The thesis presents the sources of indoor air pollution, indoor air quality standard, major indoor pollutions, the indoor environmental testing and the reduction of. It can enter indoors through cracks and openings in floors and walls that are in contact with the ground. New york state energy research and development authority, albany, ny. Review of research on airconditioning systems and indoor air. It is related to the choice of construction materials and associated with voc emissions. Indoor pollution sources that release gases or particles into the air are the primary cause of indoor air quality problems. Note that the use of a smart indoor air quality monitor is recommended by local and international regulatory bodies for the indoor air quality iaq of private and public buildings. Ventilation strategies for better indoor air quality and energy efficiency source. Indoor air quality in retail stores university of texas at. Planet earth is encompassed by a blanket of gases we refer to as our atmosphere. The primary purpose of this dissertation is to assess the indoor air quality of three schools in north texas as well as to investigate the factors that might impact. To characterize and quantify outdoor air quality of a rural school and assess the factors driving pollutant concentrations. Using temporal data and gis to visualize iaq in campus buildings. This thesis describes development of low cost indoor air quality iaq monitoring system for research.
A selected list of references is given at the end of the report. Indoor air quality iaq is an important parameter in deciding the status of sick. Jul 21, 2016 indoor pollution sources that release gases or particles into the air are the primary cause of indoor air quality problems. Assessment of indoor environmental quality in residential.
This paper presents a survey of iaq studies and related research works done in academic institutions, industry and government. Indoor environmental quality of classrooms and student. Improving indoor air quality iaq in kuwaiti housing developments at design, construction, and occupancy stages walid h. The work thus improves the modelling of construction feature risk assessment, for example, moisture absorption and desorption at the internal fabric surfaces in as much as it relates to indoor air quality. Evaluation of indoor air quality in four nursing home facilities in. Pdf indoor air humidity, air quality, and health an. Studies and reports on indoor air quality and health. An international project on indoor air quality design and. Although a number of individual studies of indoor air quality, ventilation, and health symptoms in schools exist, a comprehensive examination of the existing research has not been compiled. A study of indoor air quality in dormitories of unwersiti malaysia pahang nur fitriah bll4t1 isa a thesis submitted in partial fulfillment of the requirement for the award of the degree of bachelor of civil engineering faculty of civil engineering and earth resources university malaysia pahang november 2010.
Indoor air pollution may arise from the use of open fires, unsafe fuels or combustion of. One example of a negative pressure application is isolation walls in hospitals. Given the fact that humans spends majority of their daily hours indoors, good indoor air quality and comfort. Pdf indoor air humidity, air quality, and health an overview. Using temporal data and gis to visualize iaq in campus. Indoorairqualityin commercialand institutionalbuildings. Estimating air pollution and its relationship with human. Ventilation, good indoor air quality and rational use of energy. Indoor air quality in retail stores by joshua daniel rhodes, b. A ventilation intervention study in classrooms to improve.
Inadequate ventilation can increase indoor pollutant levels by not bringing in enough outdoor air to dilute emissions from indoor sources and by not carrying indoor air pollutants out of the area. The thesis covers recent previous investigations to measure the impact of indoor plants in each of. To improve classroom ventilation a tailor made mechanical ventilation device was. Indoor air quality has become one of the most important aspects that environmentalists, academics and even the general public is taking consideration on. Introduction indoorairquality iaqisamajorconcernto businesses,schools,buildingmanagers,tenants, andworkersbecauseitcanimpactthehealth, comfort,wellbeing.
The dissertation thesis investigates the impact of energy renovation on the indoor environmental quality of apartment. Indoor air quality in schools university of texas at. Effects of indoor air quality on the occupants health and. Indoor sources are the primary cause of indoor air quality problems in homes. Indoor air quality iaq problems are a major cause of morbidity and an emerging. Introduction to indoor air quality indoor air quality iaq. Normally, supply air is mixed with 70% return air and 30% fresh air to maintain the indoor air quality, while minimizing energy cost. The impact of plants on indoor air quality, energy use. Air quality health comfort human abstract with the improvement of standard of living, air conditioning has widely been applied. European concerted action on indoor air quality and its impact on man formerly cost project 6, and the international conferences on indoor air quality and climate. Indoor air quality in retail stores approved by supervising committee.
