Environmental Data 2022

The performance indicators such as Scope 1, Scope 2, and Scope 3 Category 2 and Category 3 of environmental data are assured by a third party to improve reliability.

Overview of Environmental Load (2021)

input Total energy consumption 635,562 gigajoules Amount of water resources used 521 1,000 cubic meters output Emissions to the atmosphere, CO2 30,012 tons, SOx 1.5 tons, NOx 4.2 tons, VOC 45 tons, Emissions to water, BOD 3.4 tons, COD 4.8 tons, Amount of waste generated, Emissions 2,702 tons, Recycled 2,662 tons, Final disposal 14 tons

Measures against Climate Change

Greenhouse gas (CO2) emissions trend by scope

<Scope1 and 2>

(Unit: t-CO2)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Santen Group(*1) 33,371 34,160 34,767 34,025 30,012 -11.8
Scope1 16,811 17,018 15,296 14,860 14,820 -0.3
Scope2 (Market-based) - - 19,471 19,165 15,192 -20.7
Scope2 (Location- based) 16,560 17,142 20,187 19,566 18,525 -5.3
CO2 emissions per unit of revenue(*2) [t-CO2/billion yen] 148 146 144 136 113 -16.9

With the setting of the 2030 target, the boundary and CO2 conversion factors have been revised to the SBT standard and retroactively revised from FY2019 onward.

  1. Total value of Scope 1 + Scope 2 (Market-based) from FY2019.
  2. From FY2019 onward, CO2 emissions per unit of revenue is calculated as the total of Scope 1 + Scope 2 (Market-based).
(Unit: t-CO2)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Shimoshinjo Office 244 208 182 150 149 -0.5
Scope1 - - 0 0 0 -
Scope2 (Market-based) - - 182 150 149 -0.5
Scope2 (Location- based) - - 251 210 184 -12.3
Noto Plant 10,985 11,072 14,764 14,919 11,278 -24.4
Scope1 - - 5,744 5,960 5,444 -8.6
Scope2 (Market-based) - - 9,021 8,960 5,834 -34.9
Scope2 (Location- based) - - 7,908 7,566 7,087 -6.3
Shiga Product Supply Center 6,802 6,860 6,386 6,297 5,775 -8.3
Scope1 - - 3,388 3,478 3,420 -1.7
Scope2 (Market-based) - - 2,998 2,818 2,355 -16.4
Scope2 (Location- based) - - 4,146 3,944 3,771 -4.4
Nara Research and Development Center 4,151 4,112 4,216 4,026 4,070 1.1
Scope1 - - 2,624 2,499 2,672 6.9
Scope2 (Market-based) - - 1,592 1,527 1,398 -8.5
Scope2 (Location- based) - - 2,203 2,137 2,027 -5.1
Branch and Sales offices and others 2,685 2,552 2,613 1,948 2,131 9.4
Scope1 - - 2,028 1,441 1,676 16.3
Scope2 (Market-based) - - 585 507 455 -10.3
Scope2 (Location- based) - - 585 507 455 -10.3
Suzhou Plant 6,830 7,747 6,606 6,685 6,609 -1.1
Scope1 - - 1,513 1,482 1,608 8.5
Scope2 (Market-based) - - 5,093 5,202 5,000 -3.9
Scope2 (Location- based) - - 5,093 5,202 5,000 -3.9

With the setting of the 2030 target, the boundary and CO2 conversion factors have been revised to the SBT standard and retroactively revised from FY2019 onward.
In addition, data for Scope 1 and 2 are also listed from FY2019.

<Scope3>

(Unit: t-CO2)
Category FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
1: Purchased goods and services 137,102 142,215 147,531 160,113 165,569 3.4
2: Capital goods 11,275 15,480 16,480 11,712 49,077 319.0
3: Fuel and energy related activities not included in Scope1 and Scope2 1,098 1,099 2,211 2,189 2,119 -3.2
4: Transportation and distribution (Upstream) 708 630 763 565 517 -8.5
5: Waste generated in operation 410 440 489 446 316 -29.1
6: Business travel 2,894 2,763 2,041 339 609 79.5
7: Employee commuting 1,444 1,633 1,485 1,247 830 -33.4
12: End-of-life treatment of sold products 225 223 207 208 220 5.6
Total 155,156 164,483 171,207 176,819 219,256 24.0
CO2 emissions per unit of revenue [t-CO2/billion yen] 903 933 938 950 1,149 20.9
  • Categories 8, 10, 11, 13-15, which are not applicable to our business activities, and Category 9, which is difficult to calculate at this time, are excluded from the list.

