Table 4: Ultracompact radio components in the survey fields with undetected sub-mm emission to a level of 3 $\sigma$ . The radio sources are indicated by their SIMBAD identifier; [WC89] for the WC89a survey; [KCW94] for the KCW94 survey, [GPSR5] for the Becker et al. (1994) 5GHz Galactic Plane survey; [GPSR] for the Becker et al. (1990) and Zoonematkermani et al. (1990) 1.4 GHz Galactic Plane survey and [GBH05] for the work of Giveon et al. (2005). Upper limits to the clump mass have been calculated from the 850 $\mu$ m flux upper limit using the assumptions outlined in Sect. 4.1. An ellipsis is given for those radio components of unknown distance while for objects with distance ambiguities both near and far distances and clump masses are given.
UC H II field Known ultracompact radio components 850 $\mu$ m flux limit Distance Clump mass limit

(Jy/beam) (kpc) ( $M_{\odot}$ )

G5.48-0.24 [GBH05] 5.48464-0.23059 0.4 14.3 219

G6.55-0.10 [GBH05] 6.55647-0.09042 0.6 16.7 472

G8.67-0.36 [GBH05] 8.66530-0.34198 [GBH05] 8.66324-0.34337 0.9 4.6 53

[GBH05] 8.66202-0.34038 [GBH05] 8.66730-0.34437

G10.30-0.15 [WC89] 010.30-0.15A [GBH05] 10.30726-0.14585 0.6 6.0 65

[GBH05] 10.30485-0.14319 [GBH05] 10.32159-0.15542

[GBH05] 10.30605-0.14551 [GBH05] 10.30485-0.14319

G10.62-0.38 [GBH05] 10.59905-0.38336 [GBH05] 10.59905-0.38336 0.9 4.8 57

G110.21+2.63 [KCW94] 110.209+2.630 0.2 0.7 0.3

G13.19+0.04 [GBH05] 13.19014+0.04077 [GBH05] 13.18643+0.04999 0.4 4.4/12.1 21/161

[GBH05] 13.19014+0.04077

G13.87+0.28 [GBH05] 13.87696+0.28238 [GBH05] 13.87595+0.28479 0.6 4.5 35

G18.15-0.28 [GBH05] 18.15158-0.28016 [GBH05] 18.14744-0.29764 0.7 4.2 34

G19.07-0.27 [WC89] 019.07-0.27 [GBH05] 19.06392-0.27384 0.5 5.4 40

[GBH05] 19.06256-0.27062 [GBH05] 19.06732-0.28637

[GBH05] 19.07084-0.27694

G19.49+0.14 [GBH05] 19.48265+0.16098 [GBH05] 19.48660+0.15574 0.3 2.0/14.0 3/145

[GBH05] 19.48283+0.15668 [GBH05] 19.49724+0.13390

[GBH05] 19.48468+0.15613

G20.08-0.14 [GBH05] 20.07849-0.14609 0.2 12.3 71

G23.46-0.20 [WC89] 023.46-0.20A [GBH05] 23.43595-0.20366 0.4 9.0 82

[GBH05] 23.43821-0.20869 [GBH05] 23.43876-0.21157

[GBH05] 23.43876-0.21157 [GBH05] 23.44160-0.21151

[GBH05] 23.44160-0.21151

G24.68-0.16 [GBH05] 24.67878-0.15397 0.5 6.3/9.1 56/117

G26.10-0.07 [GBH05]26.09201-0.05675 0.4 ... ...

