Commission backtracks on air quality law for metals, PAHs

Plans for binding air quality standards for four heavy metals and polycyclic aromatic hydrocarbons (PAHs) have been scrapped by the European Commission in the face of protests from industry and cost-benefit analyses. Instead, it has proposed that ambient levels of the four metals should be assessed by Member States, while a limit for the main PAH in air will need to be pursued only if "excessive costs" are not involved.

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