MIT 2 813 - Homework #2 (2 pages)

Previewing page 1 of 2 page document View the full content.
View Full Document

Homework #2



Previewing page 1 of actual document.

View the full content.
View Full Document
View Full Document

Homework #2

36 views

Other


Pages:
2
School:
Massachusetts Institute of Technology
Course:
2 813 -

Unformatted text preview:

2 83 2 183 Life Cycle Analysis Homework 2 Feb 17 2011 The Smith family wants to understand the impact of this year s 2010 holiday gifts What are the impacts associated with their presents Mrs Smith received a 300 gold bracelet Mr Smith received a 500 HDTV They bought their daughter two tickets to see her favorite hockey team play for 150 They bought their son a new wool winter coat which cost 100 1 The Smiths live in the US and the year is 2010 Which EIO LCA model should you use and why US 2002 Purchaser We want to use the most recent model and the Smiths are consumers and are thus paying Purchaser price as opposed to production price 2 To analyze the impact of their purchases what EIO LCA sectors should you use for each member of the household s gifts a Mrs Other Miscellaneous Manufacturing Jewelry and silverware manufacturing b Mr Computers Audio Video and Communications Equipment Audio and video equipment manufacturing c Daughter Arts Entertainment Hotels and Food Services Spectator sports d Son Textiles Apparel and Leather Men s and boys cut and sew apparel manufacturing 3 Assume we are using the US 2002 Purchaser price model The problem is that we have prices in 2010 dollars Use the Bureau of Labor Statistics Inflation Calculator http www bls gov data inflation calculator htm to estimate the 2002 prices for each of their gifts Dollars 2010 2002 Mrs 300 247 51 Mr 500 412 51 Daughter 150 123 75 Son 100 82 50 4 The Smiths are interested in the greenhouse gases and carcinogenic toxic releases associated with their gifts Rather than jump straight into the per gift releases let s look at those industries on a per million dollar basis For each gift s sector use the model to find the total global warming potential in terms of metric tons of carbon dioxide equivalent and carcinogens in terms of megagrams of vinyl chloride Per million GWP MTCO2E Carcinogens Mg C2H3Cl E Jewelry 532 6330 AV Equipment 446 611 Sports 223 46 1 Men s Clothes 381 62 8 5 Now find the impact for



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Homework #2 and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Homework #2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?