Zirconium

Sourcemap impact factor: 97.20. kg

References:

1. ICE v1.6a (2008) finds emissions to be 97.20 kg

http://www.organicexplorer.co.nz/site/organicexplore/files/ICE%20Version%201.6a.pdf

Yttrium

Sourcemap impact factor: 84

References:

1. ICE v1.6a (2008) finds emissions to be 84 kg

http://www.organicexplorer.co.nz/site/organicexplore/files/ICE%20Version%201.6a.pdf

Vanadium

Sourcemap impact factor: 228 kg

References:

1. ICE v1.6a (2008) finds emissions to be at 228 kg

http://www.organicexplorer.co.nz/site/organicexplore/files/ICE%20Version%201.6a.pdf

Lithium

Sourcemap impact factor: 5.3

References:

1. ICE v1.6 (2008) finds emissions to be 5.3 kg

http://www.organicexplorer.co.nz/site/organicexplore/files/ICE%20Version%201.6a.pdf

Rebar

Reinforcing steel

Sourcemap impact factor: 0.8

References:

1. Okala (2007) finds emissions to be 0.59

https://wiki.brown.edu/confluence/download/attachments/1443180/Impact+Factors+2007.pdf?version=1

2. The ELCD core database (2005) finds emissions to be 1 kg

http://lca.jrc.ec.europa.eu/lcainfohub/datasets/html/processes/268a11fb-baf2-4b9e-8867-38bea0e76ef6_02.00.000.html