Building Health Services

LEED IEQ 3.2 Indoor Air Quality Certification for New Construction and Major Renovations

Do you have questions regarding LEED IEQ 3.2 indoor air quality certification for your facility? Indoor Environmental Technologies’ (IET) staff of Indoor Air Quality (IAQ) specialists have the knowledge and expertise to review your project and implement the testing required to achieve this important credit certification utilizing the most efficient, cost-effective approach. IET has been serving the southeastern USA and Caribbean, providing air quality and building science inspections for over 20 years. We are here to address all your IEQ concerns. Just give us a call or email us.

What is LEED?

LEED, or Leadership in Energy and Environmental Design, is transforming the way we think about our indoor environments where many people spend over 90% of their time, in our home and our work place. LEED provides building owners and operators with a framework for identifying and implementing practical and measurable green building design, construction, operations and maintenance designs. Developed by the U.S. Green Building Council (USGBC) in 2000, LEED certification provides independent, third-party verification that a building project meets the highest green building and performance measures. There are environmental and financial benefits to earning LEED certification, including tax rebates, zoning allowances, and other incentives.

Benefits of achieving LEED certification for your facility:
  • Lower operating costs and increased asset value
  • Reduce waste sent to landfills
  • Conserve energy and water
  • Healthier and safer for occupants
  • Reduce harmful greenhouse gas emissions
  • Qualify for tax rebates, zoning allowances and other incentives
  • Demonstrate an owner's commitment to environmental stewardship and social responsibility


What is LEED IEQ 3.2?

An important LEED certification credit for newly constructed or remodeled buildings is LEED IEQ 3.2. This certification’s intent is to reduce indoor air quality problems resulting from off-gassing of construction materials while promoting the comfort and well-being of its occupants. LEED IAQ 3.2 credit requires an IAQ Management Plan for the preoccupancy phase after construction is completed and immediately prior to occupancy. The IAQ management plan requirement can be achieved through one of two methods. A flush-out of the building using the HVAC system can be performed or baseline IAQ testing can be used to verify and document for future reference acceptable levels of certain contaminants within the building. Indoor Environmental Technologies has successfully helped our clients achieve these LEED credits and will help your facility achieve LEED IAQ 3.2 certification.

Baseline IEQ Air Sampling Option as of June 2013
Measured Parameters and Target Levels
Parameters Target Levels
Total Volatile Organic Compounds (TVOCs) <500μg/m3
Carbon Monoxide (CO) <9ppm (also, no more than > 2ppm above outdoor levels)
Particulates (PM10) <50μg/m3
Formaldehyde (HCHO) <27 ppb
4-Phenylcyclohexene (4-PCH) <6.5μg/m3

(This measurement is only required for spaces where carpeting or fabrics with styrne butadiene rubber (SBR) backing has been installed)
Measurements must be taken over a minimum period of four hours.


How to Get LEED Certified

LEED certifications are awarded through the issuance of credits. In new and renovated buildings, one full credit can be obtained from the Green Building Council for LEED IEQ 3.2 certification. The flush-out method to achieve certification requires the air handling system in the building to be run, “flushing out” the interior spaces for a period of days or weeks ahead of occupancy. There is also the option of a two-phase flush-out, with a stage of HVAC operation ahead of occupancy then significantly higher than normal outdoor (dilution) air being delivered through the HVAC during initial occupancy. Unfortunately, the “flush-out” option can delay occupancy and greatly increase energy costs associated with cooling or heating the additional outdoor air. As an alternative, baseline IAQ sampling and chemical testing can be performed and if a range of specific contaminant parameters are measured below prescribed levels, the flush-out period may be reduced or eliminated.

IET can help companies achieve LEED 3.2 certification by providing independent, third-party verification that a building meets these LEED standards prior to occupancy. IET will provide comprehensive services to help you maximize credits and conduct testing in accordance with LEED IEQ 3.2 specifications and EPA's current Protocol for Environmental Requirements. Let IET’s professionals assist on your project by developing a customized Indoor Air Quality Management Plan and conduct testing at your facility to document compliance with LEED IAQ 3.2 contaminant levels.


 
What is LEED?

What is LEED IEQ 3.2?

How to get LEED Certified


IET’s capable professionals will work closely with you to develop and implement the best approach for your building to achieve LEED IEQ 3.2 certification quickly, efficiently, and within budget.

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