For which parameters does the WELL Building Standard™ set performance-based thresholds through Feature A01: Air Quality?

For which parameters does the WELL Building Standard™ set performance-based thresholds through Feature A01: Air Quality?
A . PM, copper, radon and chlorine
B . PM, benzene, ozone and radon
C . Carbon dioxide, copper, lead and formaldehyde
D . Acetaldehyde, acrylonitrile, caprolactam and naphthalene

Answer: B

Explanation:

Feature A01: Air Quality of WELL v2 requires projects to provide acceptable air quality levels for particulate matter (PM), benzene, ozone and radon in occupiable spaces, as determined by public health authorities. These parameters are among the most common and harmful indoor air pollutants that can affect human health and well-being.

Reference: = WELL v2 Feature A01: Air Quality, WELL AP Candidate Handbook