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Add the following language for the new option 2: "Building materials or products shipped by rail or water have been extracted, harvested or recovered, as well as manufactured within a 500 mile (800 kilometer) total travel distance of the project site using a weighted average determined through the following formula: (Distance by rail/3) + (Distance by inland waterway/2) + (Distance by sea/15) + (Distance by all other means) ≤ 500 miles [800 kilometers]"

Date: 
Friday, July 6, 2012
Updated date: 
Tuesday, March 14, 2017
Internationally Applicable: 
Campus Applicable: 
Ref Guide Name and Edition Pre-v4: 
Green Building Design and Construction, 2009 edition $ Green Building Design and Construction, 2009 Edition, updated June 2010
Credits: 
USGBC nid: 
2652286