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Saturday 5 January 2013

LIMITS OF POLUTENT THERMAL POWER PROJECT

CPCB ( Central Pollution Board Control) a Govt body specify following limits for industrial area. They have also specified of other residential areas and sensitive area also .However other areas are not our point of discussion except industrial area.

AMBIENT AIR QUALITY.




Pollutant







Time weighted average







Indl. Area

(g/m3)






Res. Rural Other areas

(g/m3)






Sensitive Area

(g/m3)







Sulphur Dioxide

(SO2)






* Annual

average

** 24 hours






80



120






60



80






15



30







Oxides of Nitrogen







* Annual Average

** 24 hour






80



120






60



80






15



30







Suspended Particulate Matter (SPM)







* Annual Average

** 24 hour






360



500






140



200






70



100












Resperiable Particulate.




Annual Average



** 24 hours







120



150






60



100






50



75






Lead (Pb)




Annual Average



** 24 hours







1.0



1.5






0.75



1.0






0.50



0.75












Carbon monooxide (CO)




** 8 hour
1 hour




5000.0
10000.0




2000.0
4000.0




1.0
2.0









Type of measurement has also been specified but that is beyond our discussion.



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