Goal Func Phas Crad LINKCYCLE Welcome to the LinkCycle Quick Life Cycle Assessment Tool! INSTRUCTIONS: Follow step 1.
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Goal Func Phas Crad
LINKCYCLE
Welcome to the LinkCycle Quick Life Cycle Assessment Tool! INSTRUCTIONS: Follow step 1. through 4. below to complete a life cycle a Follow instructions in the boxes below each step, and see additional not 1. DEFINE GOAL AND SCOPE
Briefly define the objective of doing an LCA. Examples include: 1) Measure emissions to set a baseline for strategy for emissions reductions. 3) Compare two alternative products for marketing claim. There are m
Unit of service which defines the function that the product serves. This should be clearly defined both in t answer the questions "what," "how much," "for how long," and "how well." Example: For a light bulb, a better way to define it is perhaps by the amount of surface covered. A good definition would be "Comple
Basic scope: Life cycle phases to include:
Example: Cradle to factory gate -or- Cradle to grave -or- Gate to grave. List the main life cycle phases included (such as: raw material extraction
Life cycle phases to exclude:
List any elements excluded from the life cycle (i.e. end of life, capital goo
Note: Include a system map of the product phases, including the flows of different materials between t
2. CONDUCT LIFE CYCLE INVENTORY
Material
Quantity (in kg)
Use Phase Inv End of Life Inv Assumptions (i.e. Operating 6 hours per day, for 5 years)
Material
Quantity (in kg)
Totals
3. ANALYZE RESULTS
Emissions from each phase Cradle to Gate Use Phase End of Life TOTAL
0 0 0 0
Observations What did you learn? What conclusions can be drawn?
What strategies can be drawn from this to: reduce emissions, redesign products, inform internal/external
What future work can be done to have more conclusive LCA results? What scenarios would be interesting
4. CONTACT US WITH ANY QUESTIONS
My direct email is: [email protected] Feel free to write me for assistance, feedback, or any other inquiry! We Visit our website at: http://www.linkcycle.com
Copyright LinkCycle 2012. This work can be modified and passed on, but for all uses of this document, whether internally, public, commercial, or a
COPYR
oal . ncti... hases. adle . LINKCYCLE QUICK LCA TOOL
Cycle Assessment Tool! gh 4. below to complete a life cycle assessment for your product. w each step, and see additional notes and data at right for further resources and guidance.
include: 1) Measure emissions to set a baseline for comparison with subsequent assessments after attempting reduction efforts. 2) Identi ternative products for marketing claim. There are many more potential objectives, and multiple objectives can also be selected, such as co
duct serves. This should be clearly defined both in term of quantitative and qualitative aspects which increase possibility of comparison wi ong," and "how well." Example: For a light bulb, a good functional unit is: Provision of 100W of light for 1 hour. For paint, instead of a volu rface covered. A good definition would be "Complete coverage of 1 m 2 primed outdoor wall for 10 years at 99.9 % opacity."
actory gate -or- Cradle to grave -or- Gate to grave. The first two are the most common choices. le phases included (such as: raw material extraction, processing, manufacturing, product use, transport, end of life) as well as details on th
cluded from the life cycle (i.e. end of life, capital goods, transport from distributor to retail, etc.)
ncluding the flows of different materials between the phases, as well as flows into and out of the environment (i.e. resources in and emis
Emission Factor (e.g. CO2e per kg)
Total Cradle-to-Gate Emissions
Incoming Transport (in km)
0 0 0 0 0 0
Phase Inve of Life Inve Electricity usage (in kWh)
Emission Factor (e.g. CO2e per kg)
Total End-of-Life Emissions
Outgoing Transport (in km)
0 0 0 0 0 0
s
Life Cycle Emissions by Phase
1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0
ervations / Cradle to Gate
Use Phase
missions, redesign products, inform internal/external policy, save on costs, reduce supply chain risk, inform customers?
ve LCA results? What scenarios would be interesting or useful to look into in the future?
feedback, or any other inquiry! We can help you with the simplest and the most complex of LCA
kcycle.com
can be modified and passed on, but recipients must be informed that it is not the original versio r internally, public, commercial, or academic/not-for-profit.
COPYRIGHT LINKCYCLE 2012
... ... s... e ...
OL
es and guidance.
ng reduction efforts. 2) Identify emission hotspots in order to set a an also be selected, such as combining 1 and 2 from the above.
ADDITIONAL NOTES / DATA SOURCES
Full explanatory guide for how to use and access outside data is available a http://www.linkcycle.com/beginners-
e possibility of comparison with other options, and it should ur. For paint, instead of a volume measurement (i.e. one gallon), a 9.9 % opacity."
of life) as well as details on the sub-phases
ent (i.e. resources in and emissions out).
Transport Emissions (per kg*km)
Total Emissions
0 0 0 0 0 0
Cradle to Gate LCIs / Emission Factors 1 Ask AMEE 2 EIO-LCA 3 ELCD 4 GHG Protocol
nve... nve... Emission Factor (e.g. CO2e per kWh)Total Emissions
Transport Emissions (per kg*km)
0 0
End of life emission factors 1 EPA WARM
Total Emissions
0 0 0 0 0 0
The EPA WARM model is an excellent resource fo
At this stage, the final results can be used for th 1. Determine largest impacts in the life cycle 2. Determine where to improve the study in term 3. Comparing different scenarios 4. Comparing different products
ns by Phase
se
Electricity emission factors (select according to y 1 Ask AMEE 2 Energy Informati
/ ... End of Life
Feel free to modify and expand the spreadsheet I can be contacted to help answer any question. Feel free to email me at: [email protected]
most complex of LCAs.
ot the original version. LinkCycle must be given credit
OTES / DATA SOURCES
explanatory guide for how to use this spreadsheet access outside data is available at: ://www.linkcycle.com/beginners-guide-life-cycle-assessment-tools-and-data
LCIs / Emission Factors Note: When using a full LCI, one must apply life cycle impact assessment (LCIA) to the LCI in order to come http://ask.amee.com/ http://www.eiolca.net http://lca.jrc.ec.europa.eu/lcainfohub/datasetCategories.vm http://www.ghgprotocol.org/calculation-tools/sector-toolsets
sion factors (select according to your region) http://ask.amee.com/ http://www.eia.gov/oiaf/1605/emission_factors.html
ssion factors http://www.epa.gov/climatechange/waste/calculators/Warm_home.html
model is an excellent resource for evaluating different sorts of end of life management options, which can be compared through their web
he final results can be used for the following: rgest impacts in the life cycle here to improve the study in terms of detail, data, and representativeness of calculation ifferent scenarios ifferent products
dify and expand the spreadsheet to conduct such comparisons, or create a copy of this worksheet to do multiple analyses. ted to help answer any question. ail me at: [email protected]
CIA) to the LCI in order to come up with an aggregate emission factor. These factors for Global Warming Potential can be found here: http:/
be compared through their web tool
tiple analyses.
ential can be found here: http://en.wikipedia.org/wiki/Greenhouse_gas#Global_warming_potential