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Environment
Towards an Environmentally Advanced Company
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Environmental Management
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Sakai Plant
Shiga Plant
Yodogawa Plant
Kashima Plant
History of Environmental Activities

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The Basic of Air Conditioners and the Environment
Environmental Impact of Refrigerants
Reforestation in Indonesia
The Daikin Environment Symbol

Environment Environmental Inspection Data

Yodogawa Plant

Yodogawa Plant: Fiscal 2008

Yodogawa Plant Outline

Main products Fluorochemical products, Air conditioning and refrigeration equipment, hydraulic equipment, precision defense equipment
Number of employees 1,509 persons
Site area Approx 413,000m2
Acquisition of ISO14001 Certification Jan. 1997
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INPUT/OUTPUT

Input items

Energy
Electricity 17,302MWh
Gas 3,210km3
Oil -
Steam -
Water 980km3

Output items (emission/recovery/recycling)

Air Emissions
CO2 associated with the use of energy 69,135t-CO2
Other greenhouse gas emissions 140,908t-CO2
NOx 36.78t
SOx 0.00t
VOC 25.07t
PRTR Law Substances 138.49t
Discharged into water and soil
Effluent water 1,180km3
PRTR Law Substances 0.96t
COD 0.00t
Waste
PRTR Law Substances 75.82t
Waste generated 17,814t
 
Amounts of wastes disposed by landfill and incineration 143t
Amounts of resources recycling 17,671t

* PRTR Law Substances processed at each factory amounting to 1 ton or more per year.

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Environmental Inspection Data

Amount of PRTR Law Substances

(tons/year)
Substance Emission volume Transfer volume Removal volume
Atmosphere Public water Sewage Waste
Dichloromethane 24.00 0.00 0.00 0.04 0.00
Tetrafluoroethylene 65.00 0.00 0.00 0.09 17.00
Chlorodifluoromethane (HCFC-22) 25.00 0.00 0.00 0.00 24.00
2-chloro-1,1,1,2-tetrafluoroethane (HCFC22) 2.10 0.00 0.00 0.00 18.00
1-chloro-1,2-difluoroethane (HCFC-142b) 9.30 0.00 0.00 0.00 3.60
1,1-dichloro-1-fluoroethane (HCFC-141b) 12.00 0.00 0.00 4.10 0.00
Xylene 0.65 0.00 0.00 1.50 2.00
Toluene 0.42 0.00 0.00 0.24 3.30
Hydrogen fluoride and its salt 0.01 0.00 0.00 48.00 570.00
Chloroform 0.00 0.00 0.00 2.00 0.00
Water-soluble zinc compound 0.00 0.00 0.95 0.03 0.76
Poly (oxyethylene) = octyl phenyl ether 0.00 0.00 0.01 2.30 0.00
Acrylic acid 0.00 0.00 0.00 7.80 0.00
Antimony and its compound 0.00 0.00 0.00 2.90 0.00
Acetonitrile 0.01 0.00 0.00 2.70 0.00
Ethylene glycol 0.00 0.00 0.00 1.60 0.00
Bisphenol A-type expoxy resin 0.00 0.00 0.00 0.02 0.10
Hydroquinone 0.00 0.00 0.00 1.30 0.00
3-methyl pyridine 0.00 0.00 0.00 1.20 0.00
Total 138.49 0.00 0.96 75.82 638.76
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Atomospheric pollution measurement

(NOx:ppm SOx:m3N/h Particulate:g/m3N)
Measurement material Facility Government or municipal standard Measurement (largest value)
NOx Kiln 180 69.5
Boiler - 2.2
Reacting furnace1 180 58
Reacting furnace2 180 66.75
Reacting furnace3 180 69.9
Refrigerator 150 24.5
Incinerator 250 29.5
SOx Incinerator 0.55 <0.003
Particulate Kiln 0.1 <0.005
Boiler - <0.005
Reacting furnace1 0.1 <0.005
Reacting furnace2 0.1 <0.005
Reacting furnace3 0.1 <0.005
Refrigerator 0.05 <0.005
Drying oven 0.1 <0.005
Incinerator 0.15 0.007

Water pollution measurement

(mg/l)
Measurement material Government standard Measurement (largest value)
Living environment items Nitrite-nitrogen, nitrate-nitrogen compounds 100 0.08
Biochemical oxygen demand [BOD] 300 4.58
Chemical oxygen demand [COD] - 7.42
Suspended solids 300 4.96
Copper and its compound 3 0.01
Zinc and its compound 2 0.34
Soluble iron and its compound 10 0.08
Soluble manganese and its compound 10 0.45
Chrome and its compound 2 0.19
Phosphorous content 20 0.15
Nitrogen content 150 13.4

The following materials were below the detectable limit;
cyan, organic phosphorus, lead, arsenic, mercury, alkyl mercury, PCB, Trichloroethylene, carbon tetrachloride, 1.2-dicloroethane, 1,1,1-trichloroethane, Normal hexane extracts (animal and vegetable oil), Normal hexane extracts (mineral oil)

Noise generated

(dB)
  Government or municipal standard Measurement
(largest value)
Daytime 70 59.5
Morning and night 65 61
Nighttime 60 54

Vibrations generated

(dB)
  Government or municipal standard Measurement
(largest value)
Daytime 70 45
Nighttime 60 <25
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