Exposure of hairdressing apprentices to airborne hazardous substances

Table 3 Proportion of salons with no ventilation nor direct opening outside, by salon area.

	No ventilation	No door opening outside	No window opening outside
Customers space	32.8 (259)^a	4.4 (298)^a	53.2 (297)^a
Technical space	66.1 (218)^a	51.9 (262)^a	63.3 (253)^a

ISSN: 1476-069X