Greenhouse gas (CO2) emissions reporting boundary

  • Scopes 1 and 2: All of the facilities and sales offices in Japan, and major production facility in other countries (Suzhou Plant in China)
  • Scope 3 Category 2: The consolidated companies of the Santen Group
  • Scope 3 Category 3: All of the facilities and sales offices of the Santen Group in Japan

Greenhouse gas (CO2) emissions calculation standards

Scope1 CO2 emissions associated with fuel use
<Calculation method>
Calculated based on fuel consumption x heating value per unit x fuel CO2 emission factor
<Emission factor>
Emission factor based on "GHG Emissions Accounting, Reporting, and Disclosure System" (Ministry of the Environment)
Scope2 CO2 emissions from the purchase of electricity and heat
<Calculation method>
Calculated based on electricity consumption x electricity CO2 emission factor + heat usage x heat CO2 emission factor.
<Emission factor>
(Japan) Electricity & Heat: Emission factor based on "GHG Emissions Accounting, Reporting, and Disclosure System" (Ministry of the Environment)
(China) Electricity: Emission factor of "2022 Corporate Greenhouse Gas Emission Notification Management Relations Priority Work Notification" (China Environmental Environment Department)
Scope3 CO2 emissions through the supply chain
<Calculation method>
Calculated by the method of receiving emission volumes from suppliers. Or, calculated by multiplying the amount of activity in each category collected by the company by the emissions intensity based on the "Emissions intensity database for calculating greenhouse gas emissions of organizations through the supply chain (ver. 3.2)" (Ministry of the Environment, Ministry of Economy, Trade and Industry)
<Emission factor>
  • Category 1: Emissions associated with the purchase of raw materials / materials
    [5] Input-output table-based emission intensity
  • Category 2: Emissions associated with the acquisition of property, plant and equipment
    [6] Emission intensity per price of capital goods <Secretariat> 06-0260, Emission intensity of pharmaceutical products
  • Category 3: Emissions associated with the procurement of fuel required to generate electricity for purchased electricity
    [7] Electricity emission intensity of "Emission intensity per electricity / heat consumption"
  • Category 4: Obtain the result calculated by the fuel consumption method or the improved ton-kilo method from the transportation distance from our factory and distribution center to the delivery destination (pharmaceutical wholesale) from the contractor.
  • Category 5: Emissions associated with the disposal of discharged industrial waste
    [8] Emission intensity by waste type / treatment method, Emission intensity by waste type <Secretariat>
  • Category 6: Emissions associated with employee business trips, etc.
    [11] Emissions per unit of transportation expenses <Secretariat>, and [12] Emissions per number of nights <Secretariat>, Emission intensity
  • Category 7: Emissions associated with employee commuting
    [11] Emissions per unit of transportation expenses <Secretariat>, Emissions and emissions associated with the use of gasoline for commuting by car
  • Category 12: Emissions due to obligation to re-commercialize under the Containers and Packaging Recycling Law
    [9] Emission intensity by waste type <Secretariat>, Applicable emission intensity such as waste brass and waste paper

Energy usage trend

(Unit: GJ)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Energy usage(*1,2) 656,715 668,462 651,669 610,368 635,562 4.1
Energy usage per unit of revenue(*1) [GJ/billion yen] 2,919 2,856 2,698 2,445 2,387 -2.4
  1. In order to improve data accuracy, energy usage and energy usage per unit of revenue are retroactively revised from FY2019 onward.
  2. Energy for gasoline from commercial vehicles added since FY2021.
(Unit: GJ)
Operational site FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Shimoshinjo Office 7,122 6,085 5,333 4,624 4,171 -9.8
Noto Plant 238,837 241,750 248,878 250,863 237,273 -5.4
Shiga Product Supply Center 158,305 159,485 153,698 154,389 151,794 -1.7
Nara Research and Development Center 96,359 95,572 97,865 95,696 98,028 2.4
Branch and Sales offices and others(*) 8,522 3,954 4,050 3,099 35,380 1,041.8
Suzhou Plant (China) 97,256 111,632 106,503 101,698 108,916 7.1
Tampere Plant (Finland) 50,314 49,984 35,342 - - -
Total 656,715 668,462 651,669 610,368 635,562 4.1
  • Energy for gasoline from commercial vehicles added since FY2021.

