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Dioxins, organics, polycyclic aromatic hydrocarbons and heavy metals

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Summary

1. Introduction

• 1.1 Background
• 1.2 Measurement sites
• 1.3 Seasonal variations in pollution
• 1.4 International benchmarks
• 1.5 Health impacts
• 1.6 Structure of the report

2. Dioxins

• 2.1 Introduction
• 2.2 Project design for dioxin measurements
• 2.3 Results
• 2.4 Comparison with international benchmarks
• 2.5 Conclusions
• 2.6 Management strategies
  • EPA measures
  • Other industrial changes
  • Motor vehicle controls
  • Domestic sources
  • National and international initiatives

3. Organics

• 3.1 Introduction
• 3.2 Project design for organics measurements
• 3.3 Results
• 3.4 Comparison with international benchmarks
• 3.5 Conclusions
• 3.6 Management strategies
  • Motor vehicles
  • Industrial and commercial sources
  • Solid fuel heaters
  • Stratospheric ozone-depleting substances

4. Polycyclic aromatic hydrocarbons

• 4.1 Introduction
• 4.2 Seasonal concentrations of pollution
• 4.3 Project design for PAHs
• 4.4 Results
• 4.5 Comparison with international benchmarks
• 4.6 Conclusions
• 4.7 Management strategies
  • Domestic sources
  • Mobile sources
  • Industry
  • Flexible controls on open burning

5. Metals

• 5.1 Introduction
• 5.2 Project design for metals
• 5.3 Results
• 5.4 Comparison with international benchmarks
• 5.5 Conclusion
• 5.6 Management strategies