Japanese

Environmental Data (FY2013)

■ Nagakusa Plant

Environmental Impact Flow

(Decimal rounding off)
Input
Energy Total (Converted to units of heat energy) 1,275,892 GJ
Electricity 40,172 Mwh
City gas 18,969 km3N
LPG 100 t
Petroleum products 171 kl
Coal products -
Water Total 739 km3
Chemical Substances PRTR-designated substances 717 t
(Decimal rounding off)
Output
Greenhouse gases CO2 56 kt-CO2 Waste Waste generated 2,414 t
Other 0 kt-CO2 Recycled 2,414 t
Air pollutants NOx 33 t Indirect landfill waste -
SOx - Direct landfill waste -
VOC 853 t Recycling rate 100 %
Water pollutants Wastewater 607 km3 Municipal waste 22 t
COD 6 t  
Nitrogen 12 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
001 Zinc compounds(water-soluble)  13,067   1,120           1,502 10,446
053 Ethylbenzene 70,189 37,188         60 5,404 7,841 19,696
071 Ferric chloride 60,724           60,724      
080 Xylene  183,688 54,069         79 6,878 8,820 113,844
239 Organic tin compounds  2,083   6       392   19 1,666
296 1,2,4-Trimethylbenzene  73,271 23,259         49 19 5,875 44,069
297 1,3,5-Trimethylbenzene  26,136 21,480         38 2,592 2,027  
300 Toluene  211,238 42,316           57 1,819 167,045
302 Naphthalene  1,506 1,118           7 381  
309 Nickel compounds  3,372   64       1,621     1,688
392 n-Hexane  55,055 408         0     54,647
400 Benzene  7,607 1               7,606
407 Poly(oxyethylene) alkyl ether (alkyl C=12-15)  3,262   652       2,283   326  
411 Formaldehyde  2,072 1,449         3   620  
412 Manganese and its compounds  3,507   1,491       263     1,754
*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 35 33
Boiler 120 40
Boiler 123 35
Drying oven 184 94
Internal combustion engines 200 150
Drying oven 218 N.D.
Drying oven 237 N.D.
Particulate matter (g/m3N) Boiler, internal combustion engines 0.05 N.D.
Boiler 0.1 N.D.
Drying oven 0.2 0.006
Drying oven 0.35 N.D.

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

Item Control Value Actual Measurement
Maximum Minimum Average
pH 5.8-8.6 8.0 6.2 6.9
BOD 20 4.6 0.6 1.9
COD 25 15.3 5.7 9.1
SS 20 2.2 N.D. 0.5
n-hexane extractable material 5 1.0 N.D. 0.4
Phenol 5 N.D. N.D. N.D.
Copper 1 N.D. N.D. N.D.
Zinc 2 1.426 0.215 0.678
Soluble iron 10 0.850 0.091 0.331
Soluble manganese 10 1.283 N.D. 0.262
Chromium 2 N.D. N.D. N.D.
Nitrogen oxide 60 24.00 6.72 17.00
Phosphorous 16 0.24 0.02 0.07
Cadmium 0.1 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 0.008 N.D. 0.005
Arsenic 0.1 0.001 N.D. 0.001
Total mercury 0.005 N.D. N.D. N.D.
Selenium 0.1 N.D. N.D. N.D.
Boron 10 0.05 N.D. 0.02
Fluorine 8 1.58 0.39 0.90

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

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