WELL AP v2 – Air UPDATED QUESTIONS
and CORRECT Answers
What are the acceptable thresholds for particulate matter for all spaces except Commercial
Kitchens and Industrial spaces in unpolluted regions in Part 1: Meet Thresholds for Particulate
Matter of Feature A01: Air Quality? - CORRECT ANSWER - PM2.5: 15 ug/M or lower
and PM10: 50 ug/m or lower.
In Feature A01: Air Quality, what is the acceptable threshold for particulate matter in commercial
kitchens? - CORRECT ANSWER - PM 2.5: 35 ug/M or lower
What is the verification method for Part 1: Meet Thresholds for Particulate Matter, Option 1 of
Feature A01: Air Quality in all spaces except commercial kitchens and industrial spaces? -
CORRECT ANSWER - Performance Test
In a project with regularly occupied spaces at or below grade, where should the radon test be
performed for Feature A01: Air Quality? - CORRECT ANSWER - At or below grade.
At an existing office building campus, signage indicating an outdoor smoking ban is posted at all
building entrances. The signs indicate the ban on smoking within 7.5 m (25 ft) of all building
entrances, operable windows, building air intakes, and regularly occupied exterior building
spaces. What signage must be added to the courtyard areas more than 7.5 m (25 ft) from building
entrances to meet the requirements of Part 2: Prohibit Outdoor Smoking of Feature A02: Smoke-
Free Environment? - CORRECT ANSWER - The hazards of smoking, posted at ground
level every 30 m (100 ft) along walkways.
An office building's air quality test has met the minimum requirement for ozone in Part 3:
Inorganic Gases of Feature A01: Air Quality. What other minimum standard is also required in
Part 3 of that feature for WELL Certification? - CORRECT ANSWER - Carbon
Monoxide: 10 ug/m or lower
A new office building in Seattle is in its post-occupancy performance test phase by a WELL
Performance Testing Agent. What is the minimum threshold for formaldehyde in Part 2: Meet
, Thresholds for Organic Gases of Feature A01: Air Quality? - CORRECT ANSWER - 50
ug/m3 or lower
An office building has several balconies and a rooftop accessible by building occupants.
According to Part 2: Prohibit Outdoor Smoking of Feature A02: Smoke-Free Environment, there
must be signage in all outdoor areas within the project's boundary. What is the verification
method required for this feature? - CORRECT ANSWER - On-site Photographs
What is the maximum level of carbon monoxide for all spaces in Part 3: Meet Threshold for
Inorganic Gases of Feature A05: Enhanced Air Quality? - CORRECT ANSWER -7
mg/m3 or lower
In mechanically ventilated spaces, ventilation systems are designed to meet supply and exhaust
rates set in one or more of the following verification guidelines: - CORRECT ANSWER -
ASHRAE 62.1-2010, ASHRAE 62.2-2016
In naturally ventilated spaces with no mechanical ventilation, what requirements must be met for
at least 90% of the project? - CORRECT ANSWER - CIBSE AM10
The use of UVGI is required for which of the following features? - CORRECT
ANSWER - Feature A14: Microbe and Mold Control
What are the minimum dimensions required for entryway walk-off systems? - CORRECT
ANSWER - At least the width of the doorway and 3m (10ft) long in the direction of travel.
An office space is being constructed on the 5th floor of a downtown tower. According to Feature
A03: Ventilation Design, when is the ideal time to perform testing and balancing on the HVAC
system in this project? - CORRECT ANSWER - After project occupancy.
In Part 2: Meet Enhanced Thresholds for Organic Gases of Feature A05: Enhanced Air Quality,
which thresholds are to be met? - CORRECT ANSWER - Formaldehyde 9 ug/m3 or lower
& Toluene 300 ug/m3 or lower.
and CORRECT Answers
What are the acceptable thresholds for particulate matter for all spaces except Commercial
Kitchens and Industrial spaces in unpolluted regions in Part 1: Meet Thresholds for Particulate
Matter of Feature A01: Air Quality? - CORRECT ANSWER - PM2.5: 15 ug/M or lower
and PM10: 50 ug/m or lower.
In Feature A01: Air Quality, what is the acceptable threshold for particulate matter in commercial
kitchens? - CORRECT ANSWER - PM 2.5: 35 ug/M or lower
What is the verification method for Part 1: Meet Thresholds for Particulate Matter, Option 1 of
Feature A01: Air Quality in all spaces except commercial kitchens and industrial spaces? -
CORRECT ANSWER - Performance Test
In a project with regularly occupied spaces at or below grade, where should the radon test be
performed for Feature A01: Air Quality? - CORRECT ANSWER - At or below grade.
At an existing office building campus, signage indicating an outdoor smoking ban is posted at all
building entrances. The signs indicate the ban on smoking within 7.5 m (25 ft) of all building
entrances, operable windows, building air intakes, and regularly occupied exterior building
spaces. What signage must be added to the courtyard areas more than 7.5 m (25 ft) from building
entrances to meet the requirements of Part 2: Prohibit Outdoor Smoking of Feature A02: Smoke-
Free Environment? - CORRECT ANSWER - The hazards of smoking, posted at ground
level every 30 m (100 ft) along walkways.
An office building's air quality test has met the minimum requirement for ozone in Part 3:
Inorganic Gases of Feature A01: Air Quality. What other minimum standard is also required in
Part 3 of that feature for WELL Certification? - CORRECT ANSWER - Carbon
Monoxide: 10 ug/m or lower
A new office building in Seattle is in its post-occupancy performance test phase by a WELL
Performance Testing Agent. What is the minimum threshold for formaldehyde in Part 2: Meet
, Thresholds for Organic Gases of Feature A01: Air Quality? - CORRECT ANSWER - 50
ug/m3 or lower
An office building has several balconies and a rooftop accessible by building occupants.
According to Part 2: Prohibit Outdoor Smoking of Feature A02: Smoke-Free Environment, there
must be signage in all outdoor areas within the project's boundary. What is the verification
method required for this feature? - CORRECT ANSWER - On-site Photographs
What is the maximum level of carbon monoxide for all spaces in Part 3: Meet Threshold for
Inorganic Gases of Feature A05: Enhanced Air Quality? - CORRECT ANSWER -7
mg/m3 or lower
In mechanically ventilated spaces, ventilation systems are designed to meet supply and exhaust
rates set in one or more of the following verification guidelines: - CORRECT ANSWER -
ASHRAE 62.1-2010, ASHRAE 62.2-2016
In naturally ventilated spaces with no mechanical ventilation, what requirements must be met for
at least 90% of the project? - CORRECT ANSWER - CIBSE AM10
The use of UVGI is required for which of the following features? - CORRECT
ANSWER - Feature A14: Microbe and Mold Control
What are the minimum dimensions required for entryway walk-off systems? - CORRECT
ANSWER - At least the width of the doorway and 3m (10ft) long in the direction of travel.
An office space is being constructed on the 5th floor of a downtown tower. According to Feature
A03: Ventilation Design, when is the ideal time to perform testing and balancing on the HVAC
system in this project? - CORRECT ANSWER - After project occupancy.
In Part 2: Meet Enhanced Thresholds for Organic Gases of Feature A05: Enhanced Air Quality,
which thresholds are to be met? - CORRECT ANSWER - Formaldehyde 9 ug/m3 or lower
& Toluene 300 ug/m3 or lower.
