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Exposure to environmental tobacco smoke (ETS) has adverse health effects for both children and adults.1–3 Southern European countries have not had the same level of ETS control measures as other western countries. The purpose of this study was to assess current ETS exposure in several locations in Barcelona, Spain.
We collected airborne nicotine with 31 diffusion monitors containing sodium bisulfate coated filters.4,5 Between September 1999 and March 2000 different locations were chosen from among the following 18 sites in Barcelona: five underground (subway) stations (n = 5, one measurement in each station); two restaurants (n = 3, one of the restaurants, located in one of the two teaching hospitals referred to below, had measurements taken from smoking and non-smoking areas); two large stores (n = 4, two measurements in each store); two teaching hospitals (n = 4, two measurements from newborns inpatients and paediatrics outpatients departments from one hospital, and …