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Table 2 Correlation between SHS expressed as nicotine in inhaled air for 8 h and nicotine and cotinine level in urine

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

  Barman in a Pub where smoking was allowed Janitor in a hospital Laboratory technician
Nicotine in air (ng · L-1) 778 12 <LOQ
Cotinine in urine (ng · mL-1) 2241 34 <LOQ
Nicotine in urine (ng · mL-1) 373 5.7 <LOQ