G25.72+0.05 [GBH05] 25.69526+0.03343 [GBH05] 25.69562+0.03499 0.2 14.0 120

G27.28+0.15 [GBH05] 27.28030+0.16537 [GBH05] 27.27497+0.15800 0.5 15.2 338

[GBH05] 27.27070+0.14850 [GBH05] 27.27809+0.14873

[GBH05] 27.28271+0.16406 [GBH05] 27.27569+0.14696

G27.49+0.19 [GBH05] 27.49356+0.19212 [GBH05] 27.49617+0.19389 0.4 2.5/12.6 7/168

[GBH05] 27.49556+0.19105

G28.60-0.36 [GBH05] 28.59890-0.36738 [GBH05] 28.60723-0.36382 0.3 5.2/9.7 22/75

[GBH05] 28.59173-0.36057 [GBH05] 28.60375-0.36693

[GBH05] 28.59560-0.36862

G28.80+0.17 [GBH05] 28.79740+0.17314 [GBH05] 28.80450+0.16777 0.5 6.4/8.5 62/109

G28.83-0.23 [GBH05] 28.82159-0.22657 [GBH05] 28.81780-0.22737 0.4 5.1/9.8 30/111

[GBH05] 28.81948-0.22485

G30.78-0.02 [GBH05] 30.78458-0.01577 0.8 5.5 70

G33.13-0.09 [GBH05] 33.14311-0.08555 0.2 7.1 34

G37.36-0.23 [GPSR5] 37.356-0.232 [GBH05]37.35747-0.23191 0.4 ... ...

G37.77-0.20 [GBH05] 37.76595-0.19983 [GBH05] 37.76913-0.20613 0.4 8.8 83

G39.25-0.06 [GBH05] 39.25972-0.05001 [GBH05] 39.24685-0.06521 0.4 11.4 160

[GBH05] 39.25972-0.05001

G41.52-0.04 [GPSR5] 41.525+0.039 GPSR5 41.507+0.030 0.2 ... ...

G41.71+0.11 [WC89] 041.71+0.11 0.2 ... ...

G42.42-0.27 [WC89] 042.42-0.27B 0.3 5.2 21

G42.90+0.57 [WC89] 042.90+0.57A [WC89] 042.90+0.57B 0.3 5.2 21

G44.26+0.10 [GPSR] 44.261+0.104 >0.1 ... ...

G188.77+1.07 [KCW94] 188.770+01.074 0.2 ... ...

