Japanese

Environmental Data (FY2015)

■ Obu Plant

Environmental Impact Flow

(Decimal rounding off)
Input
Energy Total (Converted to units of heat energy) 521,539 GJ
Electricity 18,185 Mwh
City gas 7,449 km3N
LPG 0 t
Petroleum products 62 kl
Coal products 0 t
Water Total 216 km3
Chemical Substances PRTR-designated substances 17 t
(Decimal rounding off)
Output
Greenhouse gases CO2 23 kt-CO2 Waste Waste generated 212 t
Other 0 kt-CO2 Recycled 212 t
Air pollutants NOx 13 t Indirect landfill waste 0 t
SOx 0 t Direct landfill waste 0 t
VOC 0 t Recycling rate 100 %
Water pollutants Wastewater 39 km3 Municipal waste 136 t
COD 0 t  
Nitrogen 0 t
Phosphorous 0 t

PRTR*1

(kg Decimal rounding off)
Ordinance No. Chemical Substance Amount Handled Released Volume Transferred Volume Volume recycled Volume Removed
Air Water Soil On-site Landfill Waste Sewage
087 Chromium and chromium(III) compounds  10,113 0 0 0 0 0 0 10,113 0 0
308 Nickel  5,358 0 0 0 0 0 0 5,358 0 0
412 Manganese and its compounds   1,000 0 0 0 0 0 0 1,000 0 0
*1
Only chemical substances that are notified based on Pollutant Release and Transfer Register (Class I designated chemical substance that is over 1000kg, and Specified Class I designated chemical substance that is over 500kg) are on the list.
*2
Amount of materials used for our products are included

Air (Complying with the Air Pollution Control Law, Prefectural Ordinances)

Item Equipment Control Value Actual Measurement(Maximum)
NOx (ppm) Boiler, Melting furnace 120 27
Internal combustion engines 200 140
Melting furnace 144 42
Particulate matter (g/m3N) Boiler, Melting furnace 0.1 N.D.
Internal combustion engines 0.05 0.007
Melting furnace 0.2 0.019

Water (Complying with the Water Pollution Prevention Law, Prefectural Ordinances)

Item Control Value Actual Measurement
Maximum Minimum Average
pH 5.8-8.6 7.6 7.0 7.3
BOD 20 2.2 N.D. 0.8
COD - 5.0 N.D. 2.1
SS 20 2.0 N.D. 0.3
n-hexane extractable material 2 0.5 N.D. 0.2
Phenol 1 N.D. N.D. N.D.
Copper 1 0.08 N.D. 0.01
Zinc 2 0.44 0.02 0.12
Soluble iron 10 0.30 N.D. 0.13
Soluble manganese 10 N.D. N.D. N.D.
Chromium 2 N.D. N.D. N.D.
Nitrogen oxide - 1.63 0.38 0.79
Phosphorous - 0.18 N.D. 0.07
Cadmium 0.03 N.D. N.D. N.D.
Total cyanide 1 0.01 N.D. 0.01
Lead 0.1 N.D. N.D. N.D.
Hexavalent chromium 0.5 0.010 N.D. 0.006
Arsenic 0.1 N.D. N.D. N.D.
Total mercury 0.005 N.D. N.D. N.D.
Selenium 0.1 N.D. N.D. N.D.
Boron 10 0.09 0.04 0.06
Fluorine 8 0.25 0.11 0.15

*
N.D. Lower than the limit to be detectable or one-tenth of the control value

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