. . 54? A56. *+ ( . <. A<6. Langelier index. Ryznar index. SUMMER/2000. A B C D E F. -2.32 -2.69 -1.86 -2.10 -1.85 -2.04. 10.84 11.88 10.56 10.80 10.55 10.26. WINTER/2000. A B C D E F. 1.08 0.11 1.94 0.99 1.26 1.95. 4.55 6.29 2.94 4.60 4.26 3.12. Saturation index of CaCO3 of the groundwater from the studied area.. . 8!. . . = 6 =32 6A. Langelier index. Ryznar index. WINTER/1999. 1 3 5 6 8 9. 0.55 0.59 0.65 -2.44 -1.64 -1.88. 7.30 7.23 7.09 12.21 10.64 10.88. SUMMER/2000. 1 3 5 6 8 9. 0.26 0.34 0.65 -3.58 -2.16 -0.27. 7.79 7.62 7.12 13.03 11.16 9.27.

(149) Saturation index of CaCO3 of the stream water from the studied area..

(150)

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(152) ' N¬# JMN

(153) ' â.: &` Dz3 Ar 3Ê 2Ê3 ZAnO _0 z ò' înO 7:ª> MD` V¶ ÇO5O BCD & z3 _ vÝ 2Ê ZnO PQD MN w=2` PQ^ J 7 , -\` óCD5 kª æ` DOe PQD 5 _ vÝvl mé µ'Mà> 3Y ,-./ 3 | D# MN PQ a'nO 8Màé vÝè> Pollution Index for the groundwater in the vicinity of the Woonjeongdong sanitary landfill area. $=K(,-\` BCDY U` 2 z0 _ vÝv ` MDY Hl æ# º M

(154) Ý Ëz 2 z0 |` M©D# JMN _ 0 w ò3l m> BCD & z3 _ º _0 2 z ò3l m> 3Ê æ & ¶ æ0 ,-\` BCD# 0 2Ê ZnO PQD ` %nO 7:X4 æ0 ,-\# óCª MN w=2` PQ^ J 7 ,-\ @8DO 'MN PQ 40 M©D# `T EA' ` óCD5 kª æ` DOe PQD5 _ PQ 40 înO -Fª> vÝvl mé µ'Màn4 3Y $=K(, -\3 | D# MN PQ a'nO 8M M©D & 2 z0 â.:# àé vÝè> C. = 6 =32. 6A. . ,. −. −. −. .,1 , ( "1. . . ;. . ". −. . *+ (. = 6 =32 6A. . . . . 8!. ,. −. , . ,. (. −. 6 . . <. ;. ;. . 7. 7. 5+. ". *+

(155) ( . R-mode factor analysis for the groundwater. Principal Components Factor Factor Factor Factor. 1 2 3 4. Principal Components Factor Factor Factor Factor. 1 2 3 4. Elements of positive factor loading Ca-NO3-Zn-Si-Pb-As-(SO42−) K-Mg-F-Na-Cl-Si-Mn-(SO42−) Fe-Al-Cu-(Pb)-(Zn) F-Mn-(As) Elements of positive factor loading Mg-Na-Ca-As-Zn-NO3 Pb-Cl-Zn-Si-(SO42−) Cu-Si-NO3-(K)-(F-) Fe-Al-F--Mn. Eigen value. Proportion (%). 5.28 3.93 3.49 2.48. 33.01 24.61 21.85 15.54. Eigen value. Proportion (%). 4.41 3.91 3.71 3.15. 33.01 24.61 21.85 15.54. R-mode factor analysis for the stream water. Principal Components Factor Factor Factor Factor. 1 2 3 4. Varimax Factor Factor Factor Factor. 1 2 3 4. Elements of positive factor loading. Eigen value. Proportion (%). Zn-Cu-Fe-Mn-Cl-Pb-(Na)-(K)-(Mg)-(Ca) Na-K-Mg-Ca-Si-NO3--Pb-(Cl-) SO42--(NO3-) As-F-(Si)-(Al). 6.05 4.56 2.20 1.70. 37.87 28.52 13.80 10.67. Elements of posiitive factor loading. Eigen value. Proportion (%). -. 5.13 4.79 2.72 1.87. 37.87 28.52 13.80 10.67. Mn-Fe-Cu-Pb-Zn-F Mg-K-Na-Ca-(Cl-) Si-NO3--(SO42-) As-(Al).

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(157) KMN jh# `MN a' ZCMàl AØ a 'A" ZCM

(158) KT 3Z' ¢Mà> a' |Dá` T 6 M

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(160) ` /¸ Y> a' #Y Ëz 2' (: ` DÉf vÝè> 3Ê0 3 Z` a'A" 54 a'` 3 \DI =+¶ E` z0 & vÝ> [ a' #Y (: ` DÉf .Ml mn4 [ ö#Y nO kXl m> M©D# a' 7 a' ` 3Z Y 2Ê0 [ a' ` 3 \DI Ëz 2Ê` z0 #5Ml ÉO 2' ` z0 2> [ ö a ' 0 U3 @` ]0 á# MY } DÉf 54 3¶Y @H +l 5 ¹ ^3l m> a' Y [ U3 _0 z 2 ò34 Y &0 z ò3Y DÉf ò' > øv [ ö#Y 2' ¶. . . = - ,'-2. 84!!. #3. . D'A. #3. -!2#. . . . . . . ,:1. . −. −. :E:":=+:8!:"1. . . ,. "1. −. . ;. . . −. , . −. ( . 8:,3:=+:E. ;:8!. . . (:8:(:;. *+ . . . . ; ,. . ;. (. ,3. =+. E. −. (. −. ,. −. 1 . −. 8!:( :":8. . . of the Woonjeongdong sanitary landfill area.. . . =+. ;:::,. . ,-\` @8D5 {XY æ` M©DY | M©D# JMN u H` &0 ^ Hl _0 v Ý6Y w ò'> ±nO ¦Ö5 ª $=K (,-\ ®O| °t` '0 «O 01` 7C nO ' °t{²+' ,. U` %

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(162)

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