Problem $6(6$ points$)$:

Wastewater is being discharged at $4,300\frac{m^3}{d}$ into a $45,000\frac{m^3}{d}$ stream. The deoxygenation and reoxygenation rate constants of the mixed stream at $20C$ are as follows: $K_d=0\mathrm{.}225d$ and $K_r=0\mathrm{.}389d.$ The characteristics of the stream and the wastewater are given in the following table.

$\backslash$table$[[$Parameter$,$Wastewater,Stream$],[$Ultimate BOD $(m\frac{g}{L}),220,13],[$DO $(m\frac{g}{L}),1\mathrm{.}0,5\mathrm{.}4],[$Temperature $($C$),20,20]]$

If the standard DO concentration in the stream is $3\mathrm{.}1m\frac{g}{L}$ and the saturation DO concentration at $20C$ is $8\mathrm{.}7m\frac{g}{L},$ is there any point downstream that will not meet this standard?