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PostPosted: Wed May 02, 2012 7:51 am 

Joined: Wed May 02, 2012 7:43 am
Posts: 1

I am trying to test EIOLCA data on a Life cycle assessment for my master thesis, I have confronted a problem trying to correlate the Co2eq/$ of an EIOLCA to the functional unit, so far I have been multiplying the product materials prices ($/kg) with the emission data I have from the EIOLCA. I do not know if this is correct or a representative conversion.

Is there correct way to convert from Co2eq/$ to Co2eq/kg to correlate with the functional unit of the product life cycle assessment analyzed?

Your suggestions are very much appreciated,

With kindest regards,

Miguel Araque
TU Cottbus

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PostPosted: Thu Aug 30, 2012 2:02 pm 

Joined: Wed Jun 23, 2010 6:31 pm
Posts: 3
That should work:

(CO2eq/$) * ($/kg) = (CO2eq/kg) * ($/$) = (CO2eq/kg).

You should make sure that the $ are in the same units. 2002 dollars are not the same as 2012 dollars, so appropriate economic conversions might be necessary. For instance, if you're using the 2002 model and your product material prices, you'd need:

(CO2eq/$2002) * ($2012/kg) * ($2002/$2012) = (CO2eq/kg),

where the underlined part converts from 2012 dollars to 2002 dollars.

Rick Betita
Life Cycle Analyst & Research Associate
Climate Earth, Inc.

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