Sattler indoor air quality iaq in educational facilities is a very important aspect of the. Pdf indoor environmental quality, pupils health and academic. In terms of indoor air quality, both average indoor pn and co2concentrations decreased by 42% and 23%, respectively, while potential energy savings due to free cooling could reach as high as 96% when compared to the normal operating conditions used during winter. The us environmental protection agency epa science advisory board rated indoor air pollutants, excepting radon, as the third highest of 30 environmental risks, well ahead, of sixth ranked occupational exposures to chemicals. In terms of indoor air quality, both average indoor pn and co2 concentrations decreased by 42% and 23%, respectively, while potential energy savings due to free cooling could reach as high as 96% when compared to the normal operating conditions used during winter. Development of wireless sensor network system for indoor. The aim of this thesis was to study the most prominent iaq problems in finnish schools. Introduction to indoor air quality iaq why do we care about indoor air quality iaq.
Aggregate level data is used to describe the health of the population living with the region, this is typically a daily count of the number of. Besides, we will look into another effective method to improve iaq use of air cleaners. This thesis focuses on the impact of indoor plants on the three categories. Air quality assessment methodology this chapter presents the methods used to estimate the air quality impacts of the emissions control strategies outlined in chapter 4 of this document. The subject of the dissertation indoor air quality, which is the main research area of the current dissertation, is a new scientific area. Implications for classroom design were discussed with suggestions for future research. Liub aschool of energy and power engineering, xian jiaotong university, 28 xianning west road, xian, shaanxi 710049, china bschool of human settlement and civil engineering, xian jiaotong university, 28 xianning west road, xi. Indoor air quality iaq refers to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. D alrazni school of the built environment college of science and technology university of salford, salford, uk submitted in partial fulfilment of the requirements of the degree of doctor of philosophy, april 2016. Indoor air humidity, air quality, and health an overview article pdf available in international journal of hygiene and environmental health 22. Air quality is paramount for peoples wellbeing, as well as the environment.
Name of the bachelors thesis indoor air quality iaq using temporal data and gis to visualize iaq in campus building abstract there is no doubt that indoor air quality iaq is essential for human health because of the long exposure time human has inside. Indoor air quality in uae office buildings and their. Indoor air quality environmental protection department. Indoor air quality in retail stores university of texas.
In the first module, basic concepts of iaq are illustrated. Improving indoor air quality iaq university of salford. Indoor air quality management plan adopted from minnesota department of health model indoor air quality management plan june 2010 page 2 of table of contents policies 1. What kind of research on indoor air quality is needed. In this work, an alternative approach has been presented that considers. Therefore, the objective is to develop a minimalistic survey design that can be applied in all countries of the region. Indoor air quality iaq is considered one of the top five. Classroom ventilation rates often do not meet building standards, although it is considered to be important to improve indoor air quality. Poor iaq with high pollutants may lead to discomfort and some health problems such as headaches, respiratory irritation and eye irritation. Methods for monitoring indoor air quality in schools page 3 overview of approaches and limitations who european region includes 53 countries with a wide range of climatic and socioeconomic conditions and building practices. An investigation of the impact of outdoor air quality, school layout, and room type sahar m. Estimating air pollution and its relationship with human health. Health effects from indoor air pollutants may be experienced soon.
The health impact of shortterm exposure to air pollution has been the focus of much recent research, the majority of which is based on timeseries studies. Iaq standards and guidelines epa and ashrae standard. Indoor air quality iaq studies in the philippines are relatively new especially as a field of research in universities. Indoor air quality is influenced by concentrations of outdoor air pollutants, indoor sources of pollution, characteristics of the building and the habits of the residents. Researching and measuring the indoor air quality in passive. This thesis was partly sponsored by a grant from reykjavik energys environmental. Nowadays most people even spend 90% of their time indoors, so indoor air quality iaq is a very important factor to peoples health in modern life. One of the buildings in each pair has been renovated and the other was in its original state. It describes data collection of various parameters concentration present in indoor air and sends data back to host pc for further processing. Annex 68, indoor air quality design and control in low energy residential buildings, is a project under ieas energy conservation in buildings and communities program ebc, which will endeavor to investigate how future residential buildings are able to have very highenergy performance whilst providing comfortable and healthy indoor. But the legislation and relevant policy about indoor air are far behind outdoors.
