Which sustainable construction practice contributes to LEED Indoor Environmental Quality credits?
Correct Answer
A) Installing low-emission materials and providing adequate ventilation
Indoor Environmental Quality credits focus on occupant health and comfort, which includes using low-emission materials (low VOC) and providing adequate ventilation systems to maintain good indoor air quality.
Why This Is the Correct Answer
Indoor Environmental Quality (IEQ) credits in LEED specifically target the health, comfort, and well-being of building occupants. Low-emission materials reduce harmful volatile organic compounds (VOCs) that can cause health issues and poor air quality. Adequate ventilation systems ensure proper air circulation and filtration, removing pollutants and maintaining optimal indoor air quality. These practices directly address the core objectives of IEQ credits by creating healthier indoor environments.
Why the Other Options Are Wrong
Option B: Using locally sourced materials
Using recycled concrete aggregate primarily contributes to LEED Materials and Resources credits, not Indoor Environmental Quality credits. While it's a sustainable practice that reduces waste and conserves natural resources, it doesn't directly impact indoor air quality or occupant health and comfort.
Option D: Implementing water-efficient landscaping
Water-efficient landscaping contributes to LEED Water Efficiency credits, not Indoor Environmental Quality credits. This practice focuses on reducing outdoor water consumption and has no direct impact on indoor air quality or occupant comfort within the building.
Memory Technique
Think 'IEQ = Inside Everyone's Quality of life' - focus on low-emission materials (clean air) and ventilation (fresh air circulation) for healthy indoor environments.
Reference Hint
LEED Reference Guide for Building Design and Construction - Indoor Environmental Quality section, or Florida Building Code Chapter 4 (Ventilation)
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