I have a question regarding the Regional Materials Credit: If a product has the following components: - Cement (local product) - Sand (local product) - Additives (imported) Will this product comply although the Additves are not regional? Additives are used in very small quanitites in the overall product and are not considered to be: extracted, harvested or recovered, however I would like to know how the USGBC will evaluate this. Thanks!

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LEEDuser Expert

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Tue, 07/08/2014 - 22:58

Roberto - My approach has been to reduce the percentage regional to less than 100% to account for non-local additives. Your supplier will need to give you the weight of the additives compared to the rest of the mix design. I typically see around 1% for the additives.

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