Performance and Status

Current Performance of investment in environmental safety

EHS Investment Status

Invenstment Amount by Year (1M Won)

GHG Emissions

Energy usage

Waste and Recycling

Water Usage

Protecting the Atmospheric Environment

*As of 2023

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	1.45	5%
Nitrogen oxide	ppm	40	29.6	74%
Sulfur oxides	ppm	200	0.31	0.2%
Ammonia	ppm	30	1.31	4%
Nickel	mg/S㎥	2	0.04	2%

Dust

5% 1.45mg/S㎥

Nitrogen oxide

74% 29.6ppm

Sulfur oxides

0.2% 0.31ppm

Ammonia

4% 1.31ppm

Nickel

2% 0.04mg/S㎥

Average 18% or less of permitted emissions

Protecting the water quality and environment [Ochang Plant]

*As of 2023

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	40	1.9	5%
TOC	ppm	25	7.9	32%
SS	ppm	10	1.8	18%
T-N	ppm	20	4.3	22%
T-P	ppm	2	0.4	20%

BOD

5% 1.9ppm

TOC

32% 7.9ppm

TSS

18% 1.8ppm

T-N

22% 4.3ppm

T-P

20% 0.4ppm

Average 20% or less of permitted emissions

Type	Unit	Criteria for allowing discharge	Concentration-discharge	Concentration-discharge compared to the allowable discharge standard.
BOD	ppm	40	1.9	5%
TOC	ppm	25	7.9	32%
SS	ppm	10	1.8	18%
T-N	ppm	20	4.3	22%
T-P	ppm	2	0.4	20%

Type	Unit	Criteria for allowing discharge	Concentration-discharge	Concentration-discharge compared to the allowable discharge standard.
BOD	ppm	40	1.9	5%
TOC	ppm	25	7.9	32%
SS	ppm	10	1.8	18%
T-N	ppm	20	4.3	22%
T-P	ppm	2	0.4	20%

Safety, health & environment management

Type	Unit	Criteria for allowing discharge	Concentration-discharge	Concentration-discharge compared to the allowable discharge standard.
BOD	ppm	40	1.9	5%
TOC	ppm	25	7.9	32%
SS	ppm	10	1.8	18%
T-N	ppm	20	4.3	22%
T-P	ppm	2	0.4	20%