;Partial contents: The incidence of elevated blood lead values in an asymptomatic pediatric population residing in a major American industrial state; Method for the identification of environmental noise levels requisite to protect public health and welfare; Improved methods of sampling and analysis of airborne hazardous particulate pollutants; Analytical studies on the speciation of ambient levels of mercury in air; Mercury pathways to man and 'in vivo' content of the population of the Mt. Amiata area; Measures of association of some air pollutants, natural ionizing radiation and cigarette smoking with mortality rates; The use of Canadian medical data in defining health effects of the environment on man; Illness due to environmental pollutants in a physician's practice; Behavior of rats and the threshold limit value of trichloroethylene; Exposure of laboratory animals to urban air pollution--physical plant, experimental difficulties, observed effects; Aspects of pollution in three urban centre situations in Great Britain; The use of radioisotopes 32 P and 35 S in studies on behaviour of pesticides in the soil; Evaluation of a rapid index of environmental pollution by tobacco smoke and study of the composition of the main-stream and side-stream cigarette smoke; The contribution of organic lead compounds to total lead levels in urban atmospheres.