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The 6th meeting of CEN/TC 264/WG 2 took place online from the 6th to the 8th of April. This meeting was organized after the cancellation of the meeting in Delft, The Netherlands due to Covid-19 impact. There were three days altogether from 9:00 to 13:00 dealing with the comments sent by the experts of the member states to the group. Now the draft is one step closer to be ready.
Many decisions were taken during this meeting. Many comments were just accepted, others were accepted but with modifications and a few of the comments were rejected. An important part of the meeting dealt with the calculation of uncertainty, but there were also other important issues. Let's try so summarize a bit 3 days of meetings.
In 2017 complaints of offensive odors were presented in the domestic wastewater treatment plant in a Colombian municipality. 
The technical recommendations in the design of stacks indicate that the emission at higher height, or a greater exhaust speed gases, decreases the impact in the surroundings. In fact, it is usual increases stack height in problematic sources.