Is it compulsory to follow all SMACNA guidelines to achieve this credit? or you can leave out a few and still earn the credit?

The CEN - EN 779 for air filter performance is currently inactive?

Why was Construction Indoor Air Quality Management Plan - Before occupancy changed to Indoor Air quality Assessment?

If we follow all the SMACA guidelines strictly, is it possible to earn the low VOC credit as well ?

Our project proposes a green wall to be planted with appropriate vegetation and climbers.

To earn the 3 points on this credit, Question 1: Do I need to know life cycle analysis for 100% of my structural and envelope products? Even small products like tightness, ...?

Our project went forward with Fundamental Commissioning using a member of the Engineering firm (disinterested party, not involved in any way with the design/engineering/construction of the building

Why was the construction IAQ management during construction and before occupancy from LEED 2009 combined to one credit Construction Indoor Air quality Management Plan in LEED v4?

Our area of work includes portions of the first and second floors of a university library in California. On the first floor, only bathrooms are included.

Can a standard bus stop count if it is within 1/2 mile of the project entrance, or is  a standard (non rapid) bus stop only allowed to count towards the 1/4 mile distance credit?