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Electrochemical

Combustible

Photoionization

Carbon Dioxide Infrared

Refrigerants

Ammonia Acetylene Acetaldehyde Carbon Dioxide Refrigerants
Arsine Acetone Benzene    
Carbon Monoxide Butane Ethyl Alcohol    
Chlorine Ethane Isobutylene    
Chlorine Dioxide Ethanol Isopropyl Alcohol    
Ethylene Oxide Ethylene      
Flourine Ethlyene Oxide      
Formaldehyde Gasoline      
Hydrazine Heptane      
Hydrogen Hexane      
Hydrogen Chloride Hydrogen      
Hydrogen Cyanide Isopropyl Alcohol      
Hydrogen Flouride Methane      
Hydrogen Peroxide Methanol      
Hydrogen Sulfide Pentane      
Methanol Propane      
Nitric Oxide Propylene      
Nitrogen Dioxide Styrene      
Oxygen Vinyl Chloride      
Ozone        
Phosphine (PH3)        
Silane (SiH4)        
Sulfur Dioxide        
Tert-Butyl Mercaptan (TBM)        
VOC