Renewable energy trend

(Unit: MWh)
Type FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Solar energy generation(*1) 13 11 12 12 12 -5.5
Purchased renewable energy(*2) 554 581 1,591 - 6,547 -
Total 567 592 1,603 12 6,559 54,558.4
  1. Generated by solar energy equipment installed in Nara Research and Development Center. Not included in energy consumption.
  2. Purchased from energy companies and included in energy consumption.

Environmental Load Reduction

Waste reduction and recycling trend

(Unit: tons)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Total waste recycled/ reused 2,814 2,888 3,065 2,951 2,662 -9.8
Total waste disposed 2,910 3,178 3,201 2,985 2,702 -9.5
Waste landfilled 62 254 107 9.5 14 45.0
Waste incinerated with energy recovery 585 890 743 772 637 -17.6
Waste incinerated without energy recovery 0 0 0 0 22 -
Waste otherwise disposed 1,945 1,799 2,245 2,161 2,074 -4.0
Recycling rate 96.7% 90.9% 95.8% 98.9% 98.5% -0.4ppt
Waste disposal per unit of revenue [t/billion yen] 12.9 13.6 13.3 12.0 10.1 -15.2
(Unit: tons)
Operational site FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Noto Plant Emissions 1,686 1,793 1,865 1,716 1,649 -3.9
Recycled resources 1,686 1,793 1,865 1,716 1,649 -3.9
Final disposal 0.1 0.1 0.1 0.1 0.1 40.0
Shiga Product Supply Center Emissions 711 671 743 837 668 -20.3
Recycled resources 711 671 743 837 668 -20.3
Final disposal 0.0 0.0 0.0 0.0 0.0 -
Nara Research and Development Center Emissions 53 73 80 54 63 16.8
Recycled resources 51 72 78 52 61 16.7
Final disposal 0.1 0.1 0.1 0.1 0.1 20.0
Suzhou Plant (China)(*1) Emissions 117 148 179 248 153 -38.2
Recycled resources 57 54 75 220 118 -46.3
Final disposal 60 94 104 9.2 13 46.4
Branch and Sales offices and others(*2) Emissions 83 231 99 130 169 30.1
Recycled resources 78 62 90 126 166 32.2
Final disposal 0.2 159.4 0.2 0.2 0.1 -15.4
  1. Due to setting the long-term target, we confirmed the treatment status of the waste disposal contractor at the Suzhou Plant and reviewed the aggregation method from FY2020.
  2. Waste emissions from Branch and Sales offices and others increased temporarily due to the disposal of residual equipment, etc. associated with the sale of the former head office and the Osaka factory in FY2018.

Hazardous Waste

We have defined as "Hazardous Wastes," according to the laws and regulations of each country, substances that fall under specially controlled industrial waste as stipulated in the "Waste Disposal and Public Cleansing Act" in Japan, and substances to be treated as dangerous waste in China. We started collecting data from FY2020.

(Unit: tons)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Japan (Specially controlled industrial waste emissions) - - - 13 20 56.9
Total hazardous waste recycled/ reused - - - - 20 -
Hazardous waste landfilled - - - - 0 -
Hazardous waste incinerated with energy recovery - - - - 20 -
Hazardous waste otherwise disposed - - - - 0 -
Hazardous waste otherwise disposed - - - - 0 -
China (hazardous waste) - - - 152 70 -54.1
Total hazardous waste recycled/ reused - - - - 44 -
Hazardous waste landfilled - - - - 4 -
Hazardous waste incinerated with energy recovery - - - - 44 -
Hazardous waste otherwise disposed - - - - 22 -
Hazardous waste otherwise disposed - - - - 0 -
Total - - - 164 89 -45.6
Hazardous waste disposal per unit of revenue [t/billion yen] - - - 0.7 0.3 -49.1

Air pollutants emissions trend

<Santen Group>

(Unit: tons)
Substance FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
SOx (sulfur oxides)(*1,2) 6.1 2.2 1.8 1.3 1.5 15.9
NOx (nitrogen oxides)(*1,2) 8.3 4.0 3.9 4.4 4.2 -5.4
VOC (volatile organic compounds)(*2) 36 41 46 42 45 8.3
  1. Emissions are estimated based on results from regular examinations.
  2. The Suzhou Plant in China is excluded until FY2019.

