997 resultados para excess phosphorus


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"Grant No. 802647."

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"Presented at the 44th Annual Conference of the Water Pollution Control Federation, San Francisco, California (October, 1971)"--P. 1.

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"EPA-905/9-91-006B"--Vol. 2.

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The purpose of the report is to evaluate baseline loadings of nutrients and sediment to the Mississippi River and the Ohio River from the state of Illinois and to identify the sources of those loads; also evaluated are baseline loadings of nutrients and sediments to the Illinois River from its tributaries.

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"August, 1986."