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UPSC 2013 CDS 1 GK Paper

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Question : 16

Total: 120

Which among the following has been included as a parameter for the first time under the National Ambient Air Quality Standards (NAAQS) based on Central Pollution Control Board and IIT, Kanpur research, WHO guidelines and European Union limits and practices?

Sulphur dioxide
Oxides of nitrogen
Ozone
Carbon monoxide

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