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Table 3 The levels of air nicotine in different building categories

From: Assessment of nicotine for second hand smoke exposure in some public places in Romania by UPLC-MS

Building category No. of buildings in the category Median concentration* (ng · L-1) Low (ng · L-1) High (ng · L-1)
High schools (corridor) 8 7.4 3 12
Universities (corridor) 5 23.0 17 35
Hospitals (waiting room) 6 15.7 8 27
Pubs (smoking) 32 591.1 144 988
Pubs (nonsmoking) 22 32.1 8 85
Restaurants (smoking) 23 509.3 169 897
Restaurants (nonsmoking) 11 19.5 4 65
  1. *mean of three days.