This two volume set covers the proceedings of the VIIth International Pneumoconioses Conference held in Pittsburgh, Pennsylvania on August 23 thru 26, 1988. The conference was organized by the International Labor Office (ILO), NIOSH, MSHA, OSHA, and the United States Bureau of Mines. Topics include: exposure monitoring and control in coal mines; epidemiology of pneumoconiosis, asbestos (1332214) related disease, and silica related disease; animal models of pneumoconiosis; lung fiber burden in asbestos pleural pathology; radiology; toxicity/surface characterization of respirable particles; health effects of metal exposures; characteristics of coal mine dust; hazard evaluations and clinical studies; bronchoalveolar lavage and treatment; medical methods; general occupational lung disease; instrumentation for dust measurement; pathology standards for microorganisms and occupational dust; surveillance and health screening; disability outcomes of occupational lung diseases; sampling and control of mineral dust; respirators and dust controls; exposure assessment and control of asbestos and other fibrous material; and strategies for mine dust measurement. A special presentation on the topic of pathology classification and grading schemata for silicosis was included in Volume II. Four sessions of poster papers were also presented.