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US Green Building Council LEED-AP-BD+C Exam - Topic 3 Question 26 Discussion

Posted by Rosann on Apr 12, 2026 at 06:52 PM

Which of the following must be included in the Sustainable Sites Credit, Site Assessment?

Suggested Answer: C

The correct answer is C. Proximity of vulnerable populations to major sources of air pollution.

According to the LEED v4.1 Reference Guide for Building Design and Construction, the Site Assessment credit requires projects to conduct and document a site inventory and analysis that covers the following topics1:

Topography

Hydrology

Climate

Vegetation

Soils

Human use

Human health effects

The human health effects topic includes identifying the proximity of vulnerable populations, such as children, elderly, or low-income residents, to major sources of air pollution, such as highways, power plants, or industrial facilities. This information can help the project team design strategies to minimize the exposure of occupants and visitors to harmful pollutants and improve the indoor and outdoor air quality of the project1.

The other options are not required for the Site Assessment credit, although they may be relevant for other credits or prerequisites. A targeted Brownfield remedy plan is required for the Brownfields Remediation credit, which applies to projects located on sites contaminated by past uses1. A historic preservation plan to include neighboring properties is not required for any LEED credit, although projects that involve historic buildings or districts must comply with local regulations and standards for preservation1. The surrounding density within a 1/4 mi. (0.40 km) radius of the project boundary is not required for the Site Assessment credit, but it is used to calculate the points for the Surrounding Density and Diverse Uses credit, which encourages projects to locate in areas with high levels of existing development and mixed land uses1.


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21 comments · newest first
ST
Stephanie 1 month ago
All options matter, but C feels most urgent for equity.
CO
Coleen 2 months ago
I lean towards A. Brownfield plans are essential for remediation.
SH
Shaun 2 months ago
True, but without C, we ignore health risks.
HE
Hector 2 months ago
But D is also important. Density impacts community resources.
JE
Jenifer 2 months ago
Agreed! C highlights social justice in site assessments.
SE
Sean 2 months ago
I think C is crucial. Air pollution affects vulnerable populations directly.
LE
Leanna 2 months ago
I’m leaning towards C as well. Protecting vulnerable groups is a priority.
DA
Darci 3 months ago
B could be key too. Historic preservation connects to community identity.
LY
Lynette 3 months ago
A seems less relevant. Brownfield plans are specific, not always needed.
PA
Patti 3 months ago
D is also important. Density affects resource use and community.
EL
Ellen 3 months ago
I agree, C makes sense. We need to consider health impacts.
IZ
Izetta 3 months ago
I think C is crucial. Air pollution affects vulnerable populations directly.
CA
Caprice 3 months ago
Surprised that air pollution proximity isn't a given!
FL
Flo 4 months ago
B is crucial for preserving history, totally agree!
CE
Cecily 4 months ago
Wait, are we really considering A? Seems off.
DO
Dorthy 5 months ago
I think D should be included too, it’s important.
AR
Arminda 6 months ago
C is definitely a must for site assessment!
VA
Vashti 6 months ago
The historic preservation plan sounds like it could be important, but I don't remember it being a core requirement for site assessments.
AM
Ammie 6 months ago
I feel like the targeted Brownfield remedy plan could be included, but I can't recall if it's specifically required for the Sustainable Sites Credit.
MA
Mari 6 months ago
I remember practicing a question similar to this, and I think surrounding density was a key factor in that one. It might be relevant here too.
JA
Jacqueline 7 months ago
I think the proximity of vulnerable populations to major sources of air pollution is really important for site assessment, but I'm not entirely sure if it's a must-have.
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