Question $1$ of $10$

A correction factor may be needed when using a plume model $($or other model with an inherently long averaging time$)$ if the hazard time scale, th$,$ is:

$($Select the best answer and then click 'Submit.$\text{'})$

$>$ tplume

$=t_{\text{p}\text{u}\text{f}\text{f}}$

$\frac{1}{2}$ tplume