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China Plant:
Environmental Data (FY 2021)

Environmental Performance

Category Unit FY2020 FY2021
Energy use kL per year
(crude oil equivalent)
10,007 10,648
CO2 emissions t-CO2 per year 20,314 21,619
Water use m³ per year 373,951 362,337
Industrial waste generation kg per year 469,606 427,777
Wastewater discharge
(water treatment facility)
m³ per year 10,187 13,038

Exhaust Air

Category Unit Regulatory threshold Voluntary standards Measured values
Average values Maximum values Measurement frequency
Dust and soot mg/m³ 20 20 3.03 - Once a year
NOx*1 mg/m³ 150 120 68 - Once a year
SO2 mg/m³ 50 25 0 - Once a year
VOCs mg/m³ 80 80 17.59 29.6 Once every 3 months
NMHC*2 mg/m³ 100 50 1.34 3.58 Once every 3 months

*1. Nitrogen oxides

*2. Non-methane hydrocarbons

Wastewater Quality

Category Unit Regulatory threshold Voluntary standards Measured values
Average values Maximum values Measurement frequency
Hydrogen ion concentration (pH) - 6~9 6.5~8.5 7.62 7.66 Once every 3 months
Biochemical oxygen demand (BOD) mg/L 20 15 0.6 4.8 Once every 3 months
Chemical oxygen demand (COD) mg/L 90 60 5 18 Once every 3 months
Suspended solids (SS) mg/L 60 50 9 9.2 Once every 3 months
Ammoniacal nitrogen (NH3-N) mg/L 10 3 0.114 0.309 Once every 3 months
Phosphorus mg/L 0.5 0.4 0.05 0.28 Once every 3 months
Mineral oils mg/L 5 1 0.23 0.34 Once every 3 months

Exhaust Air Total discharge load

(Unit: ton)

Category Total discharge load
FY2020 FY2021
Dust and soot 0.0597 0.0588
NOx 1.430 1.356
SOx* 0 0
VOCs 8.181 6.293
NMHC 0.0961 0.0882

* Sulfur oxides

Wastewater Quality Total discharge load

(Unit: ton)

Category Total discharge load
FY2020 FY2021
Biochemical oxygen demand (BOD) 0.034 0.006
Chemical oxygen demand (COD) 0.168 0.054
Suspended solids (SS) 0.107 0.097
NH3-N 0.0006 0.001
Phosphorus 0.0003 0.0005
Mineral oils 0.0047 0.0025

Noise and Vibration

No exceedance of standard values
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