Data on our Sustainability

Unless otherwise mentioned in a note, the scope of the calculations encompasses Toho Titanium Co., Ltd. and a consolidated subsidiary in Japan.

Environmental safety

Water discharge

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Amount of discharge Total 1,000 m3 1,304 1,429 1,550 1,658 1,515
Amount of discharge
(excluding discharge to the sea)		 1,000 m3 940 1,081 1,151 1,237 1,123
Breakdown Rivers 1,000 m3 434 544 625 587 471
Sewerage 1,000 m3 435 470 453 576 579
Other 1,000 m3 71 67 73 74 73
Sea 1,000 m3 364 348 399 421 392
Discharge to a body of water BOD t 0.65 0.85 0.47 0.88 0.59
COD t 1.39 2.00 2.36 2.31 2.12
Nitrogen t 1.11 0.58 0.78 0.71 0.59
Phosphorus t 0.07 0.04 0.06 0.05 0.04

Amount of discharge in each place

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Total discharge 1,000 m3 1,304 1,429 1,550 1,658 1,515
Discharge (sea) 1,000 m3 364 348 399 421 392
Discharge (surface water) 1,000 m3 434 544 625 587 471
Discharge (groundwater) 1,000 m3 – – – – –
Discharge (third party treatment) 1,000 m3 506 537 526 650 652

Water intake from each water source

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Total water intake 1,000 m3 1,866 2,115 2,341 2,411 2,180
Water intake (surface water) 1,000 m3 – – – – –
Water intake (groundwater) 1,000 m3 1,224 1,370 1,530 1,596 1,415
Water intake
(waterworks/industrial water)		 1,000 m3 641 745 811 815 765
Water intake (seawater) 1,000 m3 – – – – –

Emissions to the atmosphere

SOx emissions

Plant Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Chigasaki Plant t 0.0506 0.0622 0.0318 0.0283 0.0230
Wakamatsu Plant t 0.0215 0.0106 0.0185 0.0282 *
Yahata Plant t – – – – –
Kurobe Plant t – – – – –
Hitachi Plant t – – – – –
Other t – – – – –
Total t 0.0721 0.0728 0.0503 0.0565 0.0230
  • *Due to the boiler replacement, it is now outside the scope of regulatory compliance (including ordinances and agreements).

NOx emissions

Plant Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Chigasaki Plant t 0.8549 1.1405 1.0407 0.9770 0.7844
Wakamatsu Plant t 1.0420 1.2746 0.9546 1.4812 *
Yahata Plant t – – – – –
Kurobe Plant t – – – – –
Hitachi Plant t – – – – –
Other t – – – – –
Total t 1.8969 2.4151 1.9953 2.4583 0.7844
  • *Due to the boiler replacement, it is now outside the scope of regulatory compliance (including ordinances and agreements).

*There are no VOC emissions.

Hazardous waste emissions

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Total emissions t 21,772 25,025 28,290 26,881 25,015
Non-hazardous t 21,334 24,652 27,585 25,959 23,433
Hazardous t 439 372 705 922 1,582
  • *Hazardous: Specially controlled industrial wastes
  • *Non-hazardous: Wastes other than specially controlled industrial wastes

Unrecycled wastes

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Total wastes t 21,772 25,025 28,290 26,881 25,015
Final waste disposal amount t 4,813 6,268 9,507 7,950 6,050
Final waste disposal ratio % 22.1 25.0 33.6 29.6 24.2

Recycled wastes

Plant Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Chigasaki Plant t 10,058 11,586 11,061 10,754 9,850
Wakamatsu Plant t 1,603 1,846 1,098 1,180 2,952
Yahata Plant t 558 642 771 742 749
Kurobe Plant t 1,493 1,438 1,322 1,716 1,142
Hitachi Plant t 4 2 3 10 8
Total t 13,716 15,514 14,255 14,402 14,701
Recycling rate % 63.0 54.1 50.4 53.6 58.8
Final landfill disposal t 4,813 6,268 9,507 7,950 6,050

Energy consumption

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Total energy consumption PJ 3.7 4.3 4.8 4.3 4.3
  • *1 Calculation scope: Toho Titanium Co., Ltd. and 2 subsidiaries in Japan and abroad
  • *2 Reporting period: FY 2024 (Japan: from April 1, 2024 to March 31, 2025; overseas: from January 1, 2024 to December 31, 2024)

CO2 emissions

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
(provisional)
Scope 1 1,000 t of CO2 29 32 26 26 25
Scope 2 1,000 t of CO2 153 182 182 176 158
Scope 3 1,000 t of CO2 – 298 367 353 currently aggregating
Sum of Scopes 1, 2 and 3 1,000 t of CO2 182 512 575 555 —
  • *1 Scope 1 is the value offset by credits (J credits or voluntary credits).
  • *2 The target range of Scope 3 was revised in FY 2022.

Rate of industrial accidents per 1,000 employees in one year (absence of 4 days or longer)

Results for 2024 Goal for 2025
2.4 0.0

*It is the number of workers who get injured or die per 1,000 workers per year, and can be expressed by the following equation:

Rate of accident per 1,000
employees in one year		 ＝ Number of workers
who get injured or die in a year		 × 1,000
Average number of
workers in a year
  • *1 Period: From January 1 to December 31
  • *2 Including the subcontractors of the Toho Titanium Group

Number of cases of each accident in 2024

Tumble Fall Getting stuck Collision with a flying or falling object Tipping over Contact with a harmful object Contact with a high/low-temperature object Recoil Other Total
1 2 2 2 4 0 1 2 5 19

Fatal accidents

We aim to achieve zero fatal accidents in 2025.

Contract type unit 2020 2021 2022 2023 2024
Full-time employees person 0 0 0 0 0
Contract workers person 1 0 0 0 0
  • *1 Period: From January 1 to December 31
  • *2 Scope: Toho Titanium Co., Ltd. and 2 subsidiaries in Japan
  • *3 Contract workers are laborers performing work under contract at the above sites

Accident frequency rate

We aim to achieve zero fatal accidents in 2025.

Contract type 2020 2021 2022 2023 2024
Full-time employees 0.46 1.36 0 1.43 1.27
  • *1 Period: From January 1 to December 31
  • *2 Scope: Toho Titanium Co., Ltd. and 2 subsidiaries in Japan
  • *3 Contract workers are laborers performing work under contract at the above sites
  • *4 Number of fatalities/injuries per 1,000,000 actual working hours
  • *5 The average in the surveyed industry and the average in the manufacturing industry were taken from the website of the Ministry of Health, Labour and Welfare

Fines for environment-related breaches

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Fines for
environment-related
breaches		 1,000 yen 0 0 0 0 0

Human resources

Percentage of disabled employees (consolidated)

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Percentage of
disabled employees		 % 1.9 1.9 2.3 2.5 2.5

Ratio of women in the workforce (consolidated)

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Ratio of women % 6.8 7.2 7.2 7.7 8.0

Full-time employee turnover rate (consolidated)

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Turnover rate % 2.5 3.0 3.7 2.7 3.1

Total training time of all employees and average training time of 1 employee per year (consolidated)

unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Total training time of
all employees		 hr. 11,771.0 12,717.0 17,016.0 23,957.0 29,721.0
Average training time of
1 employee per year		 hr. 11.0 11.4 15.1 20.0 23.7

Other

Donations to certified NPOs (consolidated)

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Donations 1,000 yen 0 0 0 0 0

Political donations (consolidated)

Unit FY 2020 FY 2021 FY 2022 FY 2023 FY 2024
Political donations 1,000 yen 0 0 0 0 0

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