966 resultados para water sources, concrete, manufacturing


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"Principal sources": p. 25-26.

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Issued Sept. 1978.

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"Contract no. 68-03-2450."

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Cover title.

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Maps in pocket comprise appendix C, Geologic characteristics of fine aggregate sources, and appendix D, Fine aggregate source locations.

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101 selected references to books and journal articles. Also includes some foreign-language titles. Alphabetical arrangement by primary authors. Each entry gives bibliographical information and annotation. Author, subject indexes.

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Included are 120 references to publications on the use of nuclear energy in the production of potable water from saline or brackish waters. The uses of nuclear reactors, radioisotopic heat sources, and nuclear explosives are covered in relation to the various possible desalination methods available. Author and report number--availability indexes are included.

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The establishment of a Total Maximum Daily Load sets the pollutant reduction goal necessary to improve impaired waters. It determines the load, or quantity of any given pollutant that can be allowed in a particular water body. A TDML must consider all potential sources of pollutants whether point or nonpoint. It also takes into account a margin of safety, which reflects scientific uncertainty, as well as the effects of seasonal variation.

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Cover and spine title: Water quality management plan.

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Printed in Great Britain.

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Issued Nov. 1977.