Executive Summary
1 Introduction
2 Methods of Sampling and Analysis
3 Results
    3.1 Air concs.
    3.2 Elemental comp. of the TSP
    3.3 Long-term changes in concs. - air
    3.4 Concs. in rainwater
    3.5 Deposition of elements, nitrate and sulphate
    3.6 Washout factors
4 Conclusions
5 Recommendations
6 References
Appendix 1
Appendix 2