Nagakusa Plant

Environmental Impact Flow

(Decimal rounding off)
Input
Energy Total (Converted to units of heat energy) 1,221,845 GJ
Electricity 59,744 Mwh
City gas 13,803 km3N
LPG 104 t
Petroleum products 172 kl
Coal products 0 t
Water Total 691 km3
Chemical Substances PRTR-designated substances 734 t
(Decimal rounding off)
Output
Greenhouse gases CO2 53 kt-CO2 Waste Waste generated 2,801 t
Other 0 kt-CO2 Recycled 2,801 t
Air pollutants NOx 24 t Indirect landfill waste 0 t
SOx 0 t Direct landfill waste 0 t
VOC 839 t Recycling rate 100 %
Water pollutants Wastewater 648 km3 Municipal waste 478 t
COD 7 t
Nitrogen 11 t
Phosphorous 0 kg

PRTR*1

(kg Decimal rounding off)
Ordinance No.Chemical SubstanceAmount HandledReleased VolumeTransferred VolumeVolume RecycledVolume RemovedConsumption Volume*2
AirWaterSoilOn-site LandfillWasteSewage
001 Zinc compounds(water-soluble) 16,892 0 1,436 0 0 0 0 0 1,943

13,513

053 Ethylbenzene 78,809 34,172 0 0 0 0 0 14,256 7,695 22,685
071 Ferric chloride 43,919 0 0 0 0 0 0 0 43,919 0
080 Xylene 165,366 42,484 0 0 0 0 0 18,092 8,385 96,405
239 Organic tin compounds 1,177 0 3 0 0 222 0 0 11 942
296 1,2,4-Trimethylbenzene 99,882 32,744 0 0 0 0 0 9,030 7,270 50,838
297 1,3,5-Trimethylbenzene 29,533 15,757 0 0 0 0 0 11,488 2,288 0
300 Toluene 192,100 27,239 0 0 0 0 0 0 1,714 163,148
302 Naphthalene 1,461 1,090 0 0 0 0 0 0 371 0
309 Nickel compounds 3,960 0 75 0 0 1,905 0 0 0 1,980
392 n-Hexane 63,419 332 0 0 0 0 0 0 0 63,086
400 Benzene 10,900 1 0 0 0 0 0 0 0 10,899
407 Poly(oxyethylene) alkyl ether (alkyl C=12-15) 3,035 0 608 0 0 2,120 0 0 307 0
411 Formaldehyde 2,342 1,641 0 0 0 0 0 0 700 0
412 Manganese and its compounds 3,913 0 1,663 0 0 293 0 0 0 1,957

*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 31
Boiler 123 32
Drying oven 184 110
Internal combustion engines 200 110
Drying oven 218 N.D.
Particulate matter (g/m3N) Internal combustion engines 0.05 N.D.
Boiler 0.1 N.D.
Drying oven 0.2 N.D.
Drying oven 0.35 N.D.

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

ItemStandard ValueActual Measurement
MaximumMinimumAverage
pH 5.8-8.6 7.4 6.8 7.1
BOD 25 2.83 0.25 1.49
COD 15.1 7.30 10.2
SS 30 1.60 N.D. 0.54
n-hexane extractable material 5 1.3 0.20 0.75
Phenol 5 N.D. N.D. N.D
Copper 1 0.04 N.D. 0.01
Zinc 2 0.52 0.08 0.24
Soluble iron 10 0.58 0.03 0.29
Soluble manganese 10 0.59 0.03 0.13
Chromium 2 N.D. N.D. N.D
Total nitrogen 120 23.04 5.76 13.33
Total phosphorus 16 0.19 0.01 0.09
Cadmium 0.03 N.D. N.D. N.D
Total cyanide 1 N.D. 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 0.08 N.D. N.D.
Fluorine 8 0.23 0.06 0.13

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