SIDNEY DRAGGAN is a Policy Analyst in the Division of Policy Research and Analysis, National Science Foundation. rssen /f John /i J. /r ed. rison /f Richard /r ed.

• Preface Acknowledgment Statement of the Chairman of the Council on Environmental Quality Report of the Chairmen Panel Topic and Panelists Summary Report of the Expert Panel Meeting on Monitoring, Assessment, and Environmental Management List of Contributors Part I: Surface Water and Groundwater Processes and Pollution Improving the Knowledge Base on Surface Water and Groundwater by Dr. Wayne A. Pettyjohn Protection of Surface Water and Groundwater Resources by Dr. Nathan Buras Part II: Land/Soil Processes and Pollution Identifying Knowledge Gaps on Land/Soil Processes: Hazardous Substances and the Land/Soil Resource by Dr. Louis J. Thibodeaus Advancing Knowledge on Protection of the Land/Soil Resource: Assimilative Capacity for Pollutants by Dr. Raymond C. Loehr Part III: Atmospheric/Oceanic Processes and Pollution Priority Needs for Improving the Knowledge Base on Atmospheric Processes by Dr. Stephen Wofsy Advancing Knowledge of Pollutant Effects on Coastal Ecosystems by Dr. John Teal Part IV: Multimedia Toxic Substances/Hazardous Waste Research Scientific, Legislative, and Administrative Constraints to Multimedia Control of Toxic Substances and Hazardous Wastes by Leslie Sue Ritts, Esq. Modeling of Pollutant Transport in a Multimedia Environment by Dr. Yoram Cohen Notes Index About the Editors

SIDNEY DRAGGAN is a Policy Analyst in the Division of Policy Research and Analysis, National Science Foundation. rssen /f John /i J. /r ed. rison /f Richard /r ed.

• Preface Acknowledgment Statement of the Chairman of the Council on Environmental Quality Report of the Chairmen Panel Topic and Panelists Summary Report of the Expert Panel Meeting on Monitoring, Assessment, and Environmental Management List of Contributors Part I: Surface Water and Groundwater Processes and Pollution Improving the Knowledge Base on Surface Water and Groundwater by Dr. Wayne A. Pettyjohn Protection of Surface Water and Groundwater Resources by Dr. Nathan Buras Part II: Land/Soil Processes and Pollution Identifying Knowledge Gaps on Land/Soil Processes: Hazardous Substances and the Land/Soil Resource by Dr. Louis J. Thibodeaus Advancing Knowledge on Protection of the Land/Soil Resource: Assimilative Capacity for Pollutants by Dr. Raymond C. Loehr Part III: Atmospheric/Oceanic Processes and Pollution Priority Needs for Improving the Knowledge Base on Atmospheric Processes by Dr. Stephen Wofsy Advancing Knowledge of Pollutant Effects on Coastal Ecosystems by Dr. John Teal Part IV: Multimedia Toxic Substances/Hazardous Waste Research Scientific, Legislative, and Administrative Constraints to Multimedia Control of Toxic Substances and Hazardous Wastes by Leslie Sue Ritts, Esq. Modeling of Pollutant Transport in a Multimedia Environment by Dr. Yoram Cohen Notes Index About the Editors

SIDNEY DRAGGAN is a Policy Analyst in the Division of Policy Research and Analysis, National Science Foundation. rssen /f John /i J. /r ed. rison /f Richard /r ed.

• Preface Acknowledgment Statement of the Chairman of the Council on Environmental Quality Report of the Chairmen Panel Topic and Panelists Summary Report of the Expert Panel Meeting on Monitoring, Assessment, and Environmental Management List of Contributors Part I: Surface Water and Groundwater Processes and Pollution Improving the Knowledge Base on Surface Water and Groundwater by Dr. Wayne A. Pettyjohn Protection of Surface Water and Groundwater Resources by Dr. Nathan Buras Part II: Land/Soil Processes and Pollution Identifying Knowledge Gaps on Land/Soil Processes: Hazardous Substances and the Land/Soil Resource by Dr. Louis J. Thibodeaus Advancing Knowledge on Protection of the Land/Soil Resource: Assimilative Capacity for Pollutants by Dr. Raymond C. Loehr Part III: Atmospheric/Oceanic Processes and Pollution Priority Needs for Improving the Knowledge Base on Atmospheric Processes by Dr. Stephen Wofsy Advancing Knowledge of Pollutant Effects on Coastal Ecosystems by Dr. John Teal Part IV: Multimedia Toxic Substances/Hazardous Waste Research Scientific, Legislative, and Administrative Constraints to Multimedia Control of Toxic Substances and Hazardous Wastes by Leslie Sue Ritts, Esq. Modeling of Pollutant Transport in a Multimedia Environment by Dr. Yoram Cohen Notes Index About the Editors