Besides, ventilation is effective in improving iaq in general. Improving indoor air quality iaq in kuwaiti housing. The concentrations of indoor air pollutants observed in this study are either lower than or. Chapter 10 air quality department of environmental affairs. Lbnl48287 1 to be published in indoor air indoor air quality, ventilation and health symptoms in schools. Sections 1 and 2 discuss related literature on ambient air pollution and indoor air pollution, respectively. This study was conducted during the 201220 academic year in three high schools. The this study was to study the indoor air quality in junior high schools in. An introduction to indoor air quality indoor air quality.
In the early 1980s, indoor a r quality iaq em rged as a substantial focus in the lit e ra tu when he world health o ganizati ho 1986 report edthat up o 30% of he new and emodel build ings ac ross he world had ece ved excess ve mplaints concerning iaq. Their properties, sources, health impacts, mitigation and control measures are explained. The diagram shows the simple structure of a mechanical ventilation system. Benzene 15 general description 15 indoor sources 15 pathways of exposure 17 indoor concentrations 18 indooroutdoor. Risk assessment in relation to indoor air quality, eur 19529en, 2000. In this module, two major indoor air contaminants radon and indoor aerosol are discussed. Ventilation, good indoor air quality and rational use of. To provide a basis for assessment of risks to human health from indoor air quality, and a sound scientific basis for the development and implementation of policies, the scher is asked to identify the adequacy of current information and data requirements for fillingin gaps on aspects such as exposureeffect and doseresponse relationships, existing measurement standards and. Indoor environmental quality, pupils health and academic performance. Poor indoor air quality is thought to influence both childrens health and performance.
Section 3 describes the details of the renovation projects and student data used in the. The first field study was performed in three pairs of residential buildings. For example the majority of air pollution and health studies only consider the health e. Radon is a radioactive gas that is formed in the soil. The truth about indoor air quality is that most people dont know anything about the air they breathe in their homes. The dissertation thesis investigates the impact of energy renovation on the indoor environmental quality of apartment buildings. Review of research on airconditioning systems and indoor. Assessment of indoor environmental quality in residential buildings. Poor ventilation in the netherlands most often occurs in the heating season. The thesis committee for joshua daniel rhodes certifies that this is the approved version of the following thesis. To begin, we first describe the air quality assessment tool developed by epa to relate lead emissions to ambient lead concentrations. The university of texas at arlington, 2014 supervising professor. In the past decade an increasing number of studies are pointing to the same conclusion that particulate matter is a serious health threat which can kill you in a variety of ways. To quantitatively characterize indoor biomass combustion products during cooking and heating in village homes.
Indoor air quality iaq in educational facilities is a very important aspect of the educational process because it may affect the students and staff health and performance. A timeseries study uses health, pollution and meteorological data from an extended urban area. However, health problems associated with air conditioning systems and indoor air quality appear more frequently. This limits the comparisons that can be made with the data to, in many cases, comparisons against measurements in dwellings that have indoor air quality issues. The organization of this thesis consists of 6 chapters and divided as followings. We shall look into the ventilation concept, methodologies, and measurement techniques. Understanding and controlling common pollutants indoors can help reduce your risk of indoor health concerns. To characterize and quantify onroad air quality along the eastwest highway and. Inadequate ventilation can increase indoor pollutant levels by not bringing in enough outdoor air to dilute emissions from indoor sources and. Developing indoor air quality guidelines 2 setting indoor air quality guidelines 4 preparation of the guidelines 7 combined exposures 9 use of the indoor air quality guidelines in protecting public health 11 references 1. Ventilation, good indoor air quality and rational use of energy, eur 20741en, 2003. Researching and measuring the indoor air quality in. There are numerous sources of indoor air pollution, including combustion of domestic fuels such as coal, wood.
322 26 1466 231 1406 1022 559 382 85 470 829 786 1032 995 1320 78 961 165 1069 1078 1163 1347 422 827 625 612 287 911 698 1464 1016 1196 1382 28 1396 1212 374 589