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Polychlorinated Biphenyls and Terphenyls (Second Edition) - Environmental Health Criteria 140
(1993)
Polychlorinated biphenyls (PCBs) were discovered before the turn of the century and their usefulness for industry, because of their physical properties, was recognized early. The PCBs have been used commercially, since ...
Conservation Review of Tropical Rain Forests, General Considerations and Asia
(1975)
The principal objectives of this review, are: To prepare a description of the range of variation of tropical rain forest with maps showing the distribution of the various types; to relate this description to the distribution ...
Nitrogen Oxides (Second Edition) - Environmental Health Criteria 188
(1997)
Nitrogen oxides can be present at significant concentrations in ambient air and in indoor air. The types and concentrations of nitrogenous compounds present can vary greatly from location to location, with time of day, and ...
Programme on Man and the Biosphere (MAB): Regional Meeting on Integrated Ecological Research and Training Needs in the Sahelian Region - Final Report. MAB report series No. 18
(1974)
The general objective of research and training activities of MAB Project 3 in the Sahelian zone is to help the governments of this region organize a long-term drought relief programme by improving methods and types of ...
Polybrominated Dibenzo-p-Dioxins and Dibenzofurans - Environmental Health Criteria 205
(1998)
Polybrominated dibenzo-p-dioxins (PBDDs) and polybrominated dibenzofurans (PBDFs) are almost planar tricyclic aromatic compounds.
Theoretically, 75 PBDDs and 135 PBDFs are possible. In addition, a large number of mixed ...
Principles and Methods for Assessing Allergic Hypersensitization Associated with Exposure to Chemicals - Environmental Health Criteria 212
(1999)
The role of the immune system may be succinctly stated as the "preservation of integrity". This system is responsible for identifying
what is "self" and what is "non-self". The great complexity of the mammalian system is ...
Carbon Monoxide - Environmental Health Criteria 13
(1979)
Carbon and oxygen combine to form either carbon monoxide (CO) (incomplete combustion) or carbon dioxide (CO,) (complete
combustion). Whereas carbon dioxide is inert, carbon monoxide is a potent poison owing to its ability ...
Noise: Executive Summary- Environmental Health Criteria 12
(1980)
Noise is considered to be any unwanted sound that may adversely affect the health and wellbeing of individuals or populations. Physically, sound is a mechanical disturbance propagated as a longitudinal wave motion in air ...