Ethical Management

Safety, health & environment management

Social contribution
ESG Management
Safety, health & environment management

Performance and Status

Current status of investment in environmental safety
EHS Investment Status
Investment Amount by Year (1M Won)
Energy usage
GHG Emissions
Waste and Recycling
Water usage
Protecting the Atmospheric Environment [Orchang Plant]

* As of 2023

Protecting the Atmospheric Environment - classification, units, emission acceptance criteria, emission concentration and emission concentration relative to emission acceptance criteria.
Type Unit Criteria for allowing discharge Concentration-discharge Concentration-discharge compared to the allowable discharge standard.
Dust mg/S㎥ 30 0.80 3%
Nitrogen oxide ppm 40 14.6 37%
Sulfur oxides ppm 35 - 0%
Ammonia ppm 30 1.5 5%
Nickel mg/S㎥ 2 0.08 4%

Dust

3% 0.8mg/S㎥

Nitrogen oxide

37% 14.6ppm

Sulfur oxides

0% 0ppm

Ammonia

5% 1.5ppm

Nickel

4% 0.08mg/S㎥

Average 11% less of permitted emissions

Protecting the Atmospheric Environment [Pohang Plant]

*As of 2023

Protecting the Atmospheric Environment - classification, units, emission acceptance criteria, emission concentration and emission concentration relative to emission acceptance criteria.
Type Unit Criteria for allowing discharge Concentration-discharge Concentration-discharge compared to the allowable discharge standard.
Dust mg/S㎥ 30 0.38 1%
Nitrogen oxide ppm 40 21.5 54%
Sulfur oxides ppm 10 - 0%
Nickel mg/S㎥ 2 0.04 2%

Dust

1% 0.38mg/S㎥

Nitrogen oxide

54% 21.5ppm

Sulfur oxides

0% 0ppm

Nickel

2% 0.04mg/S㎥

Average 15% less of permitted emissions

Protecting the water quality and environment [Ochang Plant]

*As of 2023

Protecting the water quality and environment - Classification, emissions are divided into discharge concentration, discharge concentration, discharge concentration, discharge concentration, discharge concentration, emissions.
Type Unit Criteria for allowing discharge Concentration-discharge Concentration-discharge compared to the allowable discharge standard.
BOD ppm 100 0.9 1%
TOC ppm 60 3.0 5%
SS ppm 100 3.1 3%

※ Ochang Plant Application of Water Quality Standards for End-of-Waste Treatment Facilities (No T-N/T-P Emission Acceptance Criteria)

BOD

1% 0.9ppm

TOC

5% 3.0ppm

SS

3% 3.1ppm

Average 4% less of permitted emissions

Protecting the water quality and environment [Pohang Plant]

*As of 2023

Protecting the water quality and environment - Classification, emissions are divided into discharge concentration, discharge concentration, discharge concentration, discharge concentration, discharge concentration, emissions.
Type Unit Criteria for allowing discharge Concentration-discharge Concentration-discharge compared to the allowable discharge standard.
BOD ppm 10 0.7 7%
TOC ppm 25 3.7 15%
SS ppm 10 1.2 12%
T-N ppm 20 1.3 6%
T-P ppm 0.5 0.08 16%

※ Application of Water Quality Standards for Public Sewage Treatment Facilities in Pohang

BOD

7% 0.7ppm

TOC

15% 3.7ppm

SS

12% 1.2ppm

T-N

6% 1.3ppm

T-P

16% 0.08ppm

Average 12% less of permitted emissions