\begin{table}%t2
%\centering
\par
\caption{Ratio of our derived $^{16}$OH column densities with those of CH from \citet{polehampton_ch} for each of the velocity components from Table~\ref{tab_col}.
\label{tab_ratios}}
\begin{tabular}{cc}
\hline 
\hline 
Velocity          & [$^{16}$OH/CH] \\
(km~s$^{-1}$)     &                \\
\hline  
$-108$            & $6.2\pm6.5$    \\
$-82$             & $35\pm21$      \\
$-52$/$-44.0$     & $19\pm15$      \\
$-24.4$           & $28\pm11$      \\
$+1.1$            & $38\pm18$      \\
$+15.7$           & $12\pm8$       \\
$+31$             & $36\pm35$      \\
$+52.8$/$+66.7$   & $34\pm7$       \\
\hline 
\end{tabular}
\end{table}