**Table 6:** Ionised boundary layer pressures, internal pressures and densities of clouds observed in molecular line wavelengths. A dash indicates non-detection in the NVSS.
SFO Object	IBL pressure		Internal Pressure	Internal Molecular Density
	(10⁵ cm^-3 K)		(10⁵ cm^-3 K)	$(10^3 ~\rm cm^{-3})$
4^a	61.8		8.2	50.0
5^b	35.8		32.3	11.0
11^c	82.0		25.0	2.5
13^d	20.0		16.3	2.0
16^d	-		0.3	2.0
18^d	-		7.8	16.6
20^e	-		6.9	20.0
25^d	20.8		12.5	7.4
37^f	35.1		1.5	3.0

^a Jansen et al. (1994); ^bLefloch et al. (1997); ^cThompson et al. (2004a);
^dDe Vries et al. (2002); ^eCernicharo et al. (1992); ^fDuvert et al. (1990)

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