Market information in life cycle assessment
Figure 3.1. Information flow between the five steps in the procedure.
Step 1 : Describe the product
by its properties
Positioning properties:
-------------------------
-------------------------
-------------------------
Market irrelevant properties:
-------------------------
------------------------
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Step 2: Determine the
relevant market segment
A
B
C
D
E
F
G
H
Step 4:
Define the
functional unit
Step 3:
Determine
product
alternatives
B D F G
Step 5:
Determine reference flows
for each product system
B D F G
Market requirements
Relevant,
significant
and
representative products
Translate functional
unit to product flows
Products to be compared
Properties that affect
reference
flows
All obligatory
properties
Information flow
between the five
steps in the procedure
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