Characteristics and comparative magnitude of non-point sources

作者：Raymond C. Loehr · 年份：2017 · 被引用次数：77 · 研究领域：Water resources management and optimization、Water Quality Monitoring Technologies、Child Nutrition and Water Access

Historically, water pollution abate ment policies have focused o con trol of municipal and industrial sources. Interest in other potential pollution sources has increased as the nation has expanded its water pollution concerns to the prob lems of nutrients, persistent chemicals, and hazardous and toxic materials. Additional awareness has developed as we have real ized that our water, air, and land resources should be viewed together rather than as isolated components. The emphasis of na tional water pollution control policy is now on the amount of wastes that can be