The views expressed in documents by named authors are solely the responsibility of those authors. The illustrations of the cover page are from the WHO photo library. III Preface T his book is part of a World Health Organization (WHO) series on teaching material and provides an introduction to the basic principles and methods of human exposure assessment. It constitutes a complement to Basic Epi...

With reference to mold investigations, the three primary tasks of the Indoor Environmental Professional (IEP) may be described as encompassing an exposure assessment, a risk assessment, and risk management. The focus of the inspection may be on determining if the structure is contaminated [exposure assessment], if the occupants are potentially at risk of adverse health effects [risk assessment]...

Of the four modes of treating human allergic disease, avoidance or separation of the allergic patient from the allergen source is most effective and least expensive. The clinical immunology laboratory has established efficient and inexpensive "reservoir" dust sampling and processing procedures to obtain a surface dust specimen that reflects the allergen burden of the environment. Following extr...

* A part of this article was translated to English and then restructured from the content of the paper entitled “Usefulness of mercury concentrations in umbilical cord as biomarkers of fetal exposure to methylmercury” by Murata, K., Dakeishi, M., Shimada, M. & Satoh, H. (Nippon Eiseigaku Zasshi, 62, 949-959, 2007), originally written in Japanese. Received August 27, 2007; revision accepted for ...

Background: Many public health agencies rank residential radon exposure as the second leading cause of lung cancer after cigarette smoking. It has been shown that the risk coefficient for lung cancer is higher for children than that for adults. Therefore, indoor radon measurements were carried out in the elementary schools of Tulkarem province, West Bank, Palestine. Materials and Methods: Two h...