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Unformatted text preview: Alyssa Marcucci HW #2 Section C 4. Using a figure explain LCA (1/2 page) Phase 1: Definition of goal and scope. This is the first step where the goal and scope of the LCA is clearly laid out so it is understand whom and for what purpose the LCA is used. The specific quantity or functional unit is defined. The system boundaries and general assumptions for making the LCA are set in relation to the goal of the LA. Most importantly, all decisions should be made in regard to the environmental imports. Phase 2: inventory Analysis. This is the most time consuming phase because of the data collection of quantitative and qualitative data for every unit process in the system, continually crosschecking the validity of data, and refining system boundaries. Phase 3: Impact Assessment. In this phase the data is processed and the result of the LCA is reported. The emissions of a service are put into categories of environmental impacts such as land use or green house gasses. Phase 4: Lifecycle interpretation. This step is actually performed in every phase of the LCA to keep the creditability of the LCA. With this phase there is an analysis of results by identifying keep the creditability of the LCA....
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This note was uploaded on 12/07/2011 for the course ENVIRON 367 taught by Professor Mingxu during the Fall '11 term at University of Michigan.
- Fall '11