In the air quality directive (2008/EC/50), the EU has set a limit value for carbon monoxide (CO) for the protection of human health: the CO maximum daily 8-hour mean values may not exceed 10 milligrams per cubic metre (mg/m3).
EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
Is junk and marketing mail being delivered to your home?
Removing your name from the mailing list can be as easy as sending a letter, postcard, email or ticking a box on a form. This can save many trees and a lot of water each year. You can also add a sign on your mailbox: ‘No advertisements please’.
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