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      FRAMEWORK FOR INTEGRATING INDOOR AIR QUALITY IMPACTS INTO LIFE CYCLE ASSESSMENTS OF BUILDINGS AND BUILDING RELATED PRODUCTS

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          Abstract

          Products used during construction and operation of a building can contribute to Indoor Air Quality (IAQ) problems that affect occupants' well-being. However, IAQ is conventionally not addressed in the life cycle assessments (LCAs) of buildings and building related products even though IAQ leads to one of the areas of protection under LCA - human health impacts. In this study, we proposed an overall framework for integrating IAQ into LCA using the standard steps of LCA. The framework focused on IAQ and LCA modeling from two categories of building related products: i) passive products that realize their function through initial installation and have long-term decayed emissions, and ii) active equipment that realize their function and cause emissions through daily operation. Dynamic and static life cycle inventory modeling approaches were proposed for passive products and active equipment, respectively. An indoor intake fraction equation and USEtox model effect factors were incorporated into the life cycle impact assessment. Three hypothetical examples were presented to illustrate the calculation procedure of the framework. We concluded that it was feasible to integrate IAQ into building related LCA studies. Development of IAQ related impact assessment methodologies can improve upon the limitations of this study. Further studies need to be carried out to compare the health impacts from IAQ related sources to other life cycle stages of building related products.

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          Most cited references 41

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          USEtox—the UNEP-SETAC toxicity model: recommended characterisation factors for human toxicity and freshwater ecotoxicity in life cycle impact assessment

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            Comparison of Three Different LCIA Methods: EDIP97, CML2001 and Eco-indicator 99

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              A review of the emission of VOCs from polymeric materials used in buildings

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                Author and article information

                Journal
                jgrb
                Journal of Green Building
                College Publishing
                1552-6100
                1943-4618
                1943-4618
                Winter 2015
                : 10
                : 1
                : 127-149
                Author notes

                1. Centre for Global Change & Earth Observations, Department of Geography, Michigan State University, East Lansing, MI 48823, USA; E-Mail: susierwu@ 123456msu.edu

                2. Associate Professor, Department of Civil Engineering, University of Toledo; Address: 2801 W. Bancroft St. Mail Stop 307, Toledo, OH, 43606; E-Mail: defne.apul@ 123456utoledo.edu

                Article
                jgb.10.1.127
                10.3992/jgb.10.1.127
                ©2015 by College Publishing. All rights reserved.

                Volumes 1-10 of JOGB are open access and do not require permission for use, though proper citation should be given. To view the licenses, visit https://creativecommons.org/licenses/by-nc/4.0/

                Page count
                Pages: 23
                Product
                Categories
                RESEARCH ARTICLES

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