Meetings of the NAWQA National Liaison Committee held in 2002 - 2006 NLC Meeting Summary September 2006 National Liaison Committee Meeting Summary - September 24, 2004 NLC Meetings Summary September 2003 November 21, 2003 - Focus on Atmospheric Deposition Nitrogen Sulphates March 14, 2003 - Focus on Nutrient Enrichment EPA's Criteria for Mercury NAWQA's Topical Study on Mercury NLC Meeting Summaries September 2002 November 14, 2002 - Focus on Mercury Mercury deposition and methylation Health effects of Mercury NAWQA Topical Study of Mercury Participants identified need for additional information on mercury: Capabilities and costs of mercury emission control technology Specifics of legislative and regulatory options March 15, 2002 - Focus on Wastewater Contaminants Detections: most chemicals in common use were detected Health and environmental effects Significance of low level contamination findings Home