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

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Guide to PAS 2050 21 750 kg Flour 200 kg Animal feed Wheat 1000 kg Flour production 40 kg Wheat germ 10 kg Waste 1000 kg = 1000 kg Mass balance example: flour production Raw materials Manufacture Distribution/retail Consumer use Disposal/recycling 1a 1b 2a Wheat Transport Flour production 2b Transport 3c Waste Transport 4b 4c Storage (distribution centre) Transport 5b Waste packaging Consumption (heating) 6a Transport 2c Waste Coproducts 3a Baking 4d Retail 6b Landfill Transport Other ingredients Transport 4a Transport 5a Consumer storage (freezing) Transport Waste Packaging raw materials 3b Packaging Inputs/ outputs Waste Processes Transport Process map: croissants example
22 Section II: Calculating product carbon footprints This simplified example aims to build basic understanding of the product footprinting calculation using illustrative values. It does not reflect a complete or fully representative calculation. In practice, software programmes are available – some with data sets attached – that can help with the calculations. The footprint calculation table can be found in Appendix III. Below is a series of diagrams describing the calculations for each activity step-by-step. 1a Farming Emissions per tonne wheat = 500 kg Tonnes wheat per tonne croissants = 0.9 × Emissions per tonne croissants = 450 kg Data Calculation Result 1b Emissions = 1 kg per km Distance = 100 km × Emissions per trip = 100 kg Emissions per tonne croissants Wheat transport % empty trucks on return = 100% Emissions = 1 kg per km Distance = 100 km Tonnes wheat per trip = 20 × Emissions per trip = 100 kg + Emissions per total trip = 200 kg ÷ Emissions per tonne wheat = 10 kg Tonnes wheat per tonne croissants = 0.9 × Emissions per tonne croissants = 9 kg Note: all emissions described in kg CO 2 e Raw material cultivation and transport (wheat example)
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 23: 20 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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