Development of suspended solids quality control and performance evaluation samples, Volume 1

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U.S. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, 1976 - Business & Economics - 40 pages

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Page ii - Laboratory, US Environmental Protection Agency, and approved for publication. Mention of trade names or commercial products does not constitute endorsement or recommendation for use. FOREWORD Environmental measurements are required to determine the quality of ambient waters and the character of waste effluents.
Page iii - Develop and evaluate techniques to measure the presence and concentration of physical, chemical, and radiological pollutants in water, wastewater, bottom sediments, and solid waste.
Page 36 - Corps in the summer of 1990 on "technical changes" to the "Manual". Attached is a copy of our technical comments on the "Manual prepared by the National Council of the Paper Industry for Air and Stream Improvement, Inc. (NCASI), the research and technical arm of the forest products and pulp and paper industry.
Page iii - Investigate methods for the concentration, recovery, and identification of viruses, bacteria, and other microbiological organisms in water. Conduct studies to determine the responses of aquatic organisms to water quality.
Page 37 - While vacuum is applied, wash the disc with three successive 20 ml volumes of distilled water. Remove all traces of water by continuing to apply vacuum after water has passed through. Discard washings.
Page ix - Environmental Monitoring and Support Laboratory, Office of Research and Development, Cincinnati, Ohio, EPA-600-4-79-020.
Page 27 - January 1971. The analytical procedures used for determining gross alpha and beta radioactivity are described in the 13th Edition of "Standard Methods for the Examination of Water and Wastewater

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