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Environmental Data

Environmental Data

2019 Environmental Data

Environmental data of Fujisawa Plant in 2019
Primary emission values related to main atmospheric and water quality indicators
are as follows:

■ Atmosphere
Item Equipment Regulation Factory-controlled
value
Measurement record Remarks
NOx(ppm)
Boiler 60 48 35 No1
60 48 34 No2
60 48 32 No3
Metal furnace 180 144 Less than 10 No3
180 144 Less than 10 No5
Soot and dust
(g/Nm3)
Boiler 0.3 0.24 Less than 0.001 No1
0.3 0.24 Less than 0.001 No2
0.3 0.24 Less than 0.001 No3
Metal furnace 0.2 0.16 Less than 0.001 No3
0.2 0.16 Less than 0.001 No5
SOx(Nm3/h)
Metal furnace 0.071 0.057 Less than 0.001 No3
0.071 0.057 Less than 0.001 No5
■ Water quality
Item Regulation Factory-controlled
value
Measurement record
Max. Min. Average
pH 5.8~8.6 6.1~8.3 7.8 7.1 7.3
COD(mg/L) 60 or less 50 or less 28.1 6.6 11.6
BOD(mg/L) 60 or less 50 or less 27.7 3.4 9.2
SS(mg/L) 90 or less 75 or less 3.2 Less than 1.0 2.1
Oil content(mg/L) 5 or less 4 or less 1.0 Less than 0.5 0.8
Zinc content(mg/L) 2 or less 1.6 or less Less than 0.1 Less than 0.1 Less than 0.1
Lead content(mg/L) 0.1 or less 0.08 or less Less than 0.01 Less than 0.01 Less than 0.01
Fluorine content (mg/L) 8 or less 6 or less 1.1 Less than 0.2 0.7

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