L02 Slide 38 Life Cycle Assessment Framework LCA Phases Goal and scope

L02 slide 38 life cycle assessment framework lca

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L02 Slide 38 Life Cycle Assessment Framework (LCA Phases) Goal and scope definition Inventory analysis Impact assessment Interpretation Source: ISO 14040:2006
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L02 Slide 39 Goal and Scope Definition Called “study design parameters (SDP)” in the LCA textbook Goal includes: Intended application Reasons for carrying out the study Intended audience Whether the results are intended to be used to make comparisons Scope includes: Product (or process) system Functional unit System boundary Types and sources of data Selection of impact categories and impact assessment methodology Assumptions Limitations
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L02 Slide 40 Goal 1. Intended application Product development & improvement? Decision making? Marketing/eco-labeling? Policy making? 2. Reasons for carrying out the study To assess impacts? (Which are of greatest concern?) Requirement? 3. Intended audience Consumers/general public? Shareholders/executives? Governing body? 4. Whether the results are intended to be used to make comparisons What will we do with it? Why did we do it? Who might care about it? In what context they might care?
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L02 Slide 41 Goal Example 1. Intended application 2. Reasons for carrying out the study 3. Intended audience 4. Whether the results are intended to be used to make comparisons LCI summary for six tuna packaging systems, prepared for the plastics division of the American chemistry council by franklin associates, a division of eastern research group, inc. “The goal of the tuna packaging study is to explore the relationship between the weight and material composition of primary tuna packages and the associated life cycle profile of each tuna package. The report includes discussion of the results for the tuna packages, but does not make comparative assertions, i.e., recommendations on which packages are preferred from an environmental standpoint.
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L02 Slide 42 Goal Example Streamlined Life Cycle Assessment of Two Marks & Spencer plc Apparel Products, Environmental Resources Management “The objective of the study was to quantify the lifetime energy consumption for two M&S apparel products. The study determined the significance of each life cycle stage and informs M&S of the implications of customer care choices for the life cycle energy burden of each product. The two products specified by M&S to be assessed were: - a pair of pleated polyester trousers (34 31 ”) - a pack of men’s cotton briefs (M) The study will be used to raise awareness of the energy burden of clothing and the significance of customer care. The study has been used to develop a software tool that will allow M&S to determine the energy consumption of other polyester and cotton products. 1. Intended application 2. R easons for carrying out the study 3. Intended audience 4. Whether the results are intended to be used to make comparisons
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L02 Slide 43 Scope of a System Product life stages 1. Pre-manufacturing 2. Manufacturing 3. Packaging & transport 4. Use 5. Refurbishment,
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  • Fall '09
  • MURRAYTHOMSON

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