Research Reporting Series: Environmental protection technology, Volume 2

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Office of Research and Development, U.S. Environmental Protection Agency, 1981 - Environmental engineering
 

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Page ii - This report has been reviewed by the Environmental Protection Agency and approved for publication. Approval does not signify that the contents necessarily reflect the views and policies of the Environmental Protection Agency nor does mention of trade names or commercial products constitute endorsement or recommendation for use...
Page 15 - ... experiments. It is recognized that the procedures selected are but a fraction of methods available and that complete agreement on specific methods selected may not be possible. The examples included are intended to provide a method for planning corrosion experiments, analyzing data obtained, and establishing the degree of confidence that can be placed in the results of specific experimental or field applications data. Alternative methods or improved approaches are constantly being developed that...
Page iii - The purposes of this title are (1) to protect and enhance the quality of the Nation's air resources so as to promote the public health and welfare and the productive capacity of its population...
Page 12 - US DEPARTMENT OF THE INTERIOR, FISH AND WILDLIFE SERVICE, BUREAU OF SPORT FISHERIES AND WILDLIFE, Washington, DC, March 2, 1964.
Page iii - ... the health basis for non-ionizing radiation standards. Direct support to the regulatory function of the Agency is provided in the form of expert testimony and preparation of affidavits as well as expert advice to the Administrator to assure the adequacy of health care and surveillance of persons having suffered imminent and substantial endangerment of their health.
Page 453 - PMR proportionate mortality ratio ppb parts per billion ppm parts per million ppt parts per trillion...
Page 60 - Youden, WJ, and Steiner, EH, Statistical Manual of the Association of Official Analytical Chemists, Association of Official Analytical Chemists, PO Box 540, Benjamin Franklin Station, Washington, DC 20044, 1975, pp.
Page iii - Park, conducts a coordinated environmental health research program in toxicology, epidemiology, and clinical studies using human volunteer subjects. These studies address problems in air pollution, non-ionizing radiation, environmental carcinogenesis and the toxicology of pesticides as well as other chemical pollutants. The Laboratory participates in the development and revision of air quality criteria documents on pollutants for which national ambient air quality standards exist or are proposed,...
Page 81 - Bevenue et al. (14) reported on the contribution of contaminants by organic solvents, glassware, plastic ware, cellulose extraction thimbles, filter paper, and silica gels to water samples causing interference with subsequent GC analysis in the ppb range. Prior to their use, heat treatment of glassware and the silica gels was recommended to eliminate contaminants, while plastic ware and filter paper were excluded from the procedure.
Page 53 - Accuracy is the nearness of a result or the mean of a set of results to the true value. Accuracy is usually expressed in terms of error, bias, or percentage recovery.

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