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

Air Quality Preservation Status (Ochang Plant)

* As of 2024

대기 환경 보전 - 구분, 단위, 배출 허용 기준, 배출 농도, 배출 허용 기준 대비 배출 농도로 구분되어 있습니다.
Type	Unit	Criteria for allowing discharge	Concentration-discharge	Concentration-discharge compared to the allowable discharge standard.
Dust	mg/S㎥	30	1.4	4.7%
Nitrogen oxide	ppm	40	8.2	20.5%
Sulfur oxides	ppm	35	0.5	1.4%
Ammonia	mg/S㎥	2	0.03	1.5%
Nickel	ppm	30	0.74	2.5%

Dust

4.7% 1.4mg/S㎥

Nitrogen oxide

20.5% 8.2ppm

Sulfur oxides

1.4% 0.5ppm

Ammonia

1.5% 0.03mg/S㎥

Nickel

2.5% 0.74ppm

Average 7% less of permitted emissions

Air Quality Preservation Status (Pohang Plant)

* As of 2024

대기 환경 보전 - 구분, 단위, 배출 허용 기준, 배출 농도, 배출 허용 기준 대비 배출 농도로 구분되어 있습니다.
Type	Unit	Criteria for allowing discharge	Concentration-discharge	Concentration-discharge compared to the allowable discharge standard.
Dust	mg/S㎥	30	0.39	1.3%
Nitrogen oxide	ppm	40	13.7	34.3%
Sulfur oxides	ppm	10	0	0%
Nickel	mg/S㎥	2	0.05	2.5%

Dust

1.3% 0.39mg/S㎥

Nitrogen oxide

34.3% 13.7ppm

Sulfur oxides

0% 0ppm

Nickel

2.5% 0.05mg/S㎥

Average 9.5% less of permitted emissions

Water Quality Preservation Status (Oohang Plant)

* As of 2024

대기 환경 보전 - 구분, 단위, 배출 허용 기준, 배출 농도, 배출 허용 기준 대비 배출 농도로 구분되어 있습니다.
Type	Unit	Criteria for allowing discharge	Concentration-discharge	Concentration-discharge compared to the allowable discharge standard.
BOD	ppm	100	0.59	0.6%
TOC	ppm	60	2.97	5%
SS	ppm	100	1.92	1.9%

BOD

0.6% 0.59ppm

TOC

5% 2.97ppm

1.9% 1.92ppm

Average 3% less of permitted emissions

Water Quality Preservation Status (Pohang Plant)

* As of 2024

수질 환경 보전 - 구분, 단위, 배출 허용 기준, 배출 농도, 배출 허용 기준 대비 배출 농도로 구분되어 있습니다.
Type	Unit	Criteria for allowing discharge	Concentration-discharge	Concentration-discharge compared to the allowable discharge standard.
BOD	ppm	10	2	20%
TOC	ppm	25	1.1	4.4%
SS	ppm	10	0.15	1.5%
T-N	ppm	20	0.1	0.5%
T-P	ppm	2	0.1	5%

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

BOD

20% 2ppm

TOC

4.4% 1.1ppm

1.5% 0.15ppm

T-N

0.5% 0.1ppm

T-P

5% 0.1ppm

Average 7% less of permitted emissions

Occupational Safety, Health & Environment Management

Performance and Status