International Air Quality Advisory Board

SPECIAL REPORT ON
TRANSBOUNDARY AIR QUALITY ISSUES

November 1998


TABLE OF CONTENTS


  EXECUTIVE SUMMARY
  CONSOLIDATED RECOMMENDATIONS
  INTRODUCTION
  1. SEAMLESS BORDER
  1.1 One Atmosphere
  1.2 Regional Airshed Management
  1.3 Single Issue Management Regimes
  1.3.1 Management of Ground-Level Ozone
  1.3.2 Management of Acidifying Emissions
  1.4 Multi-pollutant, Multi-effect Management Regimes
  1.4.1 U.S. Joint Implementation Program for Ozone, Particulates, and Regional Haze
  1.4.2 Canadian Regional Smog Management Plans
  1.5 Pollutants
  1.5.1 Sulfur dioxide
  1.5.2 Nitrogen oxides
  1.5.3 Acid Rain
  1.5.4 Tropospheric Ozone
  1.5.5 Particulate Pollution and Haze
  1.6 Receptors
  2. NITROGEN OXIDES - THE PIVOTAL POLLUTANT?
  2.1 Health Effects
  2.2 The Importance of Monitoring
  2.3 Emission and Deposition Trends
  2.4 Anticipated Future NOX Reductions
  2.5 Technology: Emission Controls and Energy Conservation
  3. CONTINENTAL ISSUES: PERSISTENT TOXIC SUBSTANCES
  3.1 Quantification, Effects, Challenges and the Grasshopper Phenomenon
  3.2 PCBs and PICs
  3.3 Pesticides
  3.4 Metals
  4. MONITORING/MODELING
  5. REGIONAL ISSUES
  5.1 Artifact Regions
  5.2 Arctic/Far North
  5.3 Pacific
  5.4 Mountain/Prairie
  5.5 Great Lakes/Ontario
  5.6 Eastern
  6. HARMONIZATION AND STANDARD SETTING PROCESSES
  6.1 Need for Collaboration on Criteria Documents
  7. COLLABORATION WITH OTHER ORGANIZATIONS
  7.1 Commission for Environmental Cooperation
  7.2 United Nations Economic Commission for Europe
  8. SURVEILLANCE ISSUES
  8.1 Eastern PM2.5 Quantification
  8.2 Focus on Endpoints (Biota/Human Impacts)
  8.3 Emissions Trading and Environmental Integrity
  9. EMERGING AND ANTICIPATORY ISSUES
  9.1 Coal-Fired Power Plants
  9.2 Mobile Sources
  9.2.1 Energy Conservation
  9.2.2 Sulfur in Gasoline
  9.2.3 Diesel Particulates, PM2.5 Precursors and Co-Pollutants
  9.34 Reduction Strategies for Persistent Toxic Substances: Life Cycle Management and Pollution Prevention
  10. THE WAY AHEAD: FUTURE BOARD ACTIVITY
  Acronyms
  Membership