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In the second row, second column, add the following:Allowable Annual averageOR8-hour or 24-hour average where an annual standard does not existORRolling 3 month average

Date: 
Wednesday, February 2, 2011
Updated date: 
Saturday, February 14, 2015
Internationally Applicable: 
Campus Applicable: 
Ref Guide Name and Edition Pre-v4: 
Credits: 
USGBC nid: 
2651734