Mpho Ndou is a senior lecturer at the Department of Construction Management and Quantity Surveying, University of Johannesburg, South Africa. Dr Ndou also bridges the gap between academia and practice through his industrial footprint as a seasoned Chartered Quantity Surveyor offering consultancy services to multiple built environment organisations. His research interests are mainly anchored across various areas within the built environment, including sustainable construction and environmental sciences. He has authored several conference and journal articles in collaboration with other researchers.Clinton Aigbavboa is a research professor at the Department of Construction Management and Quantity Surveying and director of the cidb Centre of Excellence & Sustainable Human Settlement and Construction Research Centre at the University of Johannesburg, South Africa. Currently, he is the Chair of SARChI in Sustainable Construction Management and Leadership in the Built Environment at the University of Johannesburg, South Africa. Before delving into academics, he was a quantity surveyor on several infrastructural projects in Nigeria and South Africa. He completed his PhD in engineering management and has published several research papers in the areas of housing, construction, engineering management, and research methodology for construction students. Also, he has published over seventeen research books. He has extensive knowledge of practice, research, training, and teaching.Wellington Thwala is a research professor and Executive Dean at the Walter Sisulu University, South Africa. He has varied research interests, including project management, construction management, supply chain management and leadership in the construction industry, construction digitalisation, Fourth Industrial Revolution (4IR) and smart cities. He is the editor-in-chief of the Journal of Construction Project Management and Innovation. He has more than 400 published and peer-reviewed journals, chapters in books and conference proceedings locally and internationally. He also serves as an editorial board member of various reputable international journals.Abdul-Majeed Mahamadu is a research professor and a leading expert in digitalisation and innovative and industrialised construction at University College London's Bartlett School of Sustainable Construction. As a Chartered Construction Manager and Fellow of the Higher Education Academy, he has made significant research contributions, leading projects valued at over £1.7 million. With a focus on digitalisation, sustainable construction and industry collaboration, Prof. Mahamadu's work bridges academia and practice. His leadership in industry-sponsored PhD projects and commitment to innovation positions him as a prominent figure in construction management and education globally.

• List of Figures List of TablesPreface Acknowledgements About the Authors List of AbbreviationsPART I - FIRST PRINCIPLESCHAPTER 1 – General IntroductionPART II – INTERPRETING THE INDOOR ENVIRONMENTCHAPTER 2 – Overview of Indoor Environmental QualityCHAPTER 3 - The Phenomenon of Indoor Air QualityCHAPTER 4 – Indoor Air Quality Legislation: A Global PerspectiveCHAPTER 5 - Indoor Air Quality in A Developing Econom: A South African PerspectivePART III – CONCEPTUALISING INDOOR AIR QUALITY MANAGEMENTCHAPTER 6 – Gaps in Indoor Air Quality ResearchCHAPTER 7 – A Theoretical Perspective of Indoor Air QualityCHAPTER 8 – A Conceptual Perspectives of Indoor Air QualityPART IV – CONCLUSIONSCHAPTER 9 – Conclusions and Recommendations

Mpho Ndou is a senior lecturer at the Department of Construction Management and Quantity Surveying, University of Johannesburg, South Africa. Dr Ndou also bridges the gap between academia and practice through his industrial footprint as a seasoned Chartered Quantity Surveyor offering consultancy services to multiple built environment organisations. His research interests are mainly anchored across various areas within the built environment, including sustainable construction and environmental sciences. He has authored several conference and journal articles in collaboration with other researchers.Clinton Aigbavboa is a research professor at the Department of Construction Management and Quantity Surveying and director of the cidb Centre of Excellence & Sustainable Human Settlement and Construction Research Centre at the University of Johannesburg, South Africa. Currently, he is the Chair of SARChI in Sustainable Construction Management and Leadership in the Built Environment at the University of Johannesburg, South Africa. Before delving into academics, he was a quantity surveyor on several infrastructural projects in Nigeria and South Africa. He completed his PhD in engineering management and has published several research papers in the areas of housing, construction, engineering management, and research methodology for construction students. Also, he has published over seventeen research books. He has extensive knowledge of practice, research, training, and teaching.Wellington Thwala is a research professor and Executive Dean at the Walter Sisulu University, South Africa. He has varied research interests, including project management, construction management, supply chain management and leadership in the construction industry, construction digitalisation, Fourth Industrial Revolution (4IR) and smart cities. He is the editor-in-chief of the Journal of Construction Project Management and Innovation. He has more than 400 published and peer-reviewed journals, chapters in books and conference proceedings locally and internationally. He also serves as an editorial board member of various reputable international journals.Abdul-Majeed Mahamadu is a research professor and a leading expert in digitalisation and innovative and industrialised construction at University College London's Bartlett School of Sustainable Construction. As a Chartered Construction Manager and Fellow of the Higher Education Academy, he has made significant research contributions, leading projects valued at over £1.7 million. With a focus on digitalisation, sustainable construction and industry collaboration, Prof. Mahamadu's work bridges academia and practice. His leadership in industry-sponsored PhD projects and commitment to innovation positions him as a prominent figure in construction management and education globally.