Water pollutants emissions trend

<Santen Group>

(Unit: tons)
Substance FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
BOD (biochemical oxygen demand)(*1,2) 4.5 8.7 8.8 4.8 3.4 -28.5
COD (chemical oxygen demand)(*1,2) 4.8 7.5 7.1 4.5 4.8 8.2
  1. Emissions are estimated based on results from regular examinations.
  2. The Suzhou Plant in China is excluded until FY2019.

PCB storage

We have no PCB-containing equipment at our business sites.
In March 2017, through a nationally designated service provider, we completed the appropriate disposal of the three PCB-containing fluorescent light ballasts that had been stored at our former Osaka Plant by rendering them harmless.

  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Polychlorinated biphenyl holdings [kg] 0 0 0 0 0 -

Water usage trend

<Santen Group>

(Unit: thousand m3)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Water usage Total Usage 545 559 588 542 521 -3.8
Water usage per unit of revenue [thousand m3/billion yen] Usage 2.42 2.39 2.43 2.17 1.96 -9.8
Water usage per Production quantity [m3/10,000 units] Usage - - 12.4 12.1 13.4 9.9

<Operational site>

(Unit: thousand m3)
Operational site FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Noto Plant Usage 300 294 343 332 313 -5.7
Discharge 291 286 296 281 268 -4.3
Shiga Product Supply Center Usage 115 107 93 111 99 -10.8
Discharge 91 93 93 92 92 0.5
Nara Research and Development Center Usage 46 55 52 44 45 4.0
Discharge 35 43 38 31 32 3.0
Branch and Sales offices and others Usage 4.2 3.9 2.9 2.1 1.7 -19.1
Discharge 4.2 3.9 2.9 2.1 1.6 -25.3
Suzhou Plant (China) Usage 40 58 61 53 62 16.6
Discharge - - - - 23 -

<Reference>Environmental Data (Japan)

Overview of Environmental Load (2021)

input Total energy consumption 526,647 gigajoules. Total material input is 4,780 tons. Water resources usage 459 thousand cubic meters. Output Emissions to the atmosphere, CO2 20,403 tons, SOx 1.5 tons, NOx 4.0 tons, VOC 45 tons. Discharge to water, Emissions are 395 thousand cubic meters, BOD 3.4 tons, COD 2.7 tons Waste generation status, Emissions 2,548 tons, Recycled amount 2,543 tons, Final disposal amount 0.3 tons
  1. Gasoline input is mainly input from commercial vehicle.
  2. Emission is based on results from regular examinations.

Greenhouse gas (CO2) emissions trend by scope

(Unit: t-CO2)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Greenhouse gas (CO2) emissions trend by scope 24,867 24,804 28,877 27,742 26,737 -3.6
Scope1 14,464 14,390 13,783 13,378 13,212 -1.2
Scope2 (Market-based) - - 14,378 13,963 10,191 -27.0
Scope2 (Location-based) 10,403 10,414 15,094 14,364 13,525 -5.8
CO2 emissions per unit of revenue [t-CO2/billion yen] 145 144 154 147 123 -16.5

Energy usage

(Unit: t-CO2)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Energy usage 509,145 506,846 509,824 508,670 526,647 3.5
Energy usage per unit of revenue[GJ/billion yen] 2,962 2,876 2,792 2,733 2,760 1.0

Waste reduction and recycling trend

(Unit: tons)
  FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Emissions 2,533 2,768 2,787 2,737 2,548 -6.9
Recycled resources 2,526 2,597 2,777 2,731 2,543 -6.9
Final disposal 0.4 159.6 0.4 0.3 0.3 3.6

PRTR substances handled

(Unit: tons)
Substance FY2017 FY2018 FY2019 FY2020(1) FY2021(2) % Change (2) / (1)
Acetonitrile 1.8 1.9 1.8 1.9 2.1 15.5
Boron and its compounds 1.0 0.6 0.7 0.6 0.6 5.7
Xylene 0.6 0.4 0.2 0.4 0.3 -34.5

Prevention of environmental pollution

Measurements and results of analysis of environmental data (FY2021)

  Noto Plant Shiga Product Supply Center Nara Research and Development Center
Criteria Results Criteria Results Criteria Results
Air pollution Soot and dust [g/Nm3] 0.3 0.01 0.2 <0.005 0.1 0.001
NOx [ppm] 150 53 180 29 150 32
SOx [Nm3/h] 0.98 0.02 - - - -
Water contamination pH   5.8∼8.6 7.4∼7.8 5.0∼9.0 7.2∼8.2 5.0∼9.0 6.2∼8.1
BOD [mg/L] 80 5.5 600 30 1,500 95
COD [mg/L] 80 6.6 600 26 - -
SS [mg/L] 120 8 600 35 1,500 140
Noise Morning [dB] 60 49 50 45 60 42
Noon [dB] 65 51 55 46 65 44
Evening [dB] 60 48 50 46 60 42
Night [dB] 50 49 45 44 50 41
Vibration levels Noon [dB] 65 44 70 <25 65 27
Night [dB] 60 43 65 <25 60 <25

Criteria values are specified according to the agreements with the municipalities where the workplaces are located.

