Guide to PAS 2050 How to assess the carbon ... - Aggie Horticulture

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Guide to PAS 2050 25 4a Transport to distribution centre Distance = 100 km Emissions = 2 kg per km % empty trucks on return = 50% Distance = 100 km Emissions = 2 kg per km Tonnes croissants per trip = 10 × × Emissions per trip = 200 kg Emissions per trip = 100 kg + Emissions per total trip = 300 kg ÷ Emissions per tonne croissants = 30 kg 4b Direct energy used = 0 kWh + Total energy used per tonne croissants = 1 kWh Storage Site energy consumed = 1M kWh p.a. Site energy allocated per 1-t croissants = 0.0001% × Indirect energy used per tonne croissants = 1 kWh Emissions = 0.5 kg per kWh × Emissions per tonne croissants = 0.5 kg 4c Distance = 20 km Emissions = 1 kg per km × Emissions per trip = 20 kg Transport to store % empty trucks on return = 100% Distance = 20 km × Emissions per trip = 20 kg × Emissions per total trip = 40 kg Emissions = 1 kg per km Tonnes croissants per trip = 8 ÷ Emissions per tonne croissants = 5 kg 4d Retail Emissions per pallet per day = 2 kg No. of days in store = 2 days Croissant packages per pallet = 200 × Emissions per pallet = 4 kg ÷ Emissions per package = 0.02 kg Packages per tonne croissants = 1,000 × Emissions per tonne croissants = 20 kg Note: all emissions described in kg CO 2 e Distribution and retail
26 Section II: Calculating product carbon footprints 5a Storage (freezing) Energy used to freeze one package = 0.05 kWh Emissions = 0.5 kg per kWh Packages per tonne = 1,000 % croissants that are frozen = 20% × Emissions per frozen package = 0.025 kg × Emissions per tonne croissants = 5 kg 5b Consumption (heating) Energy used to heat one croissant = 0.02 kWh Emissions = 0.5 kg per kWh Croissants per package = 12 Packages per tonne = 1,000 × Emissions per heated croissant = 0.01 kg × Emissions per tonne croissants = 36 kg % croissants that are heated = 30% Note: all emissions described in kg CO 2 e Consumer use 6a Distance = 5 km Emissions = 2 kg per km × Emissions per trip = 10 kg Transport to landfill % empty trucks on return = 100% Distance = 5 km Emissions = 2 kg per km Tonnes waste per trip = 10 × Emissions per trip = 10 kg + Emissions per total trip = 20 kg ÷ Emissions per tonne waste = 2 kg Tonnes waste per tonne croissants = 0.2 × Emissions per tonne croissants = 0.4 kg 6b Landfill decomposition Emissions per tonne croissant waste = 800 kg Tonnes waste per tonne croissants = 0.2 Emissions per tonne plastic waste = 100 kg Tonnes plastic waste per tonne croissants = 0.05 × × Emissions per tonne croissants = 160 kg Emissions per tonne croissants = 5 kg + Emissions per tonne croissants = 165 kg Note: all emissions described in kg CO 2 e Disposal
Page 1 and 2: Guide to PAS 2050 How to assess the
Page 3 and 4: Acknowledgements Acknowledgement is
Page 5 and 6: Guide to PAS 2050 1 Introduction Cl
Page 7 and 8: Guide to PAS 2050 3 social and econ
Page 9 and 10: 6 Section I: Start-up Who should be
Page 11 and 12: 8 Section I: Start-up Consider draw
Page 13 and 14: 10 Section II: Calculating product
Page 27: 24 Section II: Calculating product
Page 39 and 40: Guide to PAS 2050 37 Section III Ne
Page 41 and 42: Guide to PAS 2050 39 The potential
Page 43 and 44: Guide to PAS 2050 43 Appendix II Se
Page 45 and 46: • Updates to the service, providi
Page 47 and 48: 48 Appendix III: Product carbon foo
Page 55 and 56: 56 Appendix IV: Uncertainty analysi
Page 57 and 58: 58 Glossary Greenhouse gases (GHGs)

Guide to PAS 2050 How to assess the carbon ... - Aggie Horticulture

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