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| Human HealthMethylmercury Criteria Document
The United States Environmental Protection Agency (EPA) has published         new criteria to protect human health from methylmercury. Methylmercury         is the form of mercury that is taken up by plant and aquatic life and         accumulates in the fish. EPA is issuing water quality criteria for methylmercury         to be used by states in determining methylmercury levels in fish tissue.         This aquatic life water quality criteria replaces the criteria for total         mercury published in 1980 and partially updated in 1997. 

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Introduction         (PDF, 527K) 
-  Acknowledgments  
-  External Peer Reviewers  
-  Contents  
-  Executive Summary 

Chapters         1 - 3 (PDF, 288K) 
-  Introduction  
-  Toxicokinetics  
-  Toxicological Basis for Criteria 

Chapters         4 - 5 (PDF, 604K) 
-  Risk Assessment for Methylmercury  
-  Exposure Assessment 

Chapters         6 - 8 (PDF, 205K) 
-  Mercury Bioaccumulation  
-  Water Quality Criterion Calculation  
-  References 

Appendix         A (PDF, 289K) 
-  Section I: Draft National Methylmuercury Bioaccumulation Factors  
-  Section II: Chemical Translators for Mercury & Methylmercury 

 

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