Category Calculation method Emission source unit
1 Purchased goods and services Purchase monetary amount of raw material x emission source unit of each raw material Target: Production bases in Japan
Emission source unit:
•Source: The Ministry of the Environment's database* 5; emission source units based on the industry-related table
  Emission source unit on monetary basis of each raw material (purchaser price basis)
  Example: Starch 9.07 t-CO2equivalent/¥ million
2 Capital goods Facility investment amount (consolidated) x emission source unit per price of capital goods Target: Global
Emission source unit:
• Source: The Ministry of the Environment's database* 6; emission source units per price of capital goods (Secratariat)
  Pharmaceutical products 2.83 t-CO2equivalent/¥ million
3 Fuel and energy related activities (not included in Scope1 and Scope2) Usage amount of purchased fuel, electricity, heat, etc. x emission source units per usage amount for each energy type Target: Global
Emission source unit:
• Source: The Ministry of the Environment's database* 7; emission source units per usage amount of electricity and heat (Secretariat)
  Electricity: 0.0354 t-CO2/MWh Steam: 0.0139 t-CO2/GJ
• Source: Carbon footprint communication program: Basic database Ver.1.01
Fuel oil : 0.214 t-CO2/kiloliter
Kerosene : 0.121 t-CO2/kiloliter
Diesel oil : 0.152 t-CO2/kiloliter
Gasoline : 0.343 t-CO2/kiloliter
LPG : 0.537 t-CO2/ton
LNG : 0.554 t-CO2/ton
City gas: 0.484 t-CO2/thousands Nm3
4 Transportation and distribution CO2 emissions during transportation:
Calculation method for COemissions from energy sources related to cargo transportation by transportation carrier stipulated by Act on the Rational Use of Energy
CO2 emissions at distribution warehouses:
Electricity usage amount x emission source unit
Target: Transportation in Japan
Emission source unit during transportation:
• Source: Calculation of Greenhouse Gas Emissions Calculation: Reporting Manual (Ver4.0)
Electricity emissions intensity:
• Actual fiscal 2015 end-use emission source units of the Electric Power Council for a Low Carbo Society 0.531 t-CO2/MWh
5 Waste generated in operation CO2 emissions generated during industrial waste transportation :
Calculation method for COemissions from energy sources related to cargo transportation by transportation carrier stipulated by Act on the Rational Use of Energy
Target: Production bases in Japan
Emission source unit during industrial waste transportation :
• Source: Calculation of greenhouse gas emissions: reporting manual (Ver.4.0)
CO2 emissions generated during industrial waste treatment:
Amounts of recycled industrial waste, incineration processing, and direct landfill processing x waster type/emission source unit by processing method
Emission source unit during industrial waste transportation :
• Source: The Ministry of the Environment's database* 8; emission source units by waste type (Secretariat) (excluding waste transportation stage)
  Example: Sludge (incineration) 0.1731 t-CO2/t
6 Business travel (by airplane) Number of persons using airplanes x distance between airports for each flight x emission source unit Target: Global(Results compiled from all airplane flights except for Asia (excluding China) and Oceania regions) Flight distance between airports :
Calculated by assuming flight is a straight line connecting two points on the earth's surface
Emission source unit:
• Source: A calculation sheet made public by Defra (The Department for Environment, Food and Rural Affairs, UK)
  Emission source unit by flight class and distance
  Example: Economy class on domestic flight 0.14735 kg-CO2/passenger-km
7 Employee commuting Train: Number of persons commuting by train x distance x emission source unit
Bus: Number of persons commuting by bus x distance x emission source unit
Car: Number of persons commuting by car x distance x emission source unit
Target: Japan
Emission source units of trains and buses :
• Source: The Ministry of the Environment's database* 10; emission source units per traveler-km (Secretariat)
Train: 0.0236 kg-CO2/passenger-km
Bus: 0.0836 kg-CO2/passenger-km
Emission source unit of cars:
Car: Astellas internal regulations for private-use car commuting expenses
• Source: Ministry of Land, Infrastructure, Transport and Tourism's "Survey on Motor Vehicle Fuel Consumption Statistics for 2015"
Fuel consumption rate of gasoline by private-use car (11.6 km/Liter)
• Number of commuting days per year: 238 days
8 Use of sold products Amount of HFC used as fillers in inhalation-type medical drugs x GWP Target: Japan
Targets sold inhalation-type medical drugs (HFC specification products)
9 End-of-life treatment of sold products Usage volume of sold products when end-of-life treatment is approached in line with the laws on recycling containers and packaging x emission source unit Target: Japan
Emission source unit:
• Source: The Ministry of the Environment's database* 9; emission source units by waste type (Secretariat) (including waste transportation stage)
  Example: Waste plastic 0.8214 t-CO2 equivalent/ton

 

*The Ministry of the Environment’s database: The Ministry of the Environment's emission source unit database (ver. 2.4) for calculating greenhouse gas emissions through the supply chain (March 2017)