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Updated: Aug 4, 2026

Implementation of Portable Emissions Measurement Systems (PEMS) for the Real-driving Emissions (RDE) Regulation in Europe
Published on: December 4, 2016
The effect of reducing petrol lead on airborne lead in Wales, U.K
Abstract:
Airborne lead has been measured at four urban, one semi-urban and one rural site in Wales during 1984, 1985 and 1986 to assess the effect of the reduction in lead additives in petrol which was required by an EC Directive at the beginning of 1986. The results showed a 52-61% fall in air lead in accord with the 63% reduction in petrol lead.
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