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​​​​​​For assessing the compliance with the emissions standards of incineration plants, a correction needs to be applied to the measured concentrations of air pollutants. The emission standard (based on $11 \%$ Oxygen) for $\mathrm{HCl}$ is $50 \mathrm{mg} / \mathrm{Nm}^{3}$ and the measured concentrations of $\mathrm{HCl}$ and Oxygen in flue gas are $42 \mathrm{mg} / \mathrm{Nm}^{3}$ and $13 \%$, respectively.


Assuming $21 \%$ Oxygen in air, the CORRECT statement is:

  1. No compliance, as the corrected $\mathrm{HCl}$ emission is greater than the emission standard.
  2. Compliance is there, as the corrected $\mathrm{HCl}$ emission is lesser than the emission standard.
  3. Compliance is there, as there is no need to apply the correction since Oxygen is greater than $11 \%$ and $\mathrm{HCl}$ emission is lesser than the emission standard.
  4. No compliance, as the Oxygen is greater than $11 \%$ in the flue gas.
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