Hydrocarbons
The figures below show the average aromatics, average olefins and average benzene of gasoline samples in the SGS WWFS summer 2019.
All the samples had aromatics and olefins contents below the regulatory maxima.
All the samples had a benzene content below the regulatory maxima, except in Mauritania where all four samples had more than 5 %v/v benzene.
Average aromatics of gasoline samples in selected countries, summer 2019
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Source: SGS Worldwide Fuel Survey, summer 2019
Average olefins of gasoline samples in selected countries, summer 2019
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Source: SGS Worldwide Fuel Survey, summer 2019
Average benzene of gasoline samples in selected countries, summer 2019
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Source: SGS Worldwide Fuel Survey, summer 2019