T A B L E  O F   C O N T E N T S     List of Tables and Figures
	EXECUTIVE SUMMARY
1.	INTRODUCTION
2.	HUMAN HEALTH
2.1	Exposure Pathways
2.2	Human Health Effects Benchmarks for Methylmercury
	2.2.1 Methylmercury Effects Thresholds 2.2.2 Exposure and Risk Assessment 2.2.3 Exposure to Women of Child-Bearing Age 2.2.4 Exposure Studies in the Amazon
2.3	Summary
3.	ECOSYSTEM SCIENCE
3.1	The Global Atmospheric Mercury Cycle/Anthropogenic vs Natural Emissions
	3.1.1 Atmospheric Mercury Emissions in Mexico, Canada and the United States 3.1.2 Mercury Deposition 3.1.3 Measuring Continental Air Pollutants: International Mercury Monitoring Networks 3.1.4 Northeast States & Eastern Canadian Provinces Mercury Study
3.2	Ecosystem Pathways and Ecological Fate of Mercury
	3.2.1 Mercury Methylation in the Aquatic Environment 3.2.2 Bioaccumulation of Methylmercury in Wildlife 3.2.3 Risks to Wildlife Reproduction
4.	PRODUCT PATHWAYS FOR MERCURY
4.1	Imports and Exports of Mercury Products
4.2	Products Containing Mercury
	4.2.1 Fluorescent Lighting 4.2.2 Thermostats 4.2.3 Thermometers 4.2.4 Batteries
4.3	Mining
	4.3.1 Gold and Silver Mining 4.3.2 Mercury Mining in Mexico
5.	POLICY AND SCIENCE INTERFACE
5.1	Uncertainties and the Weight of Scientific Evidence
	5.1.1 Data Reliability 5.1.2 Anthropogenic and Natural Influences 5.1.3 Mercury Methylation 5.1.4 Effects from Low Level Chronic Exposure
6.	RECOMMENDATIONS
6.1	Human Health
6.2	Ecosystem Science
7.	ACKNOWLEDGEMENTS
8.	REFERENCES