“…In 2006, as part of a comprehensive health hazard evaluation, the National Institute for Occupational Safety and Health (NIOSH) tested air quality in three Las Vegas casinos that allow smoking 16. The resulting report found that a number of SHS components—including nicotine, RSPs, solanesol, benzene, naphthalene and formaldehyde—were present in the air of these casinos 16.…”