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Addendum a for Standard 189.1-2017 (August 26, 2019)
Addendum b for Standard 189.1-2017 (August 26, 2019)
Addendum c for Standard 189.1-2017 (July 9, 2019)
Addendum d for Standard 189.1-2017 (July 9, 2019)
Addendum e for Standard 189.1-2017 (July 9, 2019)
Addendum f for Standard 189.1-2017 (July 9, 2019)
Addendum g for Standard 189.1-2017 (March 20, 2020)
Addendum h for Standard 189.1-2017 (July 9, 2019)
Addendum i for Standard 189.1-2017 (July 26, 2018)
ASHRAE Addendum j for Standard 189.1-2017 (March 2, 2020)
Addendum k for Standard 189.1-2017 (November 6, 2019)
Addendum l for Standard 189.1-2017 (July 9, 2019)
Addendum m for Standard 189.1-2017 (August 3, 2020)
Addendum n for Standard 189.1-2017 (November 6, 2019)
Addendum o for Standard 189.1-2017 (September 2, 2020)
Addendum p for Standard 189.1-2017 (April 1, 2020)
Addendum q for Standard 189.1-2017 (April 1, 2020)
Addendum r for Standard 189.1-2017 (December 13, 2019)
Addendum s for Standard 189.1-2017 (September 2, 2020)
Addendum t for Standard 189.1-2017 (August 3, 2020)
ASHRAE Addendum u for Standard 189.1-2017 (March 2, 2020)
Addendum v for Standard 189.1-2017 (July 9, 2019)
Addendum x for Standard 189.1-2017 (August 26, 2019)
Addendum y for Standard 189.1-2017 (November 6, 2019)
Addendum z for Standard 189.1-2017 (August 3, 2020)
Addendum aa for Standard 189.1-2017 (August 3, 2020)
Addendum ab for Standard 189.1-2017 (September 2, 2020)
Addendum ac for Standard 189.1-2017 (February 11, 2020)
Addendum ad for Standard 189.1-2017 (November 6, 2019)
Addendum ae for Standard 189.1-2017 (February 11, 2020)
Addendum af for Standard 189.1-2017 (September 2, 2020)
Addendum ag for Standard 189.1-2017 (November 6, 2019)
Addendum ah for Standard 189.1-2017 (August 3, 2020)
Addendum ai for Standard 189.1-2017 (February 11, 2020)
Addendum aj for Standard 189.1-2017 (February 11, 2020)
Addendum ak for Standard 189.1-2017 (July 6, 2020)
Addendum al for Standard 189.1-2017 (November 6, 2019)
Addendum am for Standard 189.1-2017 (November 6, 2019)
ASHRAE Addendum an for Standard 189.1-2017 (March 2, 2020)
Addendum ao for Standard 189.1-2017 (February 11, 2020)
Addendum ap for Standard 189.1-2017 (July 6, 2020)
Addendum ar for Standard 189.1-2017 (July 6, 2020)
Addendum as for Standard 189.1-2017 (July 6, 2020)
Addendum at for Standard 189.1-2017 (July 6, 2020)
Addendum au for Standard 189.1-2017 (July 6, 2020)
Addendum av for Standard 189.1-2017 (July 6, 2020)
Addendum aw for Standard 189.2-2017 (September 2, 2020)
Addendum ay for Standard 189.1-2017 (July 6, 2020)
Addendum az for Standard 189.1-2017 (July 6, 2020)
Addendum ba for Standard 189.1-2017 (July 6, 2020)
Addendum bb for Standard 189.1-2017 (September 2, 2020)
Addendum bc for Standard 189.1-2017 (September 30, 2020)
Addendum bd for Standard 189.1-2017 (August 19, 2020)
Addendum be for Standard 189.1-2017 (August 18, 2020)
Addendum bf for Standard 189.1-2017 (August 18, 2020)
Addendum bg for Standard 189.1-2017 (August 18, 2020)
Addendum bh for Standard 189.1-2017 (July 6, 2020)
Addendum bk for Standard 189.1-2017 (July 6, 2020)
Addendum bl for Standard 189.1-2017 (July 6, 2020)
Addendum bn for Standard 189.1-2017 (August 18, 2020)
Addendum bp for Standard 189.1-2017 (July 6, 2020)
Addendum bq for Standard 189.1-2017 (September 30, 2020)
Addendum bs for Standard 189.1-2017 (August 18, 2020)
Addendum bt for Standard 189.1-2017 (August 18, 2020)
Addendum bu for Standard 189.1-2017 (August 18, 2020)
Addendum bw for Standard 189.1-2017 (September 30, 2020)
Addendum bx for Standard 189.1-2017 (July 6, 2020)
Addendum by for Standard 189.1-2017 (September 30, 2020)
The following Addenda to 189.1-2014 were approved in 2018 and 2019:
Addendum ar to Standard 189.1-2017 (January 15, 2018)
Addendum bm for Standard 189.1-2017 (July 26, 2019)
Addendum ck to Standard 189.1-2017 (June 28, 2018)