**Table 7:** Column densities (cm^-2) in 15-20'' beams.
Source	SO (10¹³)		SO₂	OCS	H₂S	H₂CS	NS	HCS⁺
	Narrow	Broad	10¹³	10¹³	10¹³	10¹²	10¹²	10¹¹
NGC 7538 IRS9	3	4	...	0.6	2	6	1	5
S140 IRS1	10	>6	7	<0.8	3	7	1	6
W3 IRS5	>27	>11	530^a	2	7	5	...	3
MonR2 IRS3	5	>5	15	...	3	4	<3	...
AFGL 2136	2	1	>3	...	2	4	<2	3
W33A	4	9	26	9	4	10	4	6
AFGL 2591	10	>7	52^b	1	3	6	2	5
NGC 7538 IRS1	12	9	11	2	5	15	2	11
NGC 6334 IRS1	40	...	46	24	60	30	20	84

$\textstyle \parbox{11.5cm}{ $^a$\space Better fit with two components: $N=1.0$\... ...r fit with two components: $N=1.6$\space and $5.5 \times 10^{14}$ ~cm$^{-2}$ .}$

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