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[Emission]
More than 99.5 % of a discharge is subjected to the thermal recycling thermal or the material recycling.
  Unit FY 2012 FY 2013 FY 2014 FY 2015 FY 2016
Total discharge amount including waste ton 245 266 239 247 355
Sludge kg 187,470 209,501 183,470 185,467 289,365
Metals (battery) kg 72 150 52 33 38
Wood kg 2,540 2,410 1,340 2,660 5,010
Oil kg 7,708 11,128 11,903 11,520 11,400
Asid kg 327 947 638 466 479
Alkali kg 16,130 15,958 20,449 17,336 16,422
Glass & Ceramic kg 15,454 12,980 13,061 15,628 19,845
Plastic kg 15,409 13,903 8,866 13,749 12,799
Burnable Waste kg - - - - -
Others kg - - - - -

[Emission]
More than 99.5 % of a discharge is subjected to the thermal recycling thermal or the material recycling.
  Unit FY 2013 FY 2014 FY 2015 FY 2016 FY 2017
Total discharge amount including waste ton 266 239 247 355 442
Sludge kg 209,501 183,470 185,467 289,365 359,416
Metals (battery) kg 150 52 33 38 64
Wood kg 2,410 1,340 2,660 5,010 2,510
Oil kg 11,128 11,903 11,520 11,400 11,193
Asid kg 947 638 466 479 852
Alkali kg 15,958 20,449 17,336 16,422 19,718
Glass & Ceramic kg 12,980 13,061 15,628 19,845 18,310
Plastic kg 13,903 8,866 13,749 12,799 21,291
Burnable Waste kg - - - - -
Others (low concentration PCB) kg - - - - 8,497

[Water Quality]
As to drainage, according to the inspection based on the laws and regulations, there is no problem.
Below are result of 2017 check.
Hazardous substance
  Unit Limit Meas't
Cadmium and its Compounds mg/l 0.1 < 0.001
Cyanide mg/l 1 < 0.1
Organophosphorus mg/l 1 < 0.10
Lead and its Compounds mg/l 0.1 < 0.05
Chromium mg/l 0.5 < 0.01
Arsenic and its Compounds mg/l 0.1 < 0.005
Mercury and its Compounds mg/l 0.005 < 0.0005
Alkyl mercury compound - Not to be detected Not to be detected
Polychlorinated biphenyl mg/l 0.003 < 0.0005
Trichloroethylene mg/l 0.1 < 0.002
Tetrachloroethylene mg/l 0.1 < 0.0005
Dichloromethane mg/l 0.2 < 0.002
Carbon tetrachloride mg/l 0.02 < 0.002
1, 2 - Dichloroethane mg/l 0.04 < 0.004
1, 1 - Dichloroethylene mg/l 1 < 0.02
Cis - 1, 2 - Dichloroethylene mg/l 0.4 < 0.04
1, 1, 1 - Trichloroethane mg/l 3 < 0.0005
1, 1, 2 - Trichloroethane mg/l 0.06 < 0.006
1, 3 - Dichloropropene mg/l 0.02 < 0.002
Thiuram mg/l 0.06 < 0.006
Simazin mg/l 0.03 < 0.001
Benthiocarb mg/l 0.2 < 0.002
Benzene mg/l 0.1 < 0.01
Selenium and its Compounds mg/l 0.1 < 0.02
Boron and its Compounds mg/l 10 < 0.1
Fluorine and its Compounds mg/l 8 5.1
1, 4 - Dioxane mg/l 0.5 < 0.05
Ammonia and its Compounds mg/l 100 9.1
 
other drainage
  Unit Limit Meas't
pH pH 5.8≤ χ ≤8.6 7.4
BOD mg/l 160 34.6
COD mg/l 160 8
SS mg/l 200 7.2
n-Hex (mineral oil) mg/l 5 < 1.0
Phenol mg/l 5 < 0.10
Copper mg/l 3 < 0.10
Zinc mg/l 2 < 0.10
s-Fe mg/l 10 < 1.0
s-Mn mg/l 10 < 1.0
Nitrogen mg/l 120 1.6
Phosphorus mg/l 16 < 0.10
  Unit FY 2013 FY 2014 FY 2015 FY 2016 FY 2017
Kerosene ton 0 0 0 0 0
Type A Heavy Oil 4,040 630 1,140 1,840 670
Utility Gas ton 0 0 0 0 0
LPG m3 108,005 84,896 57,854 65,987 75,250
Electric Power MWh 35,199 32,402 29,983 32,294 36,311
Water m3 259,481 258,016 195,051 241,712 315,647

 

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