\begin{table}%t2 \caption{\label{table:lines}Results from HARP-B (HCO$^+$~4$-$3 and C$^{18}$O~3$-$2), APEX-2a (HCO$^{+}$~4$-$3) and RxB (C$^{18}$O~3$-$2) observations at the source position.} \par \small%\centerline { \begin{tabular}{l c c c c l} \hline \hline &&&&& \\[-8pt] Source & HCO$^+$ 4-3$^a$ & &C$^{18}$O 3--2& & Notes\\ &$\int$ $T_{{\rm MB}}$ d$V$& $T_{{\rm MB}}$ &$\int$ $T_{{\rm MB}}$ d$V$ & $T_{\rm{MB}}$ & \\ & [K km s$^{-1}$] & [K] & [K km s$^{-1}$] & [K] \\ \hline C2D-162527.6 &-- & $<$0.09 & -- & -- & See Fig. \ref{Fig:harp4} \\ GSS 26 & -- & -- & -- & -- & See Fig. \ref{Fig:scuba1}\\ CRBR 2315.8-1700 & 6.3 & 5.2* & -- & -- & See Fig. \ref{Fig:harp4}\\ CRBR 2317.3-1925 & 1.5$^b$ & 2.0$^b$ & -- & -- & See Fig. \ref{Fig:scuba1}\\ VSSG 1 & -- & $<$0.4 & -- & -- & See Fig. \ref{Fig:scuba1}\\ GSS 30 & 16.7& 9.1 & 10.7$^c$ &6.3$^c$& See Figs. \ref{Fig:harp1} and \ref{Fig:sharc1}\\ LFAM 1 & 18.4& 10.8 & -- & -- & See Figs. \ref{Fig:harp1} and \ref{Fig:sharc1}, GSS 30 maps\\ CRBR 2324.1-1619 & -- & -- & 14.5 & 12.2 & See Figs. \ref{Fig:harp1} and \ref{Fig:sharc1}, VLA1623 maps \\ VLA 1623 & 16.2 & 9.0 & 10.4 &17.9$^d$ & See Figs. \ref{Fig:harp1} and \ref{Fig:sharc1}\\ GY51 & -- & -- & -- & -- & See Fig. \ref{Fig:scuba1}\\ CRBR 2339.1-2032 & 0.55& 0.45* & -- & -- & See Fig. \ref{Fig:harp4}\\ WL 12 & 0.87& 1.4 & 4.8 & 3.9 & See Figs. \ref{Fig:harp2} and \ref{Fig:sharc1}\\ WL 2 & 0.3 & 0.18* & -- & -- & See Fig. \ref{Fig:harp4}\\ LFAM 26 & 1.95& 1.8 & 6.4 & 3.3 & See Fig. \ref{Fig:harp2}\\ WL 17 & 0.6 & 0.45 & -- &-- & See Fig. \ref{Fig:harp3}\\ Elias 29 & 4.5$^b$ & 2$^b$ & 10.4$^e$ & 4.3$^e$ & See Fig. \ref{Fig:harp3}, WL17 map and Figs. \ref{Fig:scuba1} and \ref{Fig:sharc1}\\ GY 224 & -- &$<$0.27$^b$& -- & -- & See Fig. \ref{Fig:scuba1}\\ WL19 & -- & $<$ 0.1 & 6.3 & 4.5 & See Fig. \ref{Fig:harp3}\\ WL 20S & --&$<$0.26$^b$& 5.0$^c$ &2.3$^c$& See Fig. \ref{Fig:sharc1}\\ IRS 37 & 3.7 & 2.5 & 9.55 & 5.7 & See Fig. \ref{Fig:harp2}\\ WL 3 & 3.7 & 2.2 & 8.8 & 6.3 & See Fig. \ref{Fig:harp2}, IRS 37 map\\ IRS 42 & 0.45& 0.7* & 4.0 &1.2*& See Fig. \ref{Fig:harp3}\\ WL 6 & 0.92& 0.6 & 5.25 & 4.5*& See