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).
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Where you can, choose organically farmed fish such as sea bass, salmon and trout.
Non-organic fish uses large quantities of chemicals and antibiotics which can affect other animals in the food chain. It is also worth bearing in mind that to produce a 3 kg farmed salmon, 15 kg of fish are caught in the wild to provide its meal and oil.
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