Environmental accounting (Japan)

<Environmental conservation costs>

(Unit: million yen)
Category FY2020 FY2021
Investments Expenses Investments Expenses
Business area costs 51.8 168.7 5.4 149.0
  Pollution prevention 0.0 55.2 3.7 64.7
  Global environmental conservation 51.8 69.3 1.8 53.4
  Resource circulation 0.0 44.1 0.0 30.9
Upstream/downstream costs - 9.9 - 11.5
Administration costs 2.0 105.2 2.9 131.4
R&D costs - - - -
Social activity costs - 1.4 - 1.4
Environmental damage costs - 0.2 - 99.1
Total 53.8 285.4 8.4 392.4
  • Only cases that can be determined as related to the purpose of environmental conservation are included in the calculations.
  • The cost includes the depreciation amount and is accounted for in the same way as in accounting.
  • Current investment includes both the investment amount and expenses.
  • The total number is only a rough estimate because the totals are rounded off.
  • The employment cost of the environmental management department and the operation and maintenance of the environmental management system are accounted for as administration costs.
  • "-" means no cost or no activities.

<Economic effects of environmental conservation measures>

(Unit: million yen)
Category FY2020 FY2021
Profits from sales of waste etc 55.9 57.5
Cost reductions 15.7 13.2
  • Only economic effects that can be determined with a high degree of certainty are included in the calculation.

<Environmental conservation effect>

Category unit FY2020 FY2021 Environmental burden reduction % Change (2) / (1)
Energy Total energy usage GJ 508,670 526,647 -17,977 3.5
Electricity kWh 32,090 31,054 1,036 -3.2
Gas thousand m3 2,613 2,663 -50 1.9
LPG Tons 5.1 4.9 0.2 -4.2
Heavy Oil kℓ 2,192 2,002 190 -8.7
Gasoline kℓ 619 721 -101 16.4
Heating and Cooling GJ 1,469 1,372 98 -6.6
Water resources Total water usage thousand m3 488 459 29 -6.0
Tap water thousand m3 58 63 -5 8.2
Industrial water thousand m3 104 89 15 -14.6
Well water thousand m3 326 307 19 -5.8
Materials Raw and other materials tons 5,131 4,778 353 -6.9
Global warming CO2(*) tons 27,340 23,403 3,937 -14.4
Atmospheric pollutants SOx (sulfur oxides) tons 1.3 1.5 -0.2 15.9
NOx (nitrogen oxides) tons 3.9 4.0 0.0 0.9
VOC (volatile organic compounds) tons 42 45 -3 8.4
Dust tons 0.2 0.2 0.0 2.5
Water pollutants Discharged water thousand m3 406 395 11 -2.8
BOD (biochemical oxygen demand) tons 4.8 3.4 1.4 -28.5
COD (chemical oxygen demand) tons 2.6 2.7 -0.1 3.1
SS (suspended solids) tons 7.2 5.2 2.0 -28.0
Waste materials Emissions tons 2,737 2,548 188 -6.9
Recycled resources tons 2,731 2,543 187 -6.9
Final disposal tons 0.3 0.3 0.0 3.6
  • CO2 conversion on Market-based

note

Reporting boundary

Japan: all facilities including sales offices.
Other countries: Principal production facilities, Suzhou Plant (China).

Guidelines referenced

These data have been prepared with reference to the Environmental Reporting Guidelines (2018 edition, Ministry of the Environment of Japan), the Basic Guidelines on Accounting for Greenhouse Gas Emissions Throughout the Supply Chain (Ministry of the Environment of Japan / Ministry of Economy, Trade and Industry of Japan, Ver. 2.3), the Environmental Accounting Guideline (2005 edition, the Ministry of the Environment of Japan), the Greenhouse Gas Protocol, and the GRI Standards.

Numerical results

Total numbers may not always match, due to the effect of rounding and other reasons.