Figs. \ref{Fig:scuba1} and \ref{Fig:sharc1}\\ GY 256 & 0.75& 0.45* & 5.4 & 4.5*& See Figs. \ref{Fig:scuba1} and \ref{Fig:sharc1}, WL6 maps\\ IRS 43 & 4.5$^d$ & 1.6$^d$ & 6.5$^c$ &3.2$^c$ & See Figs. \ref{Fig:harp1}, \ref{Fig:scuba1} and \ref{Fig:sharc1}\\ IRS 44 & 3.4$^d$& 0.5$^d$ & 5.8 & 2.8 & See Fig. \ref{Fig:harp2}\\ Elias 32 & 5.6 & 4.3 & 3.1$^c$ &4.5$^c$& See Figs. \ref{Fig:harp1} and \ref{Fig:sharc1}, Elias 33 maps\\ Elias 33 & 6.3 & 5.7 & 6.0$^c$ &3.0$^c$ &See Figs. \ref{Fig:harp1} and \ref{Fig:sharc1}\\ IRS 48 & -- & $<$0.09 & 2.6 & 2.3 & See Fig. \ref{Fig:harp3}\\ GY 312 & -- & $<$0.1 & -- & -- & See Fig. \ref{Fig:harp4} \\ IRS 51 & 0.75& 0.75 & 2.0 &2.8*& See Figs. \ref{Fig:harp3} and \ref{Fig:sharc1}\\ C2D-162741.6 & -- & $<$0.1 & --& -- & See Fig. \ref{Fig:harp4}\\ C2D-162748.1 & -- & $<$0.34$^b$& -- & -- & See Fig. \ref{Fig:scuba1}\\ IRS 54 & 0.53& 0.45 & 3.4 & 3.3 & See Fig. \ref{Fig:harp2}\\ IRAS 16285-2355 & 2.1 & 3.0 & 2.3 & 3.0 & See Fig. \ref{Fig:harp2}\\ C2D-162857.9 & --&$<$0.34$^b$& -- & -- & See Fig. \ref{Fig:scuba1}\\ IRS 63 & 0.75& 1.2 & 1.7 & 3.3 & See Fig. \ref{Fig:harp3}\\ \hline \multicolumn{6}{c}{\textbf{Disks}} \\ Haro 1-4 & -- &$<$0.29$^b$ & -- & -- & See Fig. \ref{Fig:scuba1}\\ DoAR 25 & -- &$<$0.28$^b$ & -- & -- & See Fig. \ref{Fig:scuba1}\\ OphE MM3 & 1.7 & 1.6* & 5.5 & 3.0*& See Fig. \ref{Fig:harp2}, LFAM 26 map\\ SR 21 & -- &$<$0.28$^b$ & -- & -- & See Fig. \ref{Fig:scuba1}\\ CRBR 2422.8-3423 & 1.9 & 1.4* & -- & -- & See Fig. \ref{Fig:harp1}, IRS 43 map, and Fig. \ref{Fig:harp3}, NW corner of IRS 42\\ IRS 46 & -- & $<$0.09 & 2.9 & 2.1 & See Fig. \ref{Fig:harp2}, IRS 44 map\\ SR 9 & -- &$<$0.24$^b$ & -- & -- & See Fig. \ref{Fig:scuba1}\\ 2Mass 16282 & -- &$<$0.35$^b$& -- & -- & See Figs. \ref{Fig:scuba1} and \ref{Fig:sharc1}\\ \hline \end{tabular}} \medskip $^a$ Intensities marked with a * do not peak at source position. \\ $^b$ APEX-2a receiver. Upper limits (2$\sigma$) in 0.4~km~s$^{-1}$~bin. \\ $^c$ JCMT RxB data. \\ $^d$ Outflowing gas detected (width $\sim$20~km~s$^{-1}$). \\ $^e$ C$^{18}$O data taken from \citet{Boogert02}, obtained with the CSO. \end{table}