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Vietnam Plant: Environmental Data (FY 2021)

Environmental Performance

Category Unit FY2020 FY2021
Energy use kL per year (crude oil equivalent) 3,042 2,557
COemissions t-CO2 per year 4,928 3,737
Water use m³ per year 95,648 90,286
Industrial waste generation kg per year 920,268 782,434

Wastewater Quality

Category Unit Regulatory threshold Voluntary standards Measured values
Average values Maximum values Measurement frequency
Hydrogen ion concentration index (pH) - 6.0~9.0 6.5~8.5 7.3 7.6 Once a month
Biochemical oxygen demand (BOD) mg/L 50 40 22.2 27 Once a month
Chemical oxygen demand (COD) mg/L 150 100 43.6 53.6 Once a month
Total suspended solids (TSS) mg/L 100 80 44.2 76 Once a month
Total nitrogen (T-N) mg/L 20 18 17.8 16.1 Once a month
Total phosphorus (T-P) mg/L 5 3.5 2.4 2.9 Once a month
Ammonia mg/L 8 5 3.0 3.9 Once a month
Coliform count per cm³ 5,000 4,500 3,700 4,300 Once a month

Noise and Vibration

No exceedance of standard values

Dusts

No exceedance of standard values
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