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Nitrogen and Phosphorus in Wastewater Effluents. (A Preliminary Analysis of National Eutrophication Survey Data Collected During the 1972-73Sampling Period.)

机译:废水中氮和磷的含量。 (1972 - 73年采样期间收集的国家富营养化调查数据初步分析。)

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Monthly effluent samples collected for a period of one year were analyzed for nitrogen and phosphorus content. Over 500municipal sewage treatment plants in the eastern United States were involved in the program. Although there was wide variation between plants,median total phosphorus and total nitrogen concentrations were 5.89mg/l and 15.00mg/l respectively. The median annual per capita load discharged was 2.2lbs phosphorus/capita/year and 6.0lbs nitrogen/capita/year.

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