**Table 4:** Ultracompact radio components in the survey fields with undetected sub-mm emission to a level of 3 $\sigma$ . The radio sources are indicated by their SIMBAD identifier; [WC89] for the WC89a survey; [KCW94] for the KCW94 survey, [GPSR5] for the Becker et al. (1994) 5GHz Galactic Plane survey; [GPSR] for the Becker et al. (1990) and Zoonematkermani et al. (1990) 1.4 GHz Galactic Plane survey and [GBH05] for the work of Giveon et al. (2005). Upper limits to the clump mass have been calculated from the 850 $\mu$ m flux upper limit using the assumptions outlined in Sect. 4.1. An ellipsis is given for those radio components of unknown distance while for objects with distance ambiguities both near and far distances and clump masses are given.
UC H II field	Known ultracompact radio components	850 $\mu$ m flux limit	Distance	Clump mass limit
			(Jy/beam)	(kpc)	( $M_{\odot}$ )
G5.48-0.24	[GBH05] 5.48464-0.23059		0.4	14.3	219
G6.55-0.10	[GBH05] 6.55647-0.09042		0.6	16.7	472
G8.67-0.36	[GBH05] 8.66530-0.34198	[GBH05] 8.66324-0.34337	0.9	4.6	53
	[GBH05] 8.66202-0.34038	[GBH05] 8.66730-0.34437
G10.30-0.15	[WC89] 010.30-0.15A	[GBH05] 10.30726-0.14585	0.6	6.0	65
	[GBH05] 10.30485-0.14319	[GBH05] 10.32159-0.15542
	[GBH05] 10.30605-0.14551	[GBH05] 10.30485-0.14319
G10.62-0.38	[GBH05] 10.59905-0.38336	[GBH05] 10.59905-0.38336	0.9	4.8	57
G110.21+2.63	[KCW94] 110.209+2.630		0.2	0.7	0.3
G13.19+0.04	[GBH05] 13.19014+0.04077	[GBH05] 13.18643+0.04999	0.4	4.4/12.1	21/161
	[GBH05] 13.19014+0.04077
G13.87+0.28	[GBH05] 13.87696+0.28238	[GBH05] 13.87595+0.28479	0.6	4.5	35
G18.15-0.28	[GBH05] 18.15158-0.28016	[GBH05] 18.14744-0.29764	0.7	4.2	34
G19.07-0.27	[WC89] 019.07-0.27	[GBH05] 19.06392-0.27384	0.5	5.4	40
	[GBH05] 19.06256-0.27062	[GBH05] 19.06732-0.28637
	[GBH05] 19.07084-0.27694
G19.49+0.14	[GBH05] 19.48265+0.16098	[GBH05] 19.48660+0.15574	0.3	2.0/14.0	3/145
	[GBH05] 19.48283+0.15668	[GBH05] 19.49724+0.13390
	[GBH05] 19.48468+0.15613
G20.08-0.14	[GBH05] 20.07849-0.14609		0.2	12.3	71
G23.46-0.20	[WC89] 023.46-0.20A	[GBH05] 23.43595-0.20366	0.4	9.0	82
	[GBH05] 23.43821-0.20869	[GBH05] 23.43876-0.21157
	[GBH05] 23.43876-0.21157	[GBH05] 23.44160-0.21151
	[GBH05] 23.44160-0.21151
G24.68-0.16	[GBH05] 24.67878-0.15397		0.5	6.3/9.1	56/117
G26.10-0.07	[GBH05]26.09201-0.05675		0.4	...	...
G25.72+0.05	[GBH05] 25.69526+0.03343	[GBH05] 25.69562+0.03499	0.2	14.0	120
G27.28+0.15	[GBH05] 27.28030+0.16537	[GBH05] 27.27497+0.15800	0.5	15.2	338
	[GBH05] 27.27070+0.14850	[GBH05] 27.27809+0.14873
	[GBH05] 27.28271+0.16406	[GBH05] 27.27569+0.14696
G27.49+0.19	[GBH05] 27.49356+0.19212	[GBH05] 27.49617+0.19389	0.4	2.5/12.6	7/168
	[GBH05] 27.49556+0.19105
G28.60-0.36	[GBH05] 28.59890-0.36738	[GBH05] 28.60723-0.36382	0.3	5.2/9.7	22/75
	[GBH05] 28.59173-0.36057	[GBH05] 28.60375-0.36693
	[GBH05] 28.59560-0.36862
G28.80+0.17	[GBH05] 28.79740+0.17314	[GBH05] 28.80450+0.16777	0.5	6.4/8.5	62/109
G28.83-0.23	[GBH05] 28.82159-0.22657	[GBH05] 28.81780-0.22737	0.4	5.1/9.8	30/111
	[GBH05] 28.81948-0.22485
G30.78-0.02	[GBH05] 30.78458-0.01577		0.8	5.5	70
G33.13-0.09	[GBH05] 33.14311-0.08555		0.2	7.1	34
G37.36-0.23	[GPSR5] 37.356-0.232	[GBH05]37.35747-0.23191	0.4	...	...
G37.77-0.20	[GBH05] 37.76595-0.19983	[GBH05] 37.76913-0.20613	0.4	8.8	83
G39.25-0.06	[GBH05] 39.25972-0.05001	[GBH05] 39.24685-0.06521	0.4	11.4	160
	[GBH05] 39.25972-0.05001
G41.52-0.04	[GPSR5] 41.525+0.039	GPSR5 41.507+0.030	0.2	...	...
G41.71+0.11	[WC89] 041.71+0.11		0.2	...	...
G42.42-0.27	[WC89] 042.42-0.27B		0.3	5.2	21
G42.90+0.57	[WC89] 042.90+0.57A	[WC89] 042.90+0.57B	0.3	5.2	21
G44.26+0.10	[GPSR] 44.261+0.104		>0.1	...	...
G188.77+1.07	[KCW94] 188.770+01.074		0.2	...	...

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