This book provides us an insight how pollutants emitted from the brick kiln is hazardous to the workers and the surrounding populations. This book serves as a very appropriate aid in their quest for knowledgeable approach to the field of occupational respiratory diseases. This book is designed primarily for use as a basic text for researcher in field of occupational health problem. I owe my expression of deepest gratitude to the almighty to whom I cannot thank enough for guiding me and protecting me throughout the process, thus making this study one enriching experience to be cherished always. I offer my sincere gratitude for all the support. I am grateful to the authors of numerous publications, whose knowledge has been utilised in the preparation of the book. In the endeavor of writing this book, I have called on numerous people for advice, help and support. Their generosity was instrumental in the development of this piece of my work.