Higashichita Plant

Environmental Impact Flow

(Decimal rounding off)
Input
Energy Total (Converted to units of heat energy) 1,268,669 GJ
Electricity 94,466 Mwh
City gas 3,449 km3N
LPG 4 t
Petroleum products 186 kl
Coal products 6,492 t
Water Total 126 km3
Chemical Substances PRTR-designated substances 194 t
(Decimal rounding off)
Output
Greenhouse gases CO2 63 kt-CO2 Waste Waste generated 46,840 t
Other 0 kt-CO2 Recycled 46,840 t
Air pollutants NOx 6 t Indirect landfill waste 0 t
SOx 156 t Direct landfill waste 0 t
VOC 8 t Recycling rate 100 %
Water pollutants Wastewater 47 km3 Wastewater 3 t
COD 0 t
Nitrogen 0 t
Phosphorous 0 kg

PRTR*1

(kg Decimal rounding off)
Ordinance No.Chemical SubstanceAmount HandledReleased VolumeTransferred VolumeVolume RecycledVolume RemovedConsumption Volume*2
AirWaterSoilOn-site LandfillWasteSewage
031 Antimony and its compounds 10,004 0 0 0 4 0 0 0 10,000
087 Chromium and chromium(III) compounds 68,912 0 0 0 0 2,563 0 19,825 0 46,524
188 N,N-Dicyclohexylamine 2,775 0 0 0 0 2,775 0 0 0 0
277 Triethylamine 2,648 2,480 0 0 0 168 0 0 0 0
308 Nickel 6,107 0 0 0 0 136 0 0 0 5,971
411 Formaldehyde 1,034 1,031 0 0 0 4 0 0 0 0
412 Manganese and its compounds 82,213 0 0 0 0 17,443 0 0 0 64,770
453 Molybdenum and its compounds 18,634 0 0 0 0 56 0 0 0 18,578

*1 Only chemical substances that are notified based on Pollutant Release and Transfer Register (Class I designated chemical substance that is over 1,000kg, 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)

ItemEquipmentControl ValueActual Measurement (Maximum)
NOx (ppm) Boiler 120 30
Melting and holding furnace 180 30
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 0.2 N.D.
Melting and holding furnace 0.4 N.D.

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

ItemStandard ValueActual Measurement
MaximumMinimumAverage
pH 5.0-9.1 7.7 6.8 7.3
BOD 15 1.64 N.D. 0.54
COD 15 6.50 0.70 2.6
SS 15 4.2 N.D. 0.79
n-hexane extractable material 2 0.7 N.D. 0.33
Phenol 0.5 N.D. N.D. N.D.
Copper 1 N.D. N.D. N.D.
Zinc 1 0.2 N.D. 0.05
Soluble iron 0.5 0.04 N.D. 0.01
Soluble manganese 0.5 N.D. N.D. N.D.
Chromium 0.2 N.D. N.D. N.D.
Total nitrogen 120 5.60 0.05 0.73
Total phosphorus 16 0.75 0.01 0.13
Cadmium 0.03 N.D. N.D. N.D.
Total cyanide 1 N.D. N.D. N.D.
Lead 0.1 N.D. N.D. N.D.
Hexavalent chromium 0.5 0.008 0.008 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 0.07 0.02 0.04
Fluorine 5 0.25 0.05 0.09

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