• List of Figures List of TablesPreface Acknowledgements About the Authors List of AbbreviationsPART I - FIRST PRINCIPLESCHAPTER 1 – General IntroductionPART II – INTERPRETING THE INDOOR ENVIRONMENTCHAPTER 2 – Overview of Indoor Environmental QualityCHAPTER 3 - The Phenomenon of Indoor Air QualityCHAPTER 4 – Indoor Air Quality Legislation: A Global PerspectiveCHAPTER 5 - Indoor Air Quality in A Developing Econom: A South African PerspectivePART III – CONCEPTUALISING INDOOR AIR QUALITY MANAGEMENTCHAPTER 6 – Gaps in Indoor Air Quality ResearchCHAPTER 7 – A Theoretical Perspective of Indoor Air QualityCHAPTER 8 – A Conceptual Perspectives of Indoor Air QualityPART IV – CONCLUSIONSCHAPTER 9 – Conclusions and Recommendations

Mpho Ndou is a senior lecturer at the Department of Construction Management and Quantity Surveying, University of Johannesburg, South Africa. Dr Ndou also bridges the gap between academia and practice through his industrial footprint as a seasoned Chartered Quantity Surveyor offering consultancy services to multiple built environment organisations. His research interests are mainly anchored across various areas within the built environment, including sustainable construction and environmental sciences. He has authored several conference and journal articles in collaboration with other researchers.Clinton Aigbavboa is a research professor at the Department of Construction Management and Quantity Surveying and director of the cidb Centre of Excellence & Sustainable Human Settlement and Construction Research Centre at the University of Johannesburg, South Africa. Currently, he is the Chair of SARChI in Sustainable Construction Management and Leadership in the Built Environment at the University of Johannesburg, South Africa. Before delving into academics, he was a quantity surveyor on several infrastructural projects in Nigeria and South Africa. He completed his PhD in engineering management and has published several research papers in the areas of housing, construction, engineering management, and research methodology for construction students. Also, he has published over seventeen research books. He has extensive knowledge of practice, research, training, and teaching.Wellington Thwala is a research professor and Executive Dean at the Walter Sisulu University, South Africa. He has varied research interests, including project management, construction management, supply chain management and leadership in the construction industry, construction digitalisation, Fourth Industrial Revolution (4IR) and smart cities. He is the editor-in-chief of the Journal of Construction Project Management and Innovation. He has more than 400 published and peer-reviewed journals, chapters in books and conference proceedings locally and internationally. He also serves as an editorial board member of various reputable international journals.Abdul-Majeed Mahamadu is a research professor and a leading expert in digitalisation and innovative and industrialised construction at University College London's Bartlett School of Sustainable Construction. As a Chartered Construction Manager and Fellow of the Higher Education Academy, he has made significant research contributions, leading projects valued at over £1.7 million. With a focus on digitalisation, sustainable construction and industry collaboration, Prof. Mahamadu's work bridges academia and practice. His leadership in industry-sponsored PhD projects and commitment to innovation positions him as a prominent figure in construction management and education globally.

• List of Figures List of TablesPreface Acknowledgements About the Authors List of AbbreviationsPART I - FIRST PRINCIPLESCHAPTER 1 – General IntroductionPART II – INTERPRETING THE INDOOR ENVIRONMENTCHAPTER 2 – Overview of Indoor Environmental QualityCHAPTER 3 - The Phenomenon of Indoor Air QualityCHAPTER 4 – Indoor Air Quality Legislation: A Global PerspectiveCHAPTER 5 - Indoor Air Quality in A Developing Econom: A South African PerspectivePART III – CONCEPTUALISING INDOOR AIR QUALITY MANAGEMENTCHAPTER 6 – Gaps in Indoor Air Quality ResearchCHAPTER 7 – A Theoretical Perspective of Indoor Air QualityCHAPTER 8 – A Conceptual Perspectives of Indoor Air QualityPART IV – CONCLUSIONSCHAPTER 9 – Conclusions and Recommendations