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Environmental Data (FY2013)

■ Higashichita Plant

Environmental Impact Flow

(Decimal rounding off)
Input
Energy Total (Converted to units of heat energy) 1,389,661 GJ
Electricity 105,394 Mwh
City gas 3,640 km3N
LPG -
Petroleum products 262 kl
Coal products 6,571 t
Water Total 153 km3
Chemical Substances PRTR-designated substances 231 t
(Decimal rounding off)
Output
Greenhouse gases CO2 61 kt-CO2 Waste Waste generated 55,593 t
Other - Recycled 55,593 t
Air pollutants NOx 7 t Indirect landfill waste -
SOx 0 t Direct landfill waste -
VOC 14 t Recycling rate 100 %
Water pollutants Wastewater 102 km3 Municipal waste 3 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
031 Antimony and its compounds  10,994         4       10,990
071 Ferric chloride 5,123   4,099     1,025        
087 Chromium and chromium(III) compounds  76,686         3,943   1,300   71,443
188 N,N-Dicyclohexylamine  4,062         4,062        
277 Triethylamine 2,950 2,824       126        
300 Toluene 1,455 1,051       0       403
308 Nickel 6,122         151       5,971
411 Formaldehyde 894 886       8        
412 Manganese and its compounds  97,971         20,787       77,184
453 Molybdenum and its compounds  21,945         66       21,879
*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 120 27
SOx (m3N/h) ( Total volume control ) 1.507 0.12
Particulate matter (g/m3N) Boiler, High frequency melting furnace, cupola furnace 0.05 N.D.
Melting and holding furnace 0.4 N.D.

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

Item Control Value Actual Measurement
Maximum Minimum Average
pH 5.0-9.1 8.0 6.5 7.4
BOD 15 9.0 0.2 1.6
COD 15 8.2 N.D. 2.2
SS 15 2.0 N.D. 0.5
n-hexane extractable material 2 0.6 N.D. 0.2
Phenol 0.5 0.24 N.D. 0.06
Copper 1 N.D. N.D. N.D.
Zinc 1 0.076 0.010 0.031
Soluble iron 0.5 0.170 N.D. 0.047
Soluble manganese 0.5 0.015 N.D. 0.007
Chromium 0.2 N.D. N.D. N.D.
Nitrogen oxide 23.4 4.22 0.14 1.44
Phosphorous 2.5 0.47 0.06 0.20
Cadmium 0.1 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 0.016 N.D. 0.005
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 230 0.12 N.D. 0.02
Fluorine 5 0.17 N.D. 0.09

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

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