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Handbook for the 1979 Convention on Long-range Transboundary Air Pollution and its Protocols
… and approved measuring/monitoring systems. To this end a certification system would provide the best assurance. 40. In … volatility of in-use petrol is much higher than that of certification- test petrol. It is also due to an inadequate … using measuring and monitoring systems. To this end, a certification system can provide the best assurance. 21. In …