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Nutrient Criteria
EPA National Nutrient Criteria Development
EPA National Nutrient Guidance Documents
EPA finalized 9 water quality criteria documents for lakes and reservoirs, and rivers and streams
(68 FR 557, 6 Jan 2003)
EPA made available nine additional ecoregional nutrient criteria documents for lakes and reservoirs, and rivers and streams
(67 FR 9269, 28 Feb 2002)
Notice of National Strategy for the Development of Regional Nutrient Criteria, 63 FR 34648
25 Jun 1998
