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[FAQ] 16 [Keywords] Modelling Industrial chimney D1 clean air act Stack Height CHM [Published Date (sort)] 01/03/2010 [Sort by Title] 
How do I calculate an appropriate chimney height to ensure emissions of NO2 from small gas boilers controlled by the Clean Air Act do not lead to an exceedence of the Air Quality Strategy's objective for nitrogen dioxide (NO2) prescribed in the Air Quality Regulations 2000, SI No 928?
LAQM FAQs - Local Air Quality Management Support - Defra, UK
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