Designated “no smoking” areas provide from partial to no protection from environmental tobacco smoke

Table 3

Atmospheric PM10 in clubs for smoking and no-smoking areas, and per cent reduction in PM10 levels achieved by moving from the smoking to the no-smoking area, and from the smoking area to outdoors

Club number	Type of space	Smoking area PM10 (μg/m³)	No-smoking area PM10 (μg/m³)	Outdoor area PM10 (μg/m³)	% reduction in PM10 from smoking to non-smoking area	% reduction in PM10 from smoking to outdoor area
1	SR	409	83	93	80	77
2	SR	185	76	44	59	76
3	SR	187	117	48	37	74
4	SR	569	72	58	87	90
5	SR	223	99	61	56	73
6	SR	586	115	45	80	92
7	SR	430	179	48	58	89
8	SR	260	67	61	74	77
9	SR	790	179	126	77	84
10	SR	512	87	41	83	92
11	SR	569	337	64	41	89
12	SR	332	135	64	59	81
13	OS	458	439	73	4	84
14	OS	595	169	88	72	85
15	OS	646	904	47	−40	93
16	OS	798	141	39	82	95
17	OS	278	368	38	−32	86

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