Retrieved April 2, 2014
CO: Carbon Monoxide, NOx: Nitrous oxides, SO2: Sulfur dioxide, NH3: Ammonia, HCN: Hydrogen cyanide, OCS: Carbonyl sulfide, CH2O: Formaldehyde, CH3CHO: Acetaldehyde, Bz: Benzene, Xyl: Xylene, Tol: Toluene, PAH: Polycyclic Aromatic Hydrocarbons, BaP: Benzo[a]pyrene, 1,3But: 1,3 Butadiene, Isop: Isoprene

Per their website, "Any guest who smokes inside staterooms or on verandahs in violation of our policy will be charged a US$250 cleaning fee per day of violation and will risk being removed from the ship for repeated violations." MSC Cruises MSC's website states the following in regard to their smoking policy onboard their ships: "In line with global standards, smoking areas on board are fewer than non-smoking areas and are indicated by signage and ashtrays." "Smoking (including e-cigarettes) is not permitted in cabins, on cabin balconies, and anywhere not expressly indicated by signage and ashtrays." Should you be found smoking in a non-designated area, MSC has the right to charge a fee to your onboard account
Here is the complete breakdown Regular cigarettes at 70 mm are the oldest format & are less common in contemporary markets where filtered cigarettes dominate