Japanese

Environmental Data (FY2015)

■ Higashichita Plant

Environmental Impact Flow

(Decimal rounding off)
Input
Energy Total (Converted to units of heat energy) 1,300,447 GJ
Electricity 97,909 Mwh
City gas 3,363 km3N
LPG 0 t
Petroleum products 217 kl
Coal products 6,489 t
Water Total 135 km3
Chemical Substances PRTR-designated substances 170 t
(Decimal rounding off)
Output
Greenhouse gases CO2 65 kt-CO2 Waste Waste generated 49,645 t
Other 0 kt-CO2 Recycled 49,645 t
Air pollutants NOx 6 t Indirect landfill waste 0 t
SOx 228 t Direct landfill waste 0 t
VOC 8 t Recycling rate 100 %
Water pollutants Wastewater 91 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  10,499 0 0 0 0 4 0 0 0 10,495
071 Ferric chloride 1,652 0 0 0 0 0 0 0 1,652 0
087 Chromium and chromium(III) compounds  67,010 0 0 0 0 2,472 0 19,825 0 44,713
188 N,N-Dicyclohexylamine  3,321 0 0 0 0 3,321 0 0 0 0
277 Triethylamine 2,372 2,302       70        
308 Nickel 5,241         123       5,118
411 Formaldehyde 1,216 1,209 0 0 0 8 0 0 0 0
412 Manganese and its compounds  54,036 0 0 0 0 11,465 0 0 0 42,570
453 Molybdenum and its compounds  21,644 0 0 0 0 65 0 0 0 21,579
*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 30
Melting and holding furnace 180 51
SOx (m3N/h) ( Total volume control ) 1.507 0.04
Particulate matter (g/m3N) Boiler, High frequency melting furnace, cupola furnace 0.05 0.03
Melting and holding furnace 0.2 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 7.9 7.0 7.3
BOD 15 7.6 N.D. 1.7
COD 15 9.2 0.3 3.0
SS 15 10.0 N.D. 1.6
n-hexane extractable material 2 0.5 N.D. 0.2
Phenol 0.5 N.D. N.D. N.D.
Copper 1 N.D. N.D. N.D.
Zinc 1 0.17 N.D. 0.03
Soluble iron 0.5 0.23 N.D. 0.07
Soluble manganese 0.5 0.07 N.D. 0.02
Chromium 0.2 N.D. N.D. N.D.
Nitrogen oxide 23.4 6.40 0.16 2.12
Phosphorous 2.5 0.71 0.04 0.27
Cadmium 0.03 N.D. N.D. N.D.
Total cyanide 1 0.02 N.D. 0.01
Lead 0.1 N.D. N.D. N.D.
Hexavalent chromium 0.5 0.020 N.D. 0.008
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 0.10 0.02 0.07
Fluorine 5 0.32 0.10 0.21

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

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