Nutrients in the Nation's Waters

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Nutrients in water are necessary for productive aquatic ecosystems, but in high concentrations, nutrients such as nitrates, ammonia, and phosphates can adversel

Clean Coastal Waters

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Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutr

Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate

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Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate The Dietary Reference Intakes (DRIs) are quantitative estimates of nutrient intake

Nutrients in Ground Water and Surface Water of the United States

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Nutrient Criteria Technical Guidance Manual

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