Table 1.

Levels of formaldehyde and hazard quotients of the various salons in the submetros.

	n	Maximum (µg/m3)	Minimum (µg/m3)	Mean (µg/m3)	Standard deviation (µg/m3)
Bantama	6	434	33	170.67	152.41
Tafo	6	200	105	156.33	42.43
Kwadaso	6	349	24	153.50	110.84
Manhyia	6	166	102	126.17	23.47
Suame	6	166	21	88.67	50.46
Oforikrom	6	327	81	133.67	95.62
Asawase	6	268	21	114.33	91.64
Subin	6	265	24	136.67	88.47
Asokwa	6	157	97	125.17	25.62
Nhyiaso	6	187	